Chicago, Illinois
Regional Weather Alerts
| Alert: | Flood Warning |
| Area(s): | Cook, IL; De Kalb, IL; Kane, IL; Kendall, IL; La Salle, IL; Lee, IL; Will, IL; Lake, IN; Porter, IN |
| Effective: | 2026-07-04 @ 11:01 pm -> 2026-07-05 @ 11:00 am |
| Onset: | 2026-07-04 @ 11:01 pm -> 2026-07-05 @ 11:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Immediate |
| Issued By: | NWS Chicago IL on 2026-07-04 @ 11:01 pm |
| Headline: | Flood Warning issued July 4 at 11:01PM CDT until July 5 at 11:00AM CDT by NWS Chicago IL |
| Description: |
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Portions of Illinois, including the following counties, Cook, De Kalb, Kane, Kendall, La Salle, Lee and Will and northwest Indiana, including the following counties, Lake IN and Porter. * WHEN...Until 1100 AM CDT Sunday. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. High water likely may recede slowly from flooded areas. * ADDITIONAL DETAILS... - At 1058 PM CDT, local law enforcement, emergency dispatch centers, and highway departments reported flooding across the area. While heavy rainfall has ended, some flooding will be slow to recede. Some streams may continue to rise over the next few hours. - Some locations that will experience flooding include... Chicago, Aurora, Joliet, Naperville, Hammond, Gary, Bolingbrook, Orland Park, Tinley Park, Oak Lawn, Romeoville, Plainfield, Calumet City, Portage, Merrillville, Valparaiso, Oswego, Chicago Heights, Chicago Lawn and Roseland. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Cook, IL; De Kalb, IL; DuPage, IL; Kane, IL |
| Effective: | 2026-07-04 @ 11:01 pm -> 2026-07-05 @ 11:00 am |
| Onset: | 2026-07-04 @ 11:01 pm -> 2026-07-05 @ 11:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Immediate |
| Issued By: | NWS Chicago IL on 2026-07-04 @ 11:01 pm |
| Headline: | Flood Warning issued July 4 at 11:01PM CDT until July 5 at 11:00AM CDT by NWS Chicago IL |
| Description: |
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Portions of north central and northeast Illinois, including the following counties, in north central Illinois, De Kalb. In northeast Illinois, Cook, DuPage and Kane. * WHEN...Until 1100 AM CDT Sunday. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. High water likely may recede slowly from flooded areas. * ADDITIONAL DETAILS... - At 1058 PM CDT, local law enforcement, emergency dispatch centers, and highway departments reported flooding continues across the area. While heavy rainfall has ended, some flooding will be slow to recede. Some streams may continue to rise over the next few hours. - Some locations that will experience flooding include... Chicago, Aurora, Naperville, Elgin, Cicero, Arlington Heights, Schaumburg, Palatine, Des Plaines, Berwyn, Mount Prospect, Wheaton, Hoffman Estates, Oak Park, Downers Grove, Elmhurst, Lombard, Bartlett, Ohare Airport and Streamwood. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Cook, IL; DuPage, IL; Kane, IL; Kendall, IL; Will, IL |
| Effective: | 2026-07-04 @ 11:01 pm -> 2026-07-05 @ 2:00 pm |
| Onset: | 2026-07-04 @ 11:01 pm -> 2026-07-05 @ 2:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Immediate |
| Issued By: | NWS Chicago IL on 2026-07-04 @ 11:01 pm |
| Headline: | Flood Warning issued July 4 at 11:01PM CDT until July 5 at 2:00PM CDT by NWS Chicago IL |
| Description: |
* WHAT...Significant flooding caused by excessive rainfall continues. * WHERE...A portion of northeast Illinois, including the following counties, Cook, DuPage, Kane, Kendall and Will. * WHEN...Until 200 PM CDT Sunday. * IMPACTS...Creeks and streams will rise out of their banks. Extensive street flooding is occurring. Flooding of structures and basements is possible. High water may be slow to recede from flooded areas. * ADDITIONAL DETAILS... - At 1058 PM CDT, local law enforcement, emergency dispatch departments, and highway departments reported widespread flooding across the area. Some significant flooding is ongoing with multiple roadways impassable and basements flooded. Up to 6 inches of rain fell due to earlier thunderstorms. Because heavy rainfall has ended, worsening of flood impacts is not expected over the next several hours. However, as water moves into rivers and streams, river levels will continue to rise. In addition, standing water in flooded areas will be slow to recede. - Some locations that will experience flooding include... Chicago, Aurora, Naperville, Schaumburg, Bolingbrook, Oak Lawn, Wheaton, Downers Grove, Bartlett, Streamwood, Carol Stream, Romeoville, Plainfield, Hanover Park, Glendale Heights, Woodridge, Oswego, Burbank, West Chicago and Batavia. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Brown, IL |
| Effective: | 2026-07-04 @ 10:44 pm -> 2026-07-06 @ 10:45 am |
| Onset: | 2026-07-04 @ 10:44 pm -> 2026-07-07 @ 1:00 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS St Louis MO on 2026-07-04 @ 10:44 pm |
| Headline: | Flood Warning issued July 4 at 10:44PM CDT until July 7 at 1:00PM CDT by NWS St Louis MO |
| Description: |
...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Grange LD. Illinois River at Valley City. 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 La Grange LD. * WHEN...Until Tuesday afternoon. * IMPACTS...At 24.0 feet, Extensive wetland acreage south of La Grange begins flooding. * ADDITIONAL DETAILS... - At 10:00 PM CDT Saturday the stage was 23.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 PM CDT Saturday was 24.0 feet. - Forecast...The river is expected to fall below flood stage Monday morning and continue falling to 21.5 feet Saturday, July 11. - Flood stage is 23.0 feet. |
| Alert: | Flood Warning |
| Area(s): | Morgan, IL; Pike, IL |
| Effective: | 2026-07-04 @ 10:44 pm -> 2026-07-06 @ 10:45 am |
| Onset: | 2026-07-04 @ 10:44 pm -> 2026-07-07 @ 1:00 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS St Louis MO on 2026-07-04 @ 10:44 pm |
| Headline: | Flood Warning issued July 4 at 10:44PM CDT until July 7 at 1:00PM CDT by NWS St Louis MO |
| Description: |
...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Grange LD. Illinois River at Valley City. 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 Meredosia. * WHEN...Until Tuesday afternoon. * IMPACTS...At 17.4 feet, Meredosia boat dock floods. * ADDITIONAL DETAILS... - At 10:30 PM CDT Saturday the stage was 17.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 PM CDT Saturday was 18.0 feet. - Forecast...The river is expected to rise to a crest of 17.6 feet just after midnight tonight. It will then fall below flood stage Monday morning. - Flood stage is 17.0 feet. |
| Alert: | Flood Warning |
| Area(s): | Pike, IL; Scott, IL |
| Effective: | 2026-07-04 @ 10:44 pm -> 2026-07-06 @ 10:45 am |
| Onset: | 2026-07-04 @ 10:44 pm -> 2026-07-09 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS St Louis MO on 2026-07-04 @ 10:44 pm |
| Headline: | Flood Warning issued July 4 at 10:44PM CDT until July 9 at 1:00AM CDT by NWS St Louis MO |
| Description: |
...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Grange LD. Illinois River at Valley City. 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 late Wednesday night. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 10:30 PM CDT Saturday the stage was 15.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 PM CDT Saturday was 15.8 feet. - Forecast...The river is expected to fall below flood stage Tuesday evening and continue falling to 13.0 feet Saturday, July 11. - Flood stage is 14.0 feet. |
| Alert: | Flood Warning |
| Area(s): | Will, IL |
| Effective: | 2026-07-04 @ 8:57 pm -> 2026-07-05 @ 3:00 pm |
| Onset: | 2026-07-04 @ 10:56 pm -> 2026-07-06 @ 11:18 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Chicago IL on 2026-07-04 @ 8:57 pm |
| Headline: | Flood Warning issued July 4 at 8:57PM CDT until July 6 at 11:18AM CDT by NWS Chicago IL |
| Description: |
...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois... Du Page River at Shorewood affecting Will County. For the Du Page River...including Shorewood...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Du Page River from IL-59 in Plainfield downstream to confluence with Des Plaines River, including the Shorewood gauge. * WHEN...Until late Monday morning. * IMPACTS...At 17.5 feet, Numerous sections of Rolf Road and Lily Cache Road west of Louis Joliet Mall are inundated. Lower portions of Electric Park in Plainfield are inundated. The west I-55 frontage road is threatened between Black Road and Jefferson Street. Parking lot threatened at Hammel Woods just north of Jefferson Street (US-52) in Shorewood. * ADDITIONAL DETAILS... - At 7:45 PM CDT Saturday the stage was 14.4 feet. - Forecast...The river is expected to rise above flood stage late this evening to a crest of 16.9 feet Sunday morning. It will then fall below flood stage early Monday morning. - Flood stage is 15.5 feet. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | DuPage, IL; Will, IL |
| Effective: | 2026-07-04 @ 8:51 pm -> 2026-07-05 @ 3:00 pm |
| Onset: | 2026-07-04 @ 8:51 pm -> 2026-07-05 @ 8:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Chicago IL on 2026-07-04 @ 8:51 pm |
| Headline: | Flood Warning issued July 4 at 8:51PM CDT until July 5 at 8:00PM CDT by NWS Chicago IL |
| Description: |
...The Flood Warning is extended for the following rivers in Illinois... East Branch Du Page River at Bolingbrook affecting Will and DuPage Counties. For the East Branch Du Page River...including Bolingbrook...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...East Branch Du Page River from Maple Avenue in Lisle downstream to confluence with West Branch DuPage River, including the Bolingbrook gauge. * WHEN...Until Sunday evening. * IMPACTS...At 22.0 feet, Low-lying trails of Trout Farm Park are inundated in Bolingbrook. * ADDITIONAL DETAILS... - At 8:40 PM CDT Saturday the stage was 21.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:40 PM CDT Saturday was 21.3 feet. - Forecast...The river is expected to rise to a crest of 21.5 feet just after midnight tonight. It will then fall below flood stage Sunday afternoon. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Bureau, IL; La Salle, IL; Putnam, IL |
| Effective: | 2026-07-04 @ 8:42 pm -> 2026-07-05 @ 2:45 pm |
| Onset: | 2026-07-04 @ 8:42 pm -> 2026-07-08 @ 1:00 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Chicago IL on 2026-07-04 @ 8:42 pm |
| Headline: | Flood Warning issued July 4 at 8:42PM CDT until July 8 at 1:00PM CDT by NWS Chicago IL |
| Description: |
...The Flood Warning is extended for the following rivers in Illinois... Illinois River at La Salle affecting La Salle, Putnam and Bureau Counties. For the Illinois River (Upper)...including La Salle...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River from Starved Rock Lock and Dam downstream to confluence with Big Bureau Creek, including the La Salle gauge. * WHEN...Until early Wednesday afternoon. * IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State Park is inundated east of La Salle. High water levels begin to impact shipping interests along the river. * ADDITIONAL DETAILS... - At 7:45 PM CDT Saturday the stage was 20.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Saturday was 20.7 feet. - Forecast...The river is expected to rise to a crest of 22.8 feet early Monday morning. It will then fall below flood stage Wednesday morning. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | La Salle, IL |
| Effective: | 2026-07-04 @ 8:33 pm -> 2026-07-05 @ 2:45 pm |
| Onset: | 2026-07-04 @ 8:33 pm -> 2026-07-07 @ 9:24 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Chicago IL on 2026-07-04 @ 8:33 pm |
| Headline: | Flood Warning issued July 4 at 8:33PM CDT until July 7 at 9:24AM CDT by NWS Chicago IL |
| Description: |
...Forecast flooding changed to Moderate severity and increased in duration for the following rivers in Illinois... Fox River at Dayton affecting La Salle County. For the Fox River (Illinois)...including Dayton...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Fox River from Millington downstream to confluence with the Illinois River, including the Dayton gauge. * WHEN...Until late Tuesday morning. * IMPACTS...At 14.5 feet, Low-lying agricultural land inundated near Norway. * ADDITIONAL DETAILS... - At 7:45 PM CDT Saturday the stage was 13.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Saturday was 13.0 feet. - Forecast...The river is expected to rise to a crest of 15.1 feet Sunday afternoon. It will then fall below flood stage early Tuesday morning. - Flood stage is 12.0 feet. - Flood History...This crest compares to a previous crest of 15.1 feet on 02/07/2019. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Will, IL |
| Effective: | 2026-07-04 @ 8:22 pm -> 2026-07-05 @ 2:30 pm |
| Onset: | 2026-07-04 @ 8:22 pm -> 2026-07-05 @ 9:24 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Chicago IL on 2026-07-04 @ 8:22 pm |
| Headline: | Flood Warning issued July 4 at 8:22PM CDT until July 5 at 9:24PM CDT by NWS Chicago IL |
| Description: |
...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois... Du Page River near Plainfield affecting Will County. Fox River at Montgomery affecting Kendall and Kane Counties. For the Du Page River...including Plainfield...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Du Page River from Confluence of east and west branches downstream to IL-59 in Plainfield, including the Plainfield gauge. * WHEN...From this evening to late Sunday evening. * IMPACTS...At 13.0 feet, Naperville Road is threatened at Marina Drive north of Plainfield. * ADDITIONAL DETAILS... - At 7:45 PM CDT Saturday the stage was 12.0 feet. - Recent Activity...The river has rapidly rose to flood stage. - Forecast...The river is expected to rise to a crest of 12.5 feet Sunday morning and then fall below flood stage Sunday evening. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Cook, IL |
| Effective: | 2026-07-04 @ 7:58 pm -> 2026-07-05 @ 2:00 pm |
| Onset: | 2026-07-04 @ 7:58 pm -> 2026-07-06 @ 8:12 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Chicago IL on 2026-07-04 @ 7:58 pm |
| Headline: | Flood Warning issued July 4 at 7:58PM CDT until July 6 at 8:12PM CDT by NWS Chicago IL |
| Description: |
...The Flood Warning is extended for the following rivers in Illinois... Thorn Creek at Thornton affecting Cook County. For the Thorn Creek...including Thornton...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...Until Monday evening. * IMPACTS...At 13.5 feet, Chicago Heights Glenwood Road threatened in Glenwood. Residential parking lots threatened along Margaret Street in Thornton. * ADDITIONAL DETAILS... - At 7:45 PM CDT Saturday the stage was 12.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Saturday was 12.7 feet. - Forecast...The river is expected to rise to a crest of 13.3 feet Sunday morning. It will then fall below flood stage early Monday afternoon. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Cook, IL; Lake, IN |
| Effective: | 2026-07-04 @ 7:50 pm -> 2026-07-05 @ 2:00 pm |
| Onset: | 2026-07-04 @ 7:50 pm -> 2026-07-05 @ 3:35 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Chicago IL on 2026-07-04 @ 7:50 pm |
| Headline: | Flood Warning issued July 4 at 7:50PM CDT until July 5 at 3:35PM CDT by NWS Chicago IL |
| Description: |
...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois...Indiana... Little Calumet River at Munster (Hohman Avenue) affecting Lake IN and Cook Counties. For the Little Calumet River...including Munster (Hohman Avenue)... Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Little Calumet River from IN-912 in Hammond downstream to confluence with Thorn Creek in South Holland, including the Munster (Hohman Avenue) gauge. * WHEN...From this evening to Sunday afternoon. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 7:00 PM CDT Saturday the stage was 12.2 feet. - Recent Activity...The river has rapidly rose above flood stage. - Forecast...The river is expected to rise to a crest of 12.9 feet just after midnight tonight. It is then expected to fall below flood stage late Sunday morning. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood |
| Alert: | Flood Warning |
| Area(s): | Cass, IL; Fulton, IL; Mason, IL |
| Effective: | 2026-07-04 @ 7:18 pm -> 2026-07-05 @ 11:30 am |
| Onset: | 2026-07-04 @ 7:18 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Lincoln IL on 2026-07-04 @ 7:18 pm |
| Headline: | Flood Warning issued July 4 at 7:18PM CDT by NWS Lincoln IL |
| Description: |
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Beardstown affecting Brown, Cass, Morgan and Schuyler Counties. Illinois River near Havana affecting Mason, Cass and Fulton Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 6:45 PM CDT Saturday the stage was 17.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:45 PM CDT Saturday was 17.6 feet. - Forecast...The river is expected to fall to 15.6 feet Saturday, July 11. - 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: | 2026-07-04 @ 7:18 pm -> 2026-07-05 @ 11:30 am |
| Onset: | 2026-07-04 @ 7:18 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Lincoln IL on 2026-07-04 @ 7:18 pm |
| Headline: | Flood Warning issued July 4 at 7:18PM CDT by NWS Lincoln IL |
| Description: |
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Beardstown affecting Brown, Cass, Morgan and Schuyler Counties. Illinois River near Havana affecting Mason, Cass and Fulton Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Moderate 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 6:45 PM CDT Saturday the stage was 18.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:45 PM CDT Saturday was 19.1 feet. - Forecast...The river is expected to fall to 16.5 feet Saturday, July 11. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood |