Active Weather Alerts
River Flood Warning
Issued: 2:46 AM Jul. 10, 2025 – National Weather Service
...FLOOD WARNING IN EFFECT UNTIL LATE TOMORROW EVENING... * WHAT...Minor flooding is forecast. * WHERE...Brandywine Creek at Chadds Ford. * WHEN...Until late tomorrow evening. * IMPACTS...At 8.0 feet, Open adjacent land next to the creek floods. At 10.0 feet, The intersections of Creek Road and Route 926 near Pocopson floods upstream of Chadds Ford. * ADDITIONAL DETAILS... - At 9:30 PM EDT Wednesday the stage was 5.7 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 10.6 feet tomorrow morning. It will then fall below flood stage tomorrow afternoon. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 10.5 feet on 03/10/1994. - http://www.weather.gov/safety/flood && Fld Observed Forecasts (8 pm EDT) Location Stg Stg Day/Time Thu Fri Sat Brandywine Creek Chadds Ford 9.0 5.7 Wed 9 pm EDT 7.6 3.1 2.8 &&
Flood Warning
Issued: 2:35 AM Jul. 10, 2025 – National Weather Service
...FLOOD WARNING IN EFFECT UNTIL 245 AM EDT THURSDAY... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Pennsylvania, including the following county, Chester. * WHEN...Until 245 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. Expect many areas of slow moving or standing water. * ADDITIONAL DETAILS... - At 1035 PM EDT, local law enforcement reported heavy rain in the warned area due to thunderstorms. Flooding is already occurring. Between 2 and 4 inches of rain have fallen. - Flooding impacts will continue, but no additional rainfall is expected. - For White Clay Creek at Strickersville: At 9:30pm the stage was 10.5 feet. Flood Stage is 9.5 feet. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. &&
Flood Watch
Issued: 1:56 AM Jul. 10, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM EDT THURSDAY... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southeast Pennsylvania, including the following areas, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester and Western Montgomery. * WHEN...Until 2 AM EDT Thursday. * 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... - Showers and thunderstorms tonight continue to produce heavy rain. With an already saturated surface, it will not take much rainfall to result in flooding. Rainfall rates of around 2 to 3 inches per hour are possible. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. &&
Flash Flood Warning
Issued: 12:00 AM Jul. 10, 2025 – National Weather Service
The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Northern New Castle County in northern Delaware... Southeastern Chester County in southeastern Pennsylvania... Delaware County in southeastern Pennsylvania... Southeastern Montgomery County in southeastern Pennsylvania... Philadelphia County in southeastern Pennsylvania... * Until midnight EDT tonight. * At 800 PM EDT, trained weather spotters reported thunderstorms producing heavy rain with numerous roads flooded in southeast PA. Between 1.5 and 3 inches of rain have fallen. The expected rainfall rate is 1.5 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash flooding caused by thunderstorms. SOURCE...Trained spotters reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets, and underpasses. * Some locations that may experience flash flooding include... Philadelphia, Camden, Wilmington, Newark, Chester, Pennsville, Yeadon, Carneys Point, Conshohocken, Palmyra, Folcroft and Swarthmore. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && FLASH FLOOD...OBSERVED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE; EXPECTED RAINFALL RATE...1.5-3 INCHES IN 1 HOUR
Flash Flood Warning
Issued: 11:47 PM Jul. 9, 2025 – National Weather Service
The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... East Central Chester County in southeastern Pennsylvania... Central Delaware County in southeastern Pennsylvania... Southeastern Montgomery County in southeastern Pennsylvania... Philadelphia County in southeastern Pennsylvania... * Until midnight EDT tonight. * At 747 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. * Some locations that may experience flash flooding include... Philadelphia, Camden, Yeadon, Conshohocken, Palmyra, Folcroft, Jenkintown, Narberth, National Park, East Lansdowne, Rockledge and Bryn Athyn. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && FLASH FLOOD...RADAR INDICATED; EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR
Local Radar