Pittsburgh, Pennsylvania

Regional Weather Alerts


     

Alert: Flash Flood Warning
Area(s): Chester, PA; Delaware, PA
Effective: 2026-07-09 @ 3:47 pm -> 2026-07-09 @ 6:45 pm
Onset: 2026-07-09 @ 3:47 pm -> 2026-07-09 @ 6:45 pm
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS Mount Holly NJ on 2026-07-09 @ 3:47 pm
Headline: Flash Flood Warning issued July 9 at 4:47PM EDT until July 9 at 7:45PM EDT by NWS Mount Holly NJ
Description: At 447 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between 1
and 3 inches of rain have fallen. The expected rainfall rate is 1 to
2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar and automated gauges.

IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.

Some locations that may experience flash flooding include...
West Chester, Westtown, Downingtown, Kennett Square, Oxford, West
Grove, Marshallton, Cochranville, Elam, Homeville, Concordville
and Cheyney.

Alert: Flash Flood Warning
Area(s): Berks, PA; Chester, PA; Montgomery, PA
Effective: 2026-07-09 @ 3:45 pm -> 2026-07-09 @ 6:30 pm
Onset: 2026-07-09 @ 3:45 pm -> 2026-07-09 @ 6:30 pm
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS Mount Holly NJ on 2026-07-09 @ 3:45 pm
Headline: Flash Flood Warning issued July 9 at 4:45PM EDT until July 9 at 7:30PM EDT by NWS Mount Holly NJ
Description: At 445 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain in Pottstown. Between 1 and 2.5
inches of rain have fallen. Additional rainfall amounts up to 0.5
inches are possible in the warned area. Flash flooding is already
occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar and automated gauges.

IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.

Some locations that may experience flash flooding include...
Pottstown, Phoenixville, West Norriton, East Norriton, Birdsboro,
Collegeville, Royersford, Trappe, Honey Brook, Schwenksville,
Elverson and Green Lane.

This includes the following highways...
Interstate 176 in Pennsylvania between mile markers 1 and 6.
Pennsylvania Turnpike between mile markers 296 and 309.

Alert: Special Weather Statement
Area(s): Franklin; Adams
Effective: 2026-07-09 @ 3:31 pm -> 2026-07-09 @ 4:00 pm
Onset: 2026-07-09 @ 3:31 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS State College PA on 2026-07-09 @ 3:31 pm
Headline: Special Weather Statement issued July 9 at 4:31PM EDT by NWS State College PA
Description: At 431 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Chambersburg to Greencastle to Municipal
Stadium. Movement was east at 25 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.

Locations impacted include...
Waynesboro, Gettysburg, Greencastle, Guilford, Carroll Valley,
Fayetteville, Wayne Heights, Mont Alto, Rouzerville, Cashtown,
Orrtanna, Maugansville, State Line, Arendtsville, Hunterstown,
Fairfield, McKnightstown, Middleburg, Quincy, and Warrenton.

Alert: Flash Flood Warning
Area(s): New Castle, DE; Chester, PA; Delaware, PA
Effective: 2026-07-09 @ 3:30 pm -> 2026-07-09 @ 7:30 pm
Onset: 2026-07-09 @ 3:30 pm -> 2026-07-09 @ 7:30 pm
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS Mount Holly NJ on 2026-07-09 @ 3:30 pm
Headline: Flash Flood Warning issued July 9 at 4:30PM EDT until July 9 at 8:30PM EDT by NWS Mount Holly NJ
Description: FFWPHI

The National Weather Service in Mount Holly has issued a

* Flash Flood Warning for...
Northwestern New Castle County in northern Delaware...
South Central Chester County in southeastern Pennsylvania...
Southwestern Delaware County in southeastern Pennsylvania...

* Until 830 PM EDT.

* At 430 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
0.5 and 1 inch of rain has fallen. The expected rainfall rate is 1
to 3 inches in 1 hour. Additional rainfall amounts of 1 to 3
inches are possible in the warned area. Flash flooding is ongoing
or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar and automated gauges.

IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.

* Some locations that may experience flash flooding include...
Newark, Chester, Swarthmore, Arden, Talleyville, Greenville, Elam,
Ashland, Concordville, Hockessin, Chelsea and Pike Creek.

This includes Interstate 476 in Pennsylvania between mile markers 1
and 6.

Alert: Flash Flood Warning
Area(s): Burlington, NJ; Bucks, PA; Delaware, PA; Montgomery, PA; Philadelphia, PA
Effective: 2026-07-09 @ 3:16 pm -> 2026-07-09 @ 6:00 pm
Onset: 2026-07-09 @ 3:16 pm -> 2026-07-09 @ 6:00 pm
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS Mount Holly NJ on 2026-07-09 @ 3:16 pm
Headline: Flash Flood Warning issued July 9 at 4:16PM EDT until July 9 at 7:00PM EDT by NWS Mount Holly NJ
Description: At 416 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
1.5 and 2.5 inches of rain have fallen. The expected rainfall rate
is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2
inches are possible in the warned area. Flash flooding is ongoing or
expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar and automated gauges.

IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.

Some locations that may experience flash flooding include...
Philadelphia, Bensalem, Evesham, Mount Laurel, Willingboro,
Medford, Lumberton, Yeadon, Burlington, Bristol, Mount Holly and
Riverside.

People attending Lemon Hill should seek shelter immediately.

This includes the following highways...
Interstate 295 in New Jersey between mile markers 37 and 51.
Interstate 476 in Pennsylvania between mile markers 7 and 9.
New Jersey Turnpike between exits 4 and 6A.
Interstate 76 in Pennsylvania between mile markers 337 and 344.
Interstate 95 in Pennsylvania between mile markers 27 and 40.
Interstate 676 in Pennsylvania near mile marker 0.
Pennsylvania Turnpike between mile markers 347 and 359.

Alert: Flood Watch
Area(s): Belmont; Noble; Monroe; Greene; Fayette; Fayette Ridges; Ohio; Marshall; Wetzel; Marion; Monongalia; Ridges of Eastern Monongalia and Northwestern Preston; Preston; Eastern Preston; Western Tucker; Eastern Tucker
Effective: 2026-07-09 @ 2:30 pm -> 2026-07-09 @ 9:00 pm
Onset: 2026-07-09 @ 2:30 pm -> 2026-07-09 @ 9:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Pittsburgh PA on 2026-07-09 @ 2:30 pm
Headline: Flood Watch issued July 9 at 3:30PM EDT until July 9 at 10:00PM EDT by NWS Pittsburgh PA
Description: * WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of east central Ohio, including the following
areas, Belmont, Monroe and Noble, southwest Pennsylvania, including
the following areas, Fayette, Greene and Higher Elevations of
Fayette, and West Virginia, including the following areas, Eastern
Preston, Eastern Tucker, Marion, Marshall, Monongalia, Ohio,
Preston, Ridges of Eastern Monongalia and Northwestern Preston,
Western Tucker and Wetzel.

* WHEN...Until 10 PM EDT this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
- Banded rainfall totals of 1-2 inches, with isolated peak values
of 3 inches, in combination with wet soils, may lead to instances
of flash flooding. Poor drainage and urbanized locations may be
especially affected.
- http://www.weather.gov/safety/flood

Alert: Flash Flood Warning
Area(s): Adams, PA; Cumberland, PA; Dauphin, PA; York, PA
Effective: 2026-07-09 @ 2:29 pm -> 2026-07-09 @ 5:15 pm
Onset: 2026-07-09 @ 2:29 pm -> 2026-07-09 @ 5:15 pm
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS State College PA on 2026-07-09 @ 2:29 pm
Headline: Flash Flood Warning issued July 9 at 3:29PM EDT until July 9 at 6:15PM EDT by NWS State College PA
Description: FFWCTP

The National Weather Service in State College has issued a

* Flash Flood Warning for...
Northwestern Adams County in south central Pennsylvania...
Eastern Cumberland County in south central Pennsylvania...
Southwestern Dauphin County in south central Pennsylvania...
Northwestern York County in south central Pennsylvania...

* Until 615 PM EDT.

* At 329 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 2 inches of rain have
fallen. Additional rainfall amounts up to 2 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Harrisburg, Carlisle, Lower Allen, Colonial Park, Progress,
Mechanicsburg, Middletown, Camp Hill, New Cumberland, Enola,
Steelton, Lemoyne, Schlusser, Rutherford, Lawnton, Valley Green,
Boiling Springs, Wormleysburg, Bressler-Enhaut-Oberlin and
Penbrook.

Alert: Flash Flood Warning
Area(s): Camden, NJ; Gloucester, NJ; Delaware, PA; Philadelphia, PA
Effective: 2026-07-09 @ 2:11 pm -> 2026-07-09 @ 5:00 pm
Onset: 2026-07-09 @ 2:11 pm -> 2026-07-09 @ 5:00 pm
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS Mount Holly NJ on 2026-07-09 @ 2:11 pm
Headline: Flash Flood Warning issued July 9 at 3:11PM EDT until July 9 at 6:00PM EDT by NWS Mount Holly NJ
Description: At 311 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
0.5 and 2 inches of rain have fallen. The expected rainfall rate is
1 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 3
inches are possible in the warned area. Flash flooding is already
occurring.

HAZARD...Life threatening flash flooding caused by thunderstorms.

SOURCE...Radar and automated gauges.

IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets, and underpasses.

Some locations that may experience flash flooding include...
Philadelphia, Camden, Gloucester City, Cherry Hill, Deptford,
Voorhees, Lindenwold, Bellmawr, Yeadon, Woodbury, Palmyra and
Folcroft.

This includes the following highways...
Interstate 295 in New Jersey between mile markers 21 and 35.
New Jersey Turnpike near exit 3.
Interstate 76 in Pennsylvania between mile markers 344 and 351.
Interstate 95 in Pennsylvania between mile markers 11 and 26.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
Interstate 676 in New Jersey between mile markers 0 and 4.
Interstate 76 in New Jersey between mile markers 0 and 3.

Alert: Flash Flood Warning
Area(s): Lancaster, PA
Effective: 2026-07-09 @ 1:49 pm -> 2026-07-09 @ 4:30 pm
Onset: 2026-07-09 @ 1:49 pm -> 2026-07-09 @ 4:30 pm
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS State College PA on 2026-07-09 @ 1:49 pm
Headline: Flash Flood Warning issued July 9 at 2:49PM EDT until July 9 at 5:30PM EDT by NWS State College PA
Description: FFWCTP

The National Weather Service in State College has issued a

* Flash Flood Warning for...
East Central Lancaster County in south central Pennsylvania...

* Until 530 PM EDT.

* At 249 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 1.5 inches of rain have
fallen. Additional rainfall amounts up to 1 inch are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Lancaster, Millersville, Willow Street, New Holland, Leola,
Paradise, Churchtown, Bareville, Lampeter, Intercourse, Blue Ball,
Gordonville, Goodville, Bird-In-Hand, Smoketown, White Horse,
Dutch Wonderland, Franklin And Marshall College and Millersville
University.

Alert: Flash Flood Warning
Area(s): New Castle, DE; Gloucester, NJ; Salem, NJ; Delaware, PA
Effective: 2026-07-09 @ 1:07 pm -> 2026-07-09 @ 4:45 pm
Onset: 2026-07-09 @ 1:07 pm -> 2026-07-09 @ 4:45 pm
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS Mount Holly NJ on 2026-07-09 @ 1:07 pm
Headline: Flash Flood Warning issued July 9 at 2:07PM EDT until July 9 at 5:45PM EDT by NWS Mount Holly NJ
Description: At 207 PM EDT, emergency management reported thunderstorms producing
heavy rain across the warned area. Between 1 and 2.5 inches of rain
have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour.
Additional rainfall amounts of 0.5 to 1.5 inches are possible in the
warned area. Flash flooding is already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Emergency management reported.

IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.

Some locations that may experience flash flooding include...
Philadelphia, Wilmington, Newark, Chester, Deptford, West
Deptford, Pennsville, Bellmawr, Yeadon, Woodbury, Carneys Point
and Folcroft.

This includes the following highways...
Interstate 295 in New Jersey between mile markers 0 and 25.
Interstate 476 in Pennsylvania near mile marker 0.
New Jersey Turnpike between exits 1 and 2.
Interstate 95 in Pennsylvania between mile markers 0 and 11.
Interstate 95 in Delaware between mile markers 0 and 23.

Alert: Flood Watch
Area(s): Hunterdon; Somerset; Middlesex; Western Monmouth; Eastern Monmouth; Mercer; Ocean; Cumberland; Atlantic; Coastal Atlantic; Coastal Ocean; Southeastern Burlington; Upper Bucks
Effective: 2026-07-09 @ 1:03 pm -> 2026-07-09 @ 11:00 pm
Onset: 2026-07-09 @ 1:03 pm -> 2026-07-09 @ 11:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Mount Holly NJ on 2026-07-09 @ 1:03 pm
Headline: Flood Watch issued July 9 at 2:03PM EDT until July 10 at 12:00AM EDT by NWS Mount Holly NJ
Description: * WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of New Jersey, including the following areas,
Atlantic, Coastal Atlantic, Coastal Ocean, Cumberland, Eastern
Monmouth, Hunterdon, Mercer, Middlesex, Ocean, Somerset,
Southeastern Burlington and Western Monmouth and southeast
Pennsylvania, including the following area, Upper Bucks.

* WHEN...Until midnight EDT tonight.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- Showers and thunderstorms will continue to develop through
this evening, capable of producing heavy downpours. Rainfall
rates of 1 to 2 inches per hour, possibly as high as 3 inches
per hour, are likely and short term training could result in
flooding over portions of northern, eastern, and southern New
Jersey.
- http://www.weather.gov/safety/flood

Alert: Flood Watch
Area(s): Berks; Delaware; Philadelphia; Western Chester; Eastern Chester; Western Montgomery; Eastern Montgomery; Lower Bucks
Effective: 2026-07-09 @ 1:03 pm -> 2026-07-09 @ 11:00 pm
Onset: 2026-07-09 @ 1:03 pm -> 2026-07-09 @ 11:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Mount Holly NJ on 2026-07-09 @ 1:03 pm
Headline: Flood Watch issued July 9 at 2:03PM EDT until July 10 at 12:00AM EDT by NWS Mount Holly NJ
Description: * WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of east central and southeast Pennsylvania,
including the following areas, in east central Pennsylvania,
Berks. In southeast Pennsylvania, Delaware, Eastern Chester,
Eastern Montgomery, Lower Bucks, Philadelphia, Western Chester and
Western Montgomery.

* WHEN...Until midnight EDT tonight.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- Showers and thunderstorms will continue to develop through
this evening, capable of producing heavy downpours. Rainfall
rates of 1 to 2 inches per hour, possibly as high as 3 inches
per hour, are likely and short term training could result in
flooding over southeast Pennsylvania.
- http://www.weather.gov/safety/flood

Alert: Flood Watch
Area(s): Perry; Dauphin; Lebanon; Cumberland; Adams; York; Lancaster
Effective: 2026-07-09 @ 11:26 am -> 2026-07-09 @ 11:00 pm
Onset: 2026-07-09 @ 11:26 am -> 2026-07-09 @ 11:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS State College PA on 2026-07-09 @ 11:26 am
Headline: Flood Watch issued July 9 at 12:26PM EDT until July 10 at 12:00AM EDT by NWS State College PA
Description: * WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...A portion of central Pennsylvania, including the following
counties, Adams, Cumberland, Dauphin, Lancaster, Lebanon, Perry
and York.

* WHEN...Until midnight EDT tonight.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- Showers and thunderstorms will rapidly increase in coverage
this afternoon across south central Pennsylvania. Rainfall
rates of 2-3"/hr are likely at times, leading to 2-4" of rain
with locally higher amounts.
- http://www.weather.gov/safety/flood

Alert: Flood Watch
Area(s): Somerset; Bedford; Fulton; Franklin
Effective: 2026-07-09 @ 11:26 am -> 2026-07-09 @ 11:00 pm
Onset: 2026-07-09 @ 11:26 am -> 2026-07-09 @ 11:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS State College PA on 2026-07-09 @ 11:26 am
Headline: Flood Watch issued July 9 at 12:26PM EDT until July 10 at 12:00AM EDT by NWS State College PA
Description: * WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...A portion of central Pennsylvania, including the following
counties, Bedford, Franklin, Fulton and Somerset.

* WHEN...Until midnight EDT tonight.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- Showers and thunderstorms will rapidly increase in coverage
this afternoon across south central Pennsylvania. Rainfall
rates of 2-3"/hr are likely at times, leading to 2-4" of rain
with locally higher amounts.
- http://www.weather.gov/safety/flood