Pennsylvania Severe Flash Flood Warning | Effective 09/03/2026 15:02

Headline: 
Flash Flood Warning issued September 3 at 6:02PM EDT until September 3 at 9:00PM EDT by NWS Pittsburgh PA
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 3, 2026 - 3:02pm
Expires: 
September 3, 2026 - 6:00pm
Description: 
FFWPBZ The National Weather Service in Pittsburgh has issued a * Flash Flood Warning for... Northwestern Mercer County in northwestern Pennsylvania... * Until 900 PM EDT. * At 602 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2 inches of rain have fallen. Flash flooding is ongoing or 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... Greenville, Jamestown, Sheakleyville and Maurice K Goddard State Park.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Mercer, PA
Forcast Office: 
NWS Pittsburgh PA
Sender: 
w-nws.webmaster@noaa.gov