Philadelphia, PA Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Philadelphia.

Use the Radar Maps link provided to understand the trajectory of a storm.

Flood Watch issued May 21 at 4:22AM EDT until May 22 at 5:00AM EDT by NWS State College PA

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of central Pennsylvania, including the following counties, Bedford and Somerset. * WHEN...Through late tonight. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - Occasional showers will produce 1 to 3 inches of rain today and tonight which will fall onto soil that is already very wet. This could result in flooding, especially in areas that receive thunderstorms. - http://www.weather.gov/safety/flood

Flood Watch issued May 21 at 3:45AM EDT until May 22 at 5:00AM EDT by NWS Pittsburgh PA

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Pennsylvania, including the following areas, Allegheny, Fayette, Greene, Higher Elevations of Fayette, Higher Elevations of Westmoreland, Washington and Westmoreland and northern West Virginia, including the following areas, Eastern Preston, Eastern Tucker, Marion, Monongalia, Preston, Ridges of Eastern Monongalia and Northwestern Preston and Western Tucker. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood