Pennsylvania Severe Flash Flood Warning | Effective 07/05/2026 11:35

Headline: 
Flash Flood Warning issued July 5 at 2:35PM EDT until July 5 at 6:30PM EDT by NWS Pittsburgh PA
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 5, 2026 - 11:35am
Expires: 
July 5, 2026 - 3:30pm
Description: 
FFWPBZ The National Weather Service in Pittsburgh has issued a * Flash Flood Warning for... Southern Mercer County in northwestern Pennsylvania... Southwestern Venango County in northwestern Pennsylvania... West Central Armstrong County in west central Pennsylvania... Butler County in west central Pennsylvania... Lawrence County in western Pennsylvania... * Until 630 PM EDT. * At 235 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 3 to 4 inches in 1 hour. Flash flooding is expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. 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, Butler, Grove City, Sharpsville, Ellwood City, Homeacre-Lyndora, Farrell, Shanor-Northvue, Meridian, Slippery Rock, Meadowood, New Wilmington, Oak Hills, Oakwood, New Castle Northwest, Mercer and New Beaver.
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: 
Armstrong, PA; Butler, PA; Lawrence, PA; Mercer, PA; Venango, PA
Forcast Office: 
NWS Pittsburgh PA