Active Weather Alerts
Severe Thunderstorm Watch
Issued: 10:33 PM Sep. 3, 2026 – National Weather Service
PA . PENNSYLVANIA COUNTIES INCLUDED ARE ALLEGHENY ARMSTRONG BEAVER BUTLER CLARION CRAWFORD ERIE FAYETTE FOREST GREENE INDIANA JEFFERSON LAWRENCE MERCER VENANGO WASHINGTON WESTMORELAND
Flash Flood Warning
Issued: 10:02 PM Sep. 3, 2026 – National Weather Service
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. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED
Flood Watch
Issued: 3:15 PM Sep. 3, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT THROUGH THIS EVENING... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of northwest and western Pennsylvania, including the following areas, in northwest Pennsylvania, Forest, Jefferson PA, Mercer and Venango. In western Pennsylvania, Clarion. * WHEN...Through this evening. * 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... - Following multiple rounds of thunderstorms over the previous 24 to 36 hours, another cluster is expected Thursday afternoon and evening that could produce heavy rain on an already saturated ground that is susceptible to flash flooding. Hourly rates could reach 1-2 inches per hour in the strongest storms. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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