Chicago, Illinois

Regional Weather Alerts


     

Alert: Flood Warning
Area(s): Jackson, IL; Randolph, IL; Perry, MO; Ste. Genevieve, MO
Effective: 2026-04-29 @ 9:38 pm -> 2026-05-06 @ 11:48 am
Onset: 2026-04-29 @ 9:38 pm -> 2026-05-01 @ 9:45 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 9:38 pm
Headline: Flood Warning issued April 29 at 9:38PM CDT until May 6 at 11:48AM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...Missouri...

Mississippi River near Herculaneum.

Mississippi River at Mel Price LD.

Mississippi River at Chester.

Mississippi River at Grafton.

Mississippi River at Alton.

Mississippi River at St. Louis.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Mississippi River at Chester.

* WHEN...Until Wednesday morning.

* IMPACTS...At 33.5 feet, Water Street in Chester begins flooding.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Wednesday the stage was 28.9 feet and rising.
- Recent Activity...The river most recently rose above flood stage
on April 29.
- Forecast...The river is expected to rise to a crest of 33.5 feet
Saturday morning. It will then fall below flood stage early
Tuesday morning.
- Flood stage is 27.0 feet.

Alert: Flood Warning
Area(s): Monroe, IL; Jefferson, MO
Effective: 2026-04-29 @ 9:38 pm -> 2026-05-03 @ 10:36 pm
Onset: 2026-04-29 @ 9:38 pm -> 2026-05-01 @ 9:45 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 9:38 pm
Headline: Flood Warning issued April 29 at 9:38PM CDT until May 3 at 10:36PM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...Missouri...

Mississippi River near Herculaneum.

Mississippi River at Mel Price LD.

Mississippi River at Chester.

Mississippi River at Grafton.

Mississippi River at Alton.

Mississippi River at St. Louis.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River near Herculaneum.

* WHEN...Until Sunday evening.

* IMPACTS...At 28.3 feet, Near this height, the walking trail
(extension of Station Road) at Bates Memorial Park begins flooding.

* ADDITIONAL DETAILS...
- At 8:30 PM CDT Wednesday the stage was 25.7 feet and rising.
- Forecast...The river is expected to rise above flood stage just
after midnight tonight to a crest of 27.6 feet early Friday
morning. It will then fall below flood stage Saturday afternoon.
- Flood stage is 26.0 feet.

Alert: Flood Warning
Area(s): Madison, IL; St. Charles, MO
Effective: 2026-04-29 @ 9:38 pm -> 2026-05-04 @ 4:00 pm
Onset: 2026-04-29 @ 9:38 pm -> 2026-05-01 @ 9:45 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 9:38 pm
Headline: Flood Warning issued April 29 at 9:38PM CDT until May 4 at 4:00PM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...Missouri...

Mississippi River near Herculaneum.

Mississippi River at Mel Price LD.

Mississippi River at Chester.

Mississippi River at Grafton.

Mississippi River at Alton.

Mississippi River at St. Louis.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Mississippi River at Mel Price LD.

* WHEN...Until Monday afternoon.

* IMPACTS...At 24.0 feet, Alta Villa Road off of Highway 94 north of
West Alton is closed within a foot of this height.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Wednesday the stage was 23.4 feet and rising.
- Recent Activity...The river rose above flood stage on April 28.
- Forecast...The river is expected to rise to a crest of 24.0 feet
early tomorrow afternoon. It will then fall below flood stage
late Sunday morning.
- Flood stage is 21.0 feet.

Alert: Flood Warning
Area(s): St. Clair, IL; St. Louis, MO; St. Louis City, MO
Effective: 2026-04-29 @ 9:38 pm -> 2026-05-03 @ 5:00 am
Onset: 2026-04-30 @ 11:48 am -> 2026-05-01 @ 9:45 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 9:38 pm
Headline: Flood Warning issued April 29 at 9:38PM CDT until May 3 at 5:00AM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...Missouri...

Mississippi River near Herculaneum.

Mississippi River at Mel Price LD.

Mississippi River at Chester.

Mississippi River at Grafton.

Mississippi River at Alton.

Mississippi River at St. Louis.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River at St. Louis.

* WHEN...From Thursday morning to late Saturday night.

* IMPACTS...At 30.0 feet, Floodwall at Lacledes Landing is closed.
Also at this level, the U.S. Coast Guard may prohibit all
recreational vessel traffic from just above the Chain of Rocks
Canal south entry to just below the mouth of the Meramec River.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Wednesday the stage was 28.4 feet and rising.
- Forecast...The river is expected to rise above flood stage late
tomorrow morning to a crest of 30.4 feet early Friday morning. It
will then fall below flood stage late Friday evening.
- Flood stage is 30.0 feet.

Alert: Flood Warning
Area(s): Jersey, IL; St. Charles, MO
Effective: 2026-04-29 @ 9:38 pm -> 2026-05-04 @ 10:00 pm
Onset: 2026-04-29 @ 9:38 pm -> 2026-05-01 @ 9:45 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 9:38 pm
Headline: Flood Warning issued April 29 at 9:38PM CDT until May 4 at 10:00PM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...Missouri...

Mississippi River near Herculaneum.

Mississippi River at Mel Price LD.

Mississippi River at Chester.

Mississippi River at Grafton.

Mississippi River at Alton.

Mississippi River at St. Louis.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Mississippi River at Grafton.

* WHEN...Until Monday evening.

* IMPACTS...At 22.5 feet, East end of Main Street in Portage des
Sioux begins flooding near this height.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Wednesday the stage was 22.6 feet and nearing a
crest.
- Recent Activity...The river rose above flood stage on April 19.
- Forecast...The river is expected to rise to a crest of 22.7 feet
just after midnight tonight. It will then fall below flood stage
Sunday afternoon.
- Flood stage is 20.0 feet.

Alert: Flood Warning
Area(s): Madison, IL; St. Charles, MO
Effective: 2026-04-29 @ 9:38 pm -> 2026-05-02 @ 10:00 pm
Onset: 2026-04-30 @ 1:00 am -> 2026-05-01 @ 9:45 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 9:38 pm
Headline: Flood Warning issued April 29 at 9:38PM CDT until May 2 at 10:00PM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...Missouri...

Mississippi River near Herculaneum.

Mississippi River at Mel Price LD.

Mississippi River at Chester.

Mississippi River at Grafton.

Mississippi River at Alton.

Mississippi River at St. Louis.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River at Alton.

* WHEN...From late tonight to Saturday evening.

* IMPACTS...At 21.7 feet, At this level, Highway 94 and the east end
of Harbor Point Road off of Missouri Highway 94 north of West Alton
begin flooding. Also, the access road the Lincoln Shields
recreation area off of U.S. Highway 367 just west of the Clark
bridge begins flooding.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Wednesday the stage was 20.8 feet and rising.
- Forecast...The river is expected to rise above flood stage just
after midnight tonight to a crest of 21.4 feet early tomorrow
afternoon. It will then fall below flood stage Friday afternoon.
- Flood stage is 21.0 feet.

Alert: Flood Warning
Area(s): Crawford, IL; Lawrence, IL; Knox, IN; Sullivan, IN
Effective: 2026-04-29 @ 9:33 pm -> 2026-05-05 @ 1:00 pm
Onset: 2026-04-29 @ 9:33 pm -> 2026-04-30 @ 1:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Indianapolis IN on 2026-04-29 @ 9:33 pm
Headline: Flood Warning issued April 29 at 10:33PM EDT until May 5 at 2:00PM EDT by NWS Indianapolis IN
Description: ...The Flood Warning continues for the following rivers in Indiana...
Illinois...

Wabash River at Lafayette down to Covington...and at Hutsonville
Legacy Power Plant Site.

...The Flood Warning is extended for the following rivers in
Illinois...Indiana...

Wabash River at Montezuma down to Terre Haute...and at Riverton.

.Heavy rainfall since Monday afternoon totaling generally two to
four inches across western central Indiana...has produced minor
flooding along much of the Wabash River. Flooding will end at
Lafayette and Covington Thursday...with minor flooding continuing at
Terre Haute and points downriver into next week.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Wabash River at Riverton.

* WHEN...Until early Tuesday afternoon.

* IMPACTS...At 18.0 feet, Extensive lowland flooding is in
progress. High water surrounds many river cabins. Access to most
river cabins is by boat only. Levees begin to protect farmland.
Extensive flooding of Leaverton Park occurs in Palestine, Illinois.

* ADDITIONAL DETAILS...
- At 10:00 PM EDT Wednesday /9:00 PM CDT Wednesday/ the stage
was 15.9 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:00 PM EDT Wednesday /9:00 PM CDT Wednesday/ was
15.9 feet.
- Forecast...The river is expected to rise to a crest of 17.2
feet Sunday morning. It will then fall below flood stage
early Tuesday morning.
- Flood stage is 15.0 feet.
- http://www.weather.gov/safety/flood

Alert: Flood Warning
Area(s): Crawford, IL; Lawrence, IL; Knox, IN; Sullivan, IN
Effective: 2026-04-29 @ 9:33 pm -> 2026-05-05 @ 4:00 am
Onset: 2026-04-29 @ 9:33 pm -> 2026-04-30 @ 1:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Indianapolis IN on 2026-04-29 @ 9:33 pm
Headline: Flood Warning issued April 29 at 10:33PM EDT until May 5 at 5:00AM EDT by NWS Indianapolis IN
Description: ...The Flood Warning continues for the following rivers in Indiana...
Illinois...

Wabash River at Lafayette down to Covington...and at Hutsonville
Legacy Power Plant Site.

...The Flood Warning is extended for the following rivers in
Illinois...Indiana...

Wabash River at Montezuma down to Terre Haute...and at Riverton.

.Heavy rainfall since Monday afternoon totaling generally two to
four inches across western central Indiana...has produced minor
flooding along much of the Wabash River. Flooding will end at
Lafayette and Covington Thursday...with minor flooding continuing at
Terre Haute and points downriver into next week.

* WHAT...Minor flooding is forecast.

* WHERE...Wabash River at Hutsonville Legacy Power Plant Site.

* WHEN...Until early Tuesday morning.

* IMPACTS...At 18.0 feet, Seep water occurs behind levees on Indiana
side. Hutson Creek begins to overflow from backwater. Old Darwin
Road and a few rural roads in eastern Clark and Crawford counties
in Illinois are impassable. Low agricultural land floods.

* ADDITIONAL DETAILS...
- There is no current observed data.
- Forecast...The river is expected to rise to a crest of 18.4
feet early Saturday afternoon. It will then fall below flood
stage Monday afternoon.
- Flood stage is 16.0 feet.
- http://www.weather.gov/safety/flood

Alert: Flood Warning
Area(s): Clark, IL; Crawford, IL; Sullivan, IN; Vigo, IN
Effective: 2026-04-29 @ 9:33 pm -> 2026-05-03 @ 4:00 pm
Onset: 2026-04-29 @ 9:33 pm -> 2026-04-30 @ 1:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Indianapolis IN on 2026-04-29 @ 9:33 pm
Headline: Flood Warning issued April 29 at 10:33PM EDT until May 3 at 5:00PM EDT by NWS Indianapolis IN
Description: ...The Flood Warning continues for the following rivers in Indiana...
Illinois...

Wabash River at Lafayette down to Covington...and at Hutsonville
Legacy Power Plant Site.

...The Flood Warning is extended for the following rivers in
Illinois...Indiana...

Wabash River at Montezuma down to Terre Haute...and at Riverton.

.Heavy rainfall since Monday afternoon totaling generally two to
four inches across western central Indiana...has produced minor
flooding along much of the Wabash River. Flooding will end at
Lafayette and Covington Thursday...with minor flooding continuing at
Terre Haute and points downriver into next week.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Wabash River at Terre Haute.

* WHEN...Until Sunday afternoon.

* IMPACTS...At 18.5 feet, Lowest river cabins across from the Wabash
Generating Station begin to flood. Flooding of agricultural land
along U.S. 63 north of Terre Haute, west bank of river and in
southwest Vigo County occurs. County roads flood in southwest Vigo
County. The wetland projects between U.S. 40 and I-70 begin to
slowly fill.

* ADDITIONAL DETAILS...
- At 9:30 PM EDT Wednesday /8:30 PM CDT Wednesday/ the stage
was 17.7 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:30 PM EDT Wednesday /8:30 PM CDT Wednesday/ was
17.7 feet.
- Forecast...The river is expected to rise to a crest of 18.4
feet Friday morning. It will then fall below flood stage
early Sunday morning.
- Flood stage is 16.5 feet.
- http://www.weather.gov/safety/flood

Alert: Flood Warning
Area(s): Pike, IL; Ralls, MO
Effective: 2026-04-29 @ 9:28 pm -> 2026-05-02 @ 7:00 pm
Onset: 2026-04-29 @ 9:28 pm -> 2026-05-01 @ 9:30 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 9:28 pm
Headline: Flood Warning issued April 29 at 9:28PM CDT until May 2 at 7:00PM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...Missouri...

Mississippi River at Canton.

Mississippi River at Saverton.

Mississippi River at Winfield.

Mississippi River at Hannibal.

Mississippi River at Clarksville.

Mississippi River at Louisiana.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Mississippi River at Saverton.

* WHEN...Until Saturday evening.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Wednesday the stage was 18.1 feet and falling.
- Recent Activity...The river rose above flood stage on April 18.
It's most recent crest was near 18.7 feet on April 28.
- Forecast...The river is expected to fall below flood stage early
Friday afternoon and continue falling over the coming days.
- Flood stage is 16.0 feet.

Alert: Flood Warning
Area(s): Adams, IL; Lewis, MO
Effective: 2026-04-29 @ 9:28 pm -> 2026-05-01 @ 2:50 am
Onset: 2026-04-29 @ 9:28 pm -> 2026-05-01 @ 3:00 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 9:28 pm
Headline: Flood Warning issued April 29 at 9:28PM CDT until May 1 at 2:50AM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...Missouri...

Mississippi River at Canton.

Mississippi River at Saverton.

Mississippi River at Winfield.

Mississippi River at Hannibal.

Mississippi River at Clarksville.

Mississippi River at Louisiana.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is occurring.

* WHERE...Mississippi River at Canton.

* WHEN...Until late Thursday night.

* IMPACTS...At 14.0 feet, Both banks begin to overflow.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Wednesday the stage was 15.0 feet and falling.
- Recent Activity...The river rose above flood stage on April 18.
It crested near 16.0 feet on April 19.
- Forecast...The river is expected to fall below flood stage
tonight and continue falling over the coming days.
- Flood stage is 15.0 feet.

Alert: Flood Warning
Area(s): Pike, IL; Pike, MO
Effective: 2026-04-29 @ 9:28 pm -> 2026-05-04 @ 10:00 pm
Onset: 2026-04-29 @ 9:28 pm -> 2026-05-01 @ 9:30 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 9:28 pm
Headline: Flood Warning issued April 29 at 9:28PM CDT until May 4 at 10:00PM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...Missouri...

Mississippi River at Canton.

Mississippi River at Saverton.

Mississippi River at Winfield.

Mississippi River at Hannibal.

Mississippi River at Clarksville.

Mississippi River at Louisiana.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Mississippi River at Louisiana.

* WHEN...Until Monday evening.

* IMPACTS...At 19.6 feet, Maryland Street at 4th Street by the Town
Branch bridge begins flooding near this height.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Wednesday the stage was 18.4 feet and falling.
- Recent Activity...The river first rose above flood stage on April
9. It crested near 18.8 feet on April 28.
- Forecast...The river is expected to fall below flood stage Sunday
afternoon and continue falling over the coming days.
- Flood stage is 15.0 feet.

Alert: Flood Warning
Area(s): Pike, IL; Marion, MO
Effective: 2026-04-29 @ 9:28 pm -> 2026-05-03 @ 7:00 pm
Onset: 2026-04-29 @ 9:28 pm -> 2026-05-01 @ 9:30 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 9:28 pm
Headline: Flood Warning issued April 29 at 9:28PM CDT until May 3 at 7:00PM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...Missouri...

Mississippi River at Canton.

Mississippi River at Saverton.

Mississippi River at Winfield.

Mississippi River at Hannibal.

Mississippi River at Clarksville.

Mississippi River at Louisiana.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Mississippi River at Hannibal.

* WHEN...Until Sunday evening.

* IMPACTS...At 19.0 feet, The Corps of Engineers begins flood fight
procedures. At this level, preparations are made to install two
flood gates at Hill Street and Center Street if the forecast
exceeds 20.5 feet.

* ADDITIONAL DETAILS...
- At 8:15 PM CDT Wednesday the stage was 19.3 feet and falling.
- Recent Activity...The river first rose above flood stage on April
13. It crested near 20.0 feet on April 28.
- Forecast...The river is expected to fall below flood stage early
Saturday afternoon and continue falling over the following days.
- Flood stage is 17.0 feet.

Alert: Flood Warning
Area(s): Calhoun, IL; Pike, MO
Effective: 2026-04-29 @ 9:28 pm -> 2026-05-04 @ 3:00 pm
Onset: 2026-04-29 @ 9:28 pm -> 2026-05-01 @ 9:30 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 9:28 pm
Headline: Flood Warning issued April 29 at 9:28PM CDT until May 4 at 3:00PM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...Missouri...

Mississippi River at Canton.

Mississippi River at Saverton.

Mississippi River at Winfield.

Mississippi River at Hannibal.

Mississippi River at Clarksville.

Mississippi River at Louisiana.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Mississippi River at Clarksville.

* WHEN...Until Monday afternoon.

* IMPACTS...At 29.0 feet, Water enters the parking lot entrance at
the Clarksville Riverfront Park.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Wednesday the stage was 28.8 feet and falling.
- Recent Activity...The river first rose above flood stage on April
9. It crested near 29.1 feet on April 28.
- Forecast...The river is expected to fall below flood stage late
Sunday morning and continue falling to 22.3 feet Wednesday, May
06.
- Flood stage is 25.0 feet.

Alert: Flood Warning
Area(s): Calhoun, IL; Lincoln, MO
Effective: 2026-04-29 @ 9:28 pm -> 2026-05-04 @ 4:00 pm
Onset: 2026-04-29 @ 9:28 pm -> 2026-05-01 @ 9:30 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 9:28 pm
Headline: Flood Warning issued April 29 at 9:28PM CDT until May 4 at 4:00PM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...Missouri...

Mississippi River at Canton.

Mississippi River at Saverton.

Mississippi River at Winfield.

Mississippi River at Hannibal.

Mississippi River at Clarksville.

Mississippi River at Louisiana.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Mississippi River at Winfield.

* WHEN...Until Monday afternoon.

* IMPACTS...At 29.5 feet, Highway B in eastern St. Charles County
floods near the Dardenne Creek bridge.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Wednesday the stage was 29.4 feet and falling.
- Recent Activity...The river first rose above flood stage on April
15. It crested near 29.6 feet on April 29.
- Forecast...The river is expected to fall below flood stage late
Sunday morning and continue falling over the following days.
- Flood stage is 26.0 feet.

Alert: Flood Warning
Area(s): Winnebago, IL; Rock, WI
Effective: 2026-04-29 @ 9:14 pm
Onset: 2026-04-29 @ 9:14 pm -> 2026-04-30 @ 9:15 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Milwaukee/Sullivan WI on 2026-04-29 @ 9:14 pm
Headline: Flood Warning issued April 29 at 9:14PM CDT by NWS Milwaukee/Sullivan WI
Description: ...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...

Rock River At Afton affecting Winnebago and Rock Counties.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Rock River at Afton.

* WHEN...Until further notice.

* IMPACTS...At 10.5 feet, Floodwaters affect Riverside Park on the
north side of Janesville and South River Road on the south side of
Janesville. Floodwaters affect low spots on South River Rd on the
south side of Janesville. Floodwaters affect a home on South
Christian Rd on the east side of the river in the Afton area.
There is extensive lowland and agricultural land flooding in the
Afton and Janesville areas.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Wednesday the stage was 10.4 feet.
- Bankfull stage is 8.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:00 PM CDT Wednesday was 10.4 feet.
- Forecast...The river is expected to fall to 9.0 feet
Wednesday, May 06.
- Flood stage is 9.0 feet.
- Flood History...This crest compares to a previous crest of
10.4 feet on 03/29/1952.
- http://www.weather.gov/safety/flood

Alert: Flood Warning
Area(s): Lake, IL; Kenosha, WI
Effective: 2026-04-29 @ 9:13 pm -> 2026-05-01 @ 7:00 pm
Onset: 2026-04-29 @ 9:13 pm -> 2026-04-30 @ 9:15 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Milwaukee/Sullivan WI on 2026-04-29 @ 9:13 pm
Headline: Flood Warning issued April 29 at 9:13PM CDT until May 1 at 7:00PM CDT by NWS Milwaukee/Sullivan WI
Description: ...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...

Fox River Lower Near New Munster affecting Lake and Kenosha
Counties.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Fox River Lower near New Munster.

* WHEN...Until Friday evening.

* IMPACTS...At 11.5 feet, Water is in the yards of some homes in the
Village of Salem Lakes and Town of Wheatland areas, including
Riverside Dr and Shorewood Dr. There are 3-4 inches of water over
77th Street in the Town of Wheatland.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Wednesday the stage was 11.4 feet.
- Bankfull stage is 10.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:00 PM CDT Wednesday was 11.9 feet.
- Forecast...The river is expected to fall below flood stage
early Friday afternoon and continue falling to 9.8 feet
Wednesday, May 06.
- Flood stage is 11.0 feet.
- Flood History...This crest compares to a previous crest of
11.5 feet on 06/05/2002.
- http://www.weather.gov/safety/flood

Alert: Flood Warning
Area(s): Des Moines, IA; Louisa, IA; Henderson, IL; Mercer, IL
Effective: 2026-04-29 @ 8:56 pm -> 2026-05-01 @ 1:00 am
Onset: 2026-04-29 @ 8:56 pm -> 2026-04-30 @ 9:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Quad Cities IA IL on 2026-04-29 @ 8:56 pm
Headline: Flood Warning issued April 29 at 8:56PM CDT until May 1 at 1:00AM CDT by NWS Quad Cities IA IL
Description: ...The Flood Warning continues for the following rivers in Iowa...
Illinois...

Mississippi River at Keithsburg affecting Henderson, Des Moines,
Louisa and Mercer Counties.

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River at Keithsburg.

* WHEN...Until tonight.

* IMPACTS...At 14.0 feet, water affects a campground along the river
at Keithsburg.

* ADDITIONAL DETAILS...
- At 8:30 PM CDT Wednesday the stage was 14.0 feet.
- Forecast...The river is expected to slowly fall to below
flood stage by tonight.
- Flood stage is 14.0 feet.

Alert: Flood Warning
Area(s): Cass, IL; Fulton, IL; Mason, IL
Effective: 2026-04-29 @ 8:51 pm
Onset: 2026-04-29 @ 8:51 pm -> 2026-04-30 @ 1:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Lincoln IL on 2026-04-29 @ 8:51 pm
Headline: Flood Warning issued April 29 at 8:51PM CDT by NWS Lincoln IL
Description: ...The Flood Warning continues for the following rivers in
Illinois...

Illinois River near Havana affecting Mason, Cass and Fulton
Counties.

Illinois River at Beardstown affecting Morgan, Brown, Cass and
Schuyler Counties.

.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Illinois River near Havana.

* WHEN...Until further notice.

* ADDITIONAL DETAILS...
- At 7:45 PM CDT Wednesday the stage was 16.4 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 7:45 PM CDT Wednesday was 16.4 feet.
- Forecast...The river is expected to fall to 15.6 feet
Wednesday, May 06.
- Flood stage is 14.0 feet.
- http://www.weather.gov/safety/flood

Alert: Flood Warning
Area(s): Brown, IL; Cass, IL; Morgan, IL; Schuyler, IL
Effective: 2026-04-29 @ 8:51 pm
Onset: 2026-04-29 @ 8:51 pm -> 2026-04-30 @ 1:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Lincoln IL on 2026-04-29 @ 8:51 pm
Headline: Flood Warning issued April 29 at 8:51PM CDT by NWS Lincoln IL
Description: ...The Flood Warning continues for the following rivers in
Illinois...

Illinois River near Havana affecting Mason, Cass and Fulton
Counties.

Illinois River at Beardstown affecting Morgan, Brown, Cass and
Schuyler Counties.

.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.

* WHAT...Minor flooding is occurring and moderate flooding is
forecast.

* WHERE...Illinois River at Beardstown.

* WHEN...Until further notice.

* IMPACTS...At 18.0 feet, Seepage problems begin in the Lost Creek
Drainage and Levee District.

* ADDITIONAL DETAILS...
- At 7:45 PM CDT Wednesday the stage was 17.6 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 7:45 PM CDT Wednesday was 17.6 feet.
- Forecast...The river is expected to rise to a crest of 18.2
feet early Friday afternoon.
- Flood stage is 14.0 feet.
- http://www.weather.gov/safety/flood

Alert: Flood Warning
Area(s): Des Moines, IA; Lee, IA; Hancock, IL; Henderson, IL
Effective: 2026-04-29 @ 8:50 pm -> 2026-05-03 @ 1:00 pm
Onset: 2026-04-29 @ 8:50 pm -> 2026-04-30 @ 9:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Quad Cities IA IL on 2026-04-29 @ 8:50 pm
Headline: Flood Warning issued April 29 at 8:50PM CDT until May 3 at 1:00PM CDT by NWS Quad Cities IA IL
Description: ...The Flood Warning continues for the following rivers in
Missouri...Illinois...Iowa...

Mississippi River at Gregory Landing affecting Hancock and Clark
Counties.

Mississippi River at Burlington affecting Lee, Des Moines,
Hancock and Henderson Counties.

Mississippi River at Gladstone LD18 affecting Henderson and Des
Moines Counties.

Rock River at Moline affecting Rock Island and Henry IL Counties.

Rock River near Joslin affecting Whiteside, Rock Island and Henry
IL Counties.

* WHAT...Minor flooding is occurring.

* WHERE...Mississippi River at Burlington.

* WHEN...Until Saturday evening.

* IMPACTS...At 16.0 feet, water affects low lying buildings and
homes in Montrose and Niota.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Wednesday the stage was 16.2 feet.
- Forecast...The river is expected to slowly fall to below
flood stage Saturday evening.
- Flood stage is 15.0 feet.

Alert: Flood Warning
Area(s): Des Moines, IA; Henderson, IL
Effective: 2026-04-29 @ 8:50 pm -> 2026-05-03 @ 7:00 am
Onset: 2026-04-29 @ 8:50 pm -> 2026-04-30 @ 9:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Quad Cities IA IL on 2026-04-29 @ 8:50 pm
Headline: Flood Warning issued April 29 at 8:50PM CDT until May 3 at 7:00AM CDT by NWS Quad Cities IA IL
Description: ...The Flood Warning continues for the following rivers in
Missouri...Illinois...Iowa...

Mississippi River at Gregory Landing affecting Hancock and Clark
Counties.

Mississippi River at Burlington affecting Lee, Des Moines,
Hancock and Henderson Counties.

Mississippi River at Gladstone LD18 affecting Henderson and Des
Moines Counties.

Rock River at Moline affecting Rock Island and Henry IL Counties.

Rock River near Joslin affecting Whiteside, Rock Island and Henry
IL Counties.

* WHAT...Minor flooding is occurring.

* WHERE...Mississippi River at Gladstone LD18.

* WHEN...Until Saturday afternoon.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Wednesday the stage was 11.2 feet.
- Forecast...The river is expected to slowly fall to below
flood stage Saturday afternoon.
- Flood stage is 10.0 feet.

Alert: Flood Warning
Area(s): Henry, IL; Rock Island, IL; Whiteside, IL
Effective: 2026-04-29 @ 8:50 pm -> 2026-05-02 @ 3:00 pm
Onset: 2026-04-29 @ 8:50 pm -> 2026-04-30 @ 9:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Quad Cities IA IL on 2026-04-29 @ 8:50 pm
Headline: Flood Warning issued April 29 at 8:50PM CDT until May 2 at 3:00PM CDT by NWS Quad Cities IA IL
Description: ...The Flood Warning continues for the following rivers in
Missouri...Illinois...Iowa...

Mississippi River at Gregory Landing affecting Hancock and Clark
Counties.

Mississippi River at Burlington affecting Lee, Des Moines,
Hancock and Henderson Counties.

Mississippi River at Gladstone LD18 affecting Henderson and Des
Moines Counties.

Rock River at Moline affecting Rock Island and Henry IL Counties.

Rock River near Joslin affecting Whiteside, Rock Island and Henry
IL Counties.

* WHAT...Minor flooding is occurring.

* WHERE...Rock River near Joslin.

* WHEN...Until Saturday morning.

* IMPACTS...At 12.5 feet, water affects some summer cottages along
the river.

* ADDITIONAL DETAILS...
- At 7:45 PM CDT Wednesday the stage was 12.8 feet.
- Forecast...The river is expected to slowly fall to below
flood stage Saturday morning.
- Flood stage is 12.0 feet.

Alert: Flood Warning
Area(s): Hancock, IL; Clark, MO
Effective: 2026-04-29 @ 8:50 pm -> 2026-04-30 @ 7:00 pm
Onset: 2026-04-29 @ 8:50 pm -> 2026-04-30 @ 7:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Quad Cities IA IL on 2026-04-29 @ 8:50 pm
Headline: Flood Warning issued April 29 at 8:50PM CDT until April 30 at 7:00PM CDT by NWS Quad Cities IA IL
Description: ...The Flood Warning continues for the following rivers in
Missouri...Illinois...Iowa...

Mississippi River at Gregory Landing affecting Hancock and Clark
Counties.

Mississippi River at Burlington affecting Lee, Des Moines,
Hancock and Henderson Counties.

Mississippi River at Gladstone LD18 affecting Henderson and Des
Moines Counties.

Rock River at Moline affecting Rock Island and Henry IL Counties.

Rock River near Joslin affecting Whiteside, Rock Island and Henry
IL Counties.

* WHAT...Minor flooding is occurring.

* WHERE...Mississippi River at Gregory Landing.

* WHEN...Until tonight.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Wednesday the stage was 15.1 feet.
- Forecast...The river is expected to slowly fall to below
flood stage tonight.
- Flood stage is 15.0 feet.

Alert: Flood Warning
Area(s): Henry, IL; Rock Island, IL
Effective: 2026-04-29 @ 8:50 pm -> 2026-04-30 @ 3:00 pm
Onset: 2026-04-29 @ 8:50 pm -> 2026-04-30 @ 3:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Quad Cities IA IL on 2026-04-29 @ 8:50 pm
Headline: Flood Warning issued April 29 at 8:50PM CDT until April 30 at 3:00PM CDT by NWS Quad Cities IA IL
Description: ...The Flood Warning continues for the following rivers in
Missouri...Illinois...Iowa...

Mississippi River at Gregory Landing affecting Hancock and Clark
Counties.

Mississippi River at Burlington affecting Lee, Des Moines,
Hancock and Henderson Counties.

Mississippi River at Gladstone LD18 affecting Henderson and Des
Moines Counties.

Rock River at Moline affecting Rock Island and Henry IL Counties.

Rock River near Joslin affecting Whiteside, Rock Island and Henry
IL Counties.

* WHAT...Minor flooding is occurring.

* WHERE...Rock River at Moline.

* WHEN...Until tomorrow morning.

* IMPACTS...At 12.0 feet, Minor Flood Stage. Water affects
residences near the 27th Street bridge. Water is over portions of
60th St south of Green Valley Sports Complex and portions of 56th
Ave along the north side of the river.

* ADDITIONAL DETAILS...
- At 7:30 PM CDT Wednesday the stage was 12.1 feet.
- Forecast...The river is expected to slowly fall to below
flood stage tomorrow morning.
- Flood stage is 12.0 feet.

Alert: Flood Warning
Area(s): Fayette, IL
Effective: 2026-04-29 @ 8:43 pm -> 2026-05-02 @ 10:50 pm
Onset: 2026-04-29 @ 8:43 pm -> 2026-05-01 @ 8:45 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 8:43 pm
Headline: Flood Warning issued April 29 at 8:43PM CDT until May 2 at 10:50PM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...

Kaskaskia River at Vandalia.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Major flooding is occurring and major flooding is forecast.
This approaches the flood of record.

* WHERE...Kaskaskia River at Vandalia.

* WHEN...Until Saturday evening.

* IMPACTS...At 26.0 feet, The Dively and Vandalia Levees begin to be
overtopped.

* ADDITIONAL DETAILS...
- At 8:30 PM CDT Wednesday the stage was 26.4 feet and falling.
- Recent Activity...The river rose above flood stage on the evening
of April 27. It crested near 26.8 feet on April 29.
- Forecast...The river is expected to fall below flood stage Friday
afternoon and continue falling over the coming days.
- Flood stage is 18.0 feet.
- Flood History...This crest compares to a previous crest of 26.4
feet on 02/08/1999.

Alert: Flood Warning
Area(s): Pike, IL; Scott, IL
Effective: 2026-04-29 @ 8:40 pm
Onset: 2026-04-29 @ 8:40 pm -> 2026-05-01 @ 8:45 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 8:40 pm
Headline: Flood Warning issued April 29 at 8:40PM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...

Illinois River at Valley City.

Illinois River at Hardin.

Illinois River at Meredosia.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Illinois River at Valley City.

* WHEN...Until further notice.

* IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area
is flooded.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Wednesday the stage was 14.9 feet and rising.
- Recent Activity...The river rose above flood stage on the evening
of April 27.
- Forecast...The river is expected to rise to a crest of 15.4 feet
Saturday morning.
- Flood stage is 14.0 feet.

Alert: Flood Warning
Area(s): Calhoun, IL; Greene, IL; Jersey, IL
Effective: 2026-04-29 @ 8:40 pm
Onset: 2026-04-29 @ 8:40 pm -> 2026-05-01 @ 8:45 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 8:40 pm
Headline: Flood Warning issued April 29 at 8:40PM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...

Illinois River at Valley City.

Illinois River at Hardin.

Illinois River at Meredosia.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Illinois River at Hardin.

* WHEN...Until further notice.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Wednesday the stage was 28.3 feet and rising.
- Recent Activity...The river first rose above flood stage on April
18.
- Forecast...The river is expected to rise to a crest of 29.2 feet
Friday morning.
- Flood stage is 25.0 feet.

Alert: Flood Warning
Area(s): Morgan, IL; Pike, IL
Effective: 2026-04-29 @ 8:40 pm -> 2026-05-06 @ 7:00 pm
Onset: 2026-05-01 @ 1:00 pm -> 2026-05-01 @ 8:45 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS St Louis MO on 2026-04-29 @ 8:40 pm
Headline: Flood Warning issued April 29 at 8:40PM CDT until May 6 at 7:00PM CDT by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in
Illinois...

Illinois River at Valley City.

Illinois River at Hardin.

Illinois River at Meredosia.

River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.

* WHAT...Minor flooding is forecast.

* WHERE...Illinois River at Meredosia.

* WHEN...From Friday afternoon to Wednesday evening.

* IMPACTS...At 17.4 feet, Meredosia boat dock floods.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Wednesday the stage was 16.5 feet and rising.
- Forecast...The river is expected to rise above flood stage early
Friday afternoon to a crest of 17.1 feet Saturday evening. It
will then fall below flood stage early Tuesday afternoon.
- Flood stage is 17.0 feet.

Alert: Flood Warning
Area(s): Lawrence, IL
Effective: 2026-04-29 @ 8:24 pm -> 2026-05-03 @ 5:00 am
Onset: 2026-04-29 @ 8:24 pm -> 2026-04-30 @ 12:30 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Lincoln IL on 2026-04-29 @ 8:24 pm
Headline: Flood Warning issued April 29 at 8:24PM CDT until May 3 at 5:00AM CDT by NWS Lincoln IL
Description: ...The Flood Warning continues for the following rivers in
Illinois...

Embarras River at Lawrenceville affecting Lawrence County.

.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Embarras River at Lawrenceville.

* WHEN...Until early Sunday morning.

* IMPACTS...At 33.0 feet, Kelly's Lake Lane, 1160N, is inundated.

* ADDITIONAL DETAILS...
- At 7:45 PM CDT Wednesday the stage was 31.3 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 7:45 PM CDT Wednesday was 31.3 feet.
- Forecast...The river is expected to rise to a crest of 31.9
feet early tomorrow afternoon. It will then fall below flood
stage late Saturday evening.
- Flood stage is 30.0 feet.
- http://www.weather.gov/safety/flood

Alert: Flood Warning
Area(s): Clay, IL; Richland, IL
Effective: 2026-04-29 @ 8:21 pm -> 2026-05-04 @ 10:49 am
Onset: 2026-04-29 @ 8:21 pm -> 2026-04-30 @ 12:30 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Lincoln IL on 2026-04-29 @ 8:21 pm
Headline: Flood Warning issued April 29 at 8:21PM CDT until May 4 at 10:49AM CDT by NWS Lincoln IL
Description: ...The Flood Warning continues for the following rivers in
Illinois...

Little Wabash River below Clay City affecting Richland and Clay
Counties.

.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Little Wabash River below Clay City.

* WHEN...Until late Monday morning.

* IMPACTS...At 22.0 feet, North Clay Road...1 mile east of the gage
is flooded.

* ADDITIONAL DETAILS...
- At 7:45 PM CDT Wednesday the stage was 20.9 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 7:45 PM CDT Wednesday was 20.9 feet.
- Forecast...The river is expected to rise to a crest of 21.2
feet tomorrow evening. It will then fall below flood stage
early Monday morning.
- Flood stage is 18.0 feet.
- http://www.weather.gov/safety/flood

Alert: Flood Warning
Area(s): Kane, IL; Lake, IL; McHenry, IL
Effective: 2026-04-29 @ 8:19 pm
Onset: 2026-04-29 @ 8:19 pm -> 2026-04-30 @ 2:30 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Chicago IL on 2026-04-29 @ 8:19 pm
Headline: Flood Warning issued April 29 at 8:19PM CDT by NWS Chicago IL
Description: ...The Flood Warning continues for the following rivers in
Illinois...

Fox River at Algonquin Lock & Dam tailwater affecting Kane,
McHenry and Lake IL Counties.

* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.

* WHERE...Fox River from Johnsburg downstream to Red Gate Road in
St. Charles, including the Algonquin Lock & Dam tailwater gauge.

* WHEN...Until further notice.

* IMPACTS...At 11.5 feet, Residences threatened along Oceola Drive
in Algonquin. A few residences threatened along McBridge Street in
Elgin. Jayne Street and Beach Drive threatened in Algonquin. River
Street threatened in East Dundee. Jerusha Avenue threatened in
Elgin. Fox River Trail threatened between East Dundee and Elgin.

* ADDITIONAL DETAILS...
- At 7:30 PM CDT Wednesday the stage was 11.3 feet.
- Forecast...The river is expected to continue a gradual slow
fall.
- Flood stage is 9.5 feet.
- http://www.weather.gov/safety/flood

Alert: Flood Warning
Area(s): Lake, IL; McHenry, IL
Effective: 2026-04-29 @ 4:36 pm -> 2026-05-03 @ 7:00 am
Onset: 2026-04-29 @ 4:36 pm -> 2026-05-03 @ 7:00 am
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS Chicago IL on 2026-04-29 @ 4:36 pm
Headline: Flood Warning issued April 29 at 4:36PM CDT until May 3 at 7:00AM CDT by NWS Chicago IL
Description: * WHAT...Flooding caused by excessive rainfall continues.

* WHERE...A portion of northeast Illinois, including the following
counties, Lake IL and McHenry.

* WHEN...Until Sunday.

* IMPACTS...Multiple roads, yards, and areas of park land are
flooding along the Fox River Chain of Lakes. Flooding is expected
to continue until this weekend.

* ADDITIONAL DETAILS...
- At 431 PM CDT, River gauges along the Fox River Chain of
Lakes indicated that water levels continue to slowly fall.
- The latest forecast from the Illinois Department of Natural
Resources indicates that water levels should fall to near
flood stage by this weekend.
- Some locations that will experience flooding include areas
along the Fox River Chain of Lakes, including Nippersink
Lake, Fox Lake, Pistakee Lake, Petite Lake, Lake Marie,
Channel Lake, and Lake Catherine.
- http://www.weather.gov/safety/flood

Alert: Flood Warning
Area(s): Alexander, IL; Jackson, IL; Union, IL; Cape Girardeau, MO; Perry, MO; Scott, MO
Effective: 2026-04-29 @ 12:20 pm -> 2026-05-06 @ 11:17 am
Onset: 2026-04-30 @ 5:48 am -> 2026-04-30 @ 2:30 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Paducah KY on 2026-04-29 @ 12:20 pm
Headline: Flood Warning issued April 29 at 12:20PM CDT until May 6 at 11:17AM CDT by NWS Paducah KY
Description: ...The Flood Warning continues for the following rivers in
Missouri...Illinois...

Mississippi River at Cape Girardeau affecting Alexander, Cape
Girardeau, Scott, Union, Jackson and Perry Counties.

Mississippi River at Thebes affecting Alexander and Scott
Counties.

For the Mississippi River...including Cape Girardeau, Thebes,
Hickman, New Madrid...Minor flooding is forecast.

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River at Cape Girardeau.

* WHEN...From late tonight to Wednesday, May 06.

* IMPACTS...At 36.0 feet, The flood gate on Themis Street closes.

* ADDITIONAL DETAILS...
- At 12:00 PM CDT Wednesday the stage was 30.6 feet.
- Forecast...The river is expected to rise above flood stage
late tonight to a crest of 36.5 feet Sunday morning. It will
then fall below flood stage Wednesday, May 06.
- Flood stage is 32.0 feet.
- http://www.weather.gov/safety/flood

Alert: Flood Warning
Area(s): Alexander, IL; Scott, MO
Effective: 2026-04-29 @ 12:20 pm -> 2026-05-06 @ 1:00 am
Onset: 2026-05-01 @ 9:24 am -> 2026-04-30 @ 2:30 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Paducah KY on 2026-04-29 @ 12:20 pm
Headline: Flood Warning issued April 29 at 12:20PM CDT until May 6 at 1:00AM CDT by NWS Paducah KY
Description: ...The Flood Warning continues for the following rivers in
Missouri...Illinois...

Mississippi River at Cape Girardeau affecting Alexander, Cape
Girardeau, Scott, Union, Jackson and Perry Counties.

Mississippi River at Thebes affecting Alexander and Scott
Counties.

For the Mississippi River...including Cape Girardeau, Thebes,
Hickman, New Madrid...Minor flooding is forecast.

* WHAT...Minor flooding is forecast.

* WHERE...Mississippi River at Thebes.

* WHEN...From Friday morning to Wednesday, May 06.

* IMPACTS...At 34.0 feet, The town of Thebes begins to flood.

* ADDITIONAL DETAILS...
- At 12:00 PM CDT Wednesday the stage was 29.5 feet.
- Forecast...The river is expected to rise above flood stage
late Friday morning to a crest of 35.8 feet early Sunday
afternoon. It will then fall below flood stage Tuesday
evening.
- Flood stage is 33.0 feet.
- http://www.weather.gov/safety/flood

Alert: Flood Warning
Area(s): Gallatin, IL; Wabash, IL; White, IL; Gibson, IN; Posey, IN
Effective: 2026-04-29 @ 10:44 am -> 2026-05-07 @ 1:00 pm
Onset: 2026-05-01 @ 7:00 pm -> 2026-04-30 @ 12:45 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Paducah KY on 2026-04-29 @ 10:44 am
Headline: Flood Warning issued April 29 at 10:44AM CDT until May 7 at 1:00PM CDT by NWS Paducah KY
Description: ...The Flood Warning continues for the following rivers in Indiana...
Illinois...

Wabash River at New Harmony affecting Wabash, Gibson, Gallatin,
White and Posey Counties.

For the Wabash River...including New Harmony...Minor flooding is
forecast.

* WHAT...Minor flooding is forecast.

* WHERE...Wabash River at New Harmony.

* WHEN...From Friday evening to Thursday, May 07.

* IMPACTS...At 15.0 feet, The river overflows low ground on the
Illinois side.

* ADDITIONAL DETAILS...
- At 9:30 AM CDT Wednesday the stage was 10.1 feet.
- Forecast...The river is expected to rise above flood stage
Friday evening to a crest of 15.9 feet Monday evening. It
will then fall below flood stage Thursday, May 07.
- Flood stage is 15.0 feet.

Alert: Flood Warning
Area(s): Winnebago, IL
Effective: 2026-04-29 @ 8:48 am -> 2026-04-30 @ 1:00 am
Onset: 2026-04-29 @ 8:48 am -> 2026-04-30 @ 1:00 am
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Chicago IL on 2026-04-29 @ 8:48 am
Headline: Flood Warning issued April 29 at 8:48AM CDT until April 30 at 1:00AM CDT by NWS Chicago IL
Description: ...The Flood Warning continues for the following rivers in
Illinois...

Rock River at Latham Park affecting Winnebago County.

Rock River at Rockton affecting Winnebago County.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Rock River from Swanson Road in Roscoe downstream to
Shorewood Park in Loves Park, including the Latham Park gauge.

* WHEN...Until just after midnight tonight.

* IMPACTS...At 9.0 feet, Boathouses threatened along the river in
Machesney Park.

* ADDITIONAL DETAILS...
- At 8:30 AM CDT Wednesday the stage was 9.1 feet.
- Recent Activity...The river stage continues a gradual slow
fall.
- Forecast...The river is expected to fall below flood stage by
this evening.
- Flood stage is 9.0 feet.
- http://www.weather.gov/safety/flood