Active Weather Alerts
Flood Warning
Issued: 11:00 PM Sep. 12, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall is occurring. * WHERE...Southeastern Allegheny County in southwestern Pennsylvania... East Central Washington County in southwestern Pennsylvania... West Central Westmoreland County in southwestern Pennsylvania... * WHEN...Until 1000 PM EDT. * IMPACTS...Numerous roads remain closed due to flooding. * ADDITIONAL DETAILS... - At 700 PM EDT, local law enforcement reported flooding in the warned area. Flooding is already occurring. Between 1.5 and 2 inches of rain have fallen. - Some locations that will experience flooding include... Pittsburgh, Penn Hills, Mount Lebanon, Monroeville, McKeesport, Plum, West Mifflin, Baldwin, Murrysville, Wilkinsburg, Whitehall, Munhall, Jefferson Hills, North Versailles, Brentwood, Swissvale, Dormont, Castle Shannon and Pleasant Hills. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Be aware of your surroundings and do not drive on flooded roads. &&
Flood Warning
Issued: 10:26 PM Sep. 12, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT UNTIL 945 PM EDT THIS EVENING... ...REPLACES FLASH FLOOD WARNING... * WHAT...Flooding caused by excessive rainfall is occurring. * WHERE...Southwestern Allegheny County in southwestern Pennsylvania... Central Washington County in southwestern Pennsylvania... * WHEN...Until 945 PM EDT. * IMPACTS...Numerous roads remain closed due to flooding. * ADDITIONAL DETAILS... - At 626 PM EDT, emergency management reported flooding in the warned area. Flooding is already occurring. Between 1.5 and 2.5 inches of rain have fallen. - Some locations that will experience flooding include... Mount Lebanon, Bethel Park, McMurray, Washington, Canonsburg, Gastonville, Baldwin, Upper St. Clair, Scott Township, Whitehall, South Park Township, Cecil-Bishop, Jefferson Hills, Castle Shannon, Pleasant Hills, Bridgeville, Wolfdale, McGovern and East Washington. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. &&
Flash Flood Warning
Issued: 10:14 PM Sep. 12, 2026 – National Weather Service
The National Weather Service in Pittsburgh has issued a * Flash Flood Warning for... Western Fayette County in southwestern Pennsylvania... Southeastern Greene County in southwestern Pennsylvania... Southeastern Washington County in southwestern Pennsylvania... North Central Monongalia County in northern West Virginia... * Until 915 PM EDT. * At 614 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.5 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 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... Uniontown, Connellsville, California, Masontown, Brownsville, South Connellsville, Perryopolis, Fairdale, Point Marion, Cassville, Isabella, Dunbar, West Brownsville, Smithfield, Roscoe, Newell and Allenport. 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: 2:37 PM Sep. 12, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of east central Ohio, including the following areas, Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison, Jefferson OH, Monroe, Muskingum, Noble and Tuscarawas, Pennsylvania, including the following areas, Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette, Forest, Greene, Higher Elevations of Fayette, Higher Elevations of Indiana, Higher Elevations of Westmoreland, Indiana, Jefferson PA, Lawrence, Mercer, Venango, Washington and Westmoreland, and West Virginia, including the following areas, Brooke, Eastern Preston, Eastern Tucker, Hancock, Marion, Marshall, Monongalia, Ohio, Preston, Ridges of Eastern Monongalia and Northwestern Preston, Western Tucker and Wetzel. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Scattered thunderstorm development during the late morning and early afternoon hours, followed by a more widespread push of heavy rain and additional thunderstorms, could result in a couple rounds of heavy rain. At least localized instances of flash flooding will be possible, particularly in locations that have wet soils from recent rain. - 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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