Active Weather Alerts
Flash Flood Warning
Issued: 9:21 PM Jul. 1, 2025 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR SOUTHEASTERN BERKS, NORTH CENTRAL CHESTER AND WEST CENTRAL MONTGOMERY COUNTIES... At 521 PM EDT, local law enforcement reported thunderstorms producing heavy rain. At Westley Road in Mohnton, a water rescue was reported. Between 2 and 3 inches of rain have fallen. The expected rainfall rate is 0.75 to 1.5 inches in 1 hour. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported. 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... Reading, Pottstown, Phoenixville, Wyomissing, Birdsboro, Royersford, Sinking Spring, Laureldale, Wernersville, Elverson, New Morgan and Cedarville. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...OBSERVED; EXPECTED RAINFALL RATE...0.75-1.5 INCHES IN 1 HOUR
Flash Flood Warning
Issued: 8:44 PM Jul. 1, 2025 – National Weather Service
The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Central Chester County in southeastern Pennsylvania... * Until 845 PM EDT. * At 444 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 0.5 inches of rain have fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Additional rainfall amounts of 1.5 to 2.5 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... Phoenixville, Coatesville, Downingtown, Parkesburg, Honey Brook, Glenmoore, Lionville, Lionville-Marchwood, Chester Springs, Paoli, Malvern and Atglen. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED; EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR
Flash Flood Warning
Issued: 8:14 PM Jul. 1, 2025 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING FOR SOUTHWESTERN CHESTER COUNTY... At 414 PM EDT, trained weather spotters reported thunderstorms producing heavy rain and flash flooding on Market Street in Oxford. Between 2 and 4 inches of rain have 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 already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Trained spotters reported. 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... Kennett Square, Oxford, West Grove, Kemblesville, Landenberg, North Star, Mount Vernon, Hockessin, Glen Roy, Avondale and Toughkenamon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. && FLASH FLOOD...OBSERVED; EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR
Flood Watch
Issued: 7:12 PM Jul. 1, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM EDT WEDNESDAY... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northern Delaware, including the following area, New Castle, New Jersey, including the following areas, Camden, Gloucester, Hunterdon, Mercer, Middlesex, Northwestern Burlington, Salem, Somerset and Western Monmouth, and Pennsylvania, including the following areas, Berks, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester and Western Montgomery. * WHEN...Until 2 AM EDT Wednesday. * 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. * ADDITIONAL DETAILS... - Another round of heavy showers and thunderstorms is moving through These storms will have the potential to bring rainfall amounts of 1 to 3 inches within a brief period of time leading to flash flooding. Localized total rainfall amounts up to 4 inches will be possible before showers and storms wind down overnight Tuesday night. - 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. &&
River Flood Warning
Issued: 7:06 PM Jul. 1, 2025 – National Weather Service
...FLOOD WARNING IN EFFECT FROM THIS EVENING TO TOMORROW AFTERNOON... * WHAT...Minor flooding is forecast. * WHERE...Brandywine Creek at Chadds Ford. * WHEN...From this evening to tomorrow afternoon. * 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 2:30 PM EDT Tuesday the stage was 5.8 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 10.2 feet tomorrow morning. It will then fall below flood stage late tomorrow morning. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 10.3 feet on 12/28/2023. - http://www.weather.gov/safety/flood && Fld Observed Forecasts (2 pm EDT) Location Stg Stg Day/Time Wed Thu Fri Brandywine Creek Chadds Ford 9.0 5.8 Tue 2 pm EDT 7.5 3.9 3.0 &&
Severe Thunderstorm Watch
Issued: 5:01 PM Jul. 1, 2025 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 481 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN DELAWARE THIS WATCH INCLUDES 3 COUNTIES IN CENTRAL DELAWARE KENT IN NORTHERN DELAWARE NEW CASTLE IN SOUTHERN DELAWARE SUSSEX IN MARYLAND THIS WATCH INCLUDES 4 COUNTIES IN NORTHEAST MARYLAND CAROLINE KENT QUEEN ANNE'S TALBOT IN NEW JERSEY THIS WATCH INCLUDES 16 COUNTIES IN CENTRAL NEW JERSEY MERCER MONMOUTH IN NORTHERN NEW JERSEY HUNTERDON MIDDLESEX MORRIS SOMERSET SUSSEX WARREN IN SOUTHERN NEW JERSEY ATLANTIC BURLINGTON CAMDEN CAPE MAY CUMBERLAND GLOUCESTER OCEAN SALEM IN PENNSYLVANIA THIS WATCH INCLUDES 10 COUNTIES IN EAST CENTRAL PENNSYLVANIA BERKS LEHIGH NORTHAMPTON IN NORTHEAST PENNSYLVANIA CARBON MONROE IN SOUTHEAST PENNSYLVANIA BUCKS CHESTER DELAWARE MONTGOMERY PHILADELPHIA THIS INCLUDES THE CITIES OF ALLENTOWN, ATLANTIC CITY, BETHLEHEM, BLAIRSTOWN, CAMDEN, CENTREVILLE, CHERRY HILL, CHESTERTOWN, DENTON, DEPTFORD, DOVER, DOYLESTOWN, EAST BRUNSWICK, EASTON, EASTON, EDISON, FLEMINGTON, FREEHOLD, GEORGETOWN, GLASSBORO, HAMMONTON, JIM THORPE, MEDIA, MILLVILLE, MOORESTOWN, MORRISTOWN, MOUNT HOLLY, NEW BRUNSWICK, NEWTON, NORRISTOWN, NORTH BRUNSWICK TOWNSHIP, OCEAN CITY, PENNSVILLE, PERTH AMBOY, PHILADELPHIA, READING, SAYREVILLE, SOMERSET, STROUDSBURG, TOMS RIVER, TRENTON, WEST CHESTER, AND WILMINGTON.
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