Pennsylvania Severe Flash Flood Warning | Effective 07/10/2026 11:38

Headline: 
Flash Flood Warning issued July 10 at 2:38PM EDT until July 10 at 4:15PM EDT by NWS Pittsburgh PA
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 10, 2026 - 11:38am
Expires: 
July 10, 2026 - 1:15pm
Description: 
At 238 PM EDT, Broadcast media reported thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 2 to 3 inches in 1 hour. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Broadcast media reported. 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... New Castle, Hermitage, Sharon, Grove City, Sharpsville, Greenville, Farrell, Slippery Rock, New Wilmington, Oakwood, New Castle Northwest, Mercer, Pulaski, Stoneboro, New Bedford, Harrisville, West Middlesex, Plain Grove Township, South New Castle and Sandy Lake.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Area Description: 
Butler, PA; Lawrence, PA; Mercer, PA; Venango, PA
Forcast Office: 
NWS Pittsburgh PA