Active Weather Alerts
Flash Flood Warning
Issued: 9:02 PM Jul. 8, 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 900 PM EDT. * At 502 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 2 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, Honey Brook, Glenmoore, Lionville, Lionville-Marchwood, Chester Springs, Paoli, Malvern, South Coatesville and Thorndale. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. && FLASH FLOOD...RADAR INDICATED; EXPECTED RAINFALL RATE...2-3 INCHES IN 1 HOUR
Severe Thunderstorm Warning
Issued: 8:57 PM Jul. 8, 2025 – National Weather Service
The National Weather Service in Mount Holly NJ has issued a * Severe Thunderstorm Warning for... Central Chester County in southeastern Pennsylvania... * Until 515 PM EDT. * At 456 PM EDT, a severe thunderstorm was located near Glenmoore, or 10 miles northwest of West Chester, moving northeast at 35 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Damage to roofs, siding, trees, and power lines is possible. * Locations impacted include... Phoenixville, Coatesville, Downingtown, Valley Forge, Glenmoore, Paoli, Chester Springs, Lionville, Marshallton, Lionville-Marchwood, Malvern, South Coatesville, Modena, Exton, Thorndale, Chesterbrook, and Devon-Berwyn. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. In addition to large hail and damaging winds, frequent cloud to ground lightning is occurring with this storm. Move indoors immediately. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...0.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Severe Thunderstorm Warning
Issued: 8:54 PM Jul. 8, 2025 – National Weather Service
The National Weather Service in Mount Holly NJ has issued a * Severe Thunderstorm Warning for... Southeastern Berks County in eastern Pennsylvania... Northwestern Montgomery County in southeastern Pennsylvania... Northeastern Chester County in southeastern Pennsylvania... * Until 545 PM EDT. * At 454 PM EDT, severe thunderstorms were located along a line extending from near Birdsboro to near Elverson, moving east at 25 mph. HAZARD...70 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Pottstown, Phoenixville, Birdsboro, Collegeville, Royersford, Trappe, East Greenville, Honey Brook, Schwenksville, Elverson, Bally, Bechtelsville, Green Lane, New Morgan, Pughtown, Spring Mount, Glenmoore, Chester Springs, Geryville, and Gilbertsville. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. In addition to large hail and damaging winds, frequent cloud to ground lightning is occurring with these storms. Move indoors immediately. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && TORNADO...POSSIBLE; THUNDERSTORM DAMAGE THREAT...CONSIDERABLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...0.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...70 MPH
Severe Thunderstorm Warning
Issued: 8:49 PM Jul. 8, 2025 – National Weather Service
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR SOUTHEASTERN BERKS...WEST CENTRAL MONTGOMERY AND NORTHERN CHESTER COUNTIES... At 449 PM EDT, severe thunderstorms were located along a line extending from near Birdsboro to Elverson to near Coatesville, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damage to roofs, siding, trees, and power lines is possible. Locations impacted include... West Chester, Pottstown, Phoenixville, Coatesville, Downingtown, Birdsboro, Royersford, Parkesburg, Honey Brook, Elverson, New Morgan, Pughtown, Marshallton, Lionville-Marchwood, Glenmoore, Chester Springs, Lionville, Cedarville, Gilbertsville, and West Goshen. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && TORNADO...POSSIBLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Flash Flood Warning
Issued: 8:39 PM Jul. 8, 2025 – National Weather Service
The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Southwestern Chester County in southeastern Pennsylvania... * Until 845 PM EDT. * At 439 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 2.5 to 3.5 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... Coatesville, Oxford, Parkesburg, Cochranville, Homeville, Mount Vernon, Atglen, South Coatesville and Modena. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. && FLASH FLOOD...RADAR INDICATED; EXPECTED RAINFALL RATE...2.5-3.5 INCHES IN 1 HOUR
Flood Watch
Issued: 6:31 PM Jul. 8, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Delaware, including the following areas, Delaware Beaches, Inland Sussex, Kent and New Castle, northeast Maryland, including the following areas, Caroline, Kent MD, Queen Annes and Talbot, New Jersey, including the following areas, Atlantic, Atlantic Coastal Cape May, Camden, Cape May, Coastal Atlantic, Coastal Ocean, Cumberland, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington, Ocean, Salem, Somerset, Southeastern Burlington, Sussex, Warren and Western Monmouth, and Pennsylvania, including the following areas, Berks, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Northampton, Philadelphia, Upper Bucks, Western Chester and Western Montgomery. * WHEN...Until midnight EDT tonight. * 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... - A frontal boundary will collide with a tropical airmass and produce widespread showers and thunderstorms this afternoon into tonight. Rainfall rates of up to 2 inches per hour or more will be possible, leading to flash flooding. - 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. &&
Heat Advisory
Issued: 6:30 PM Jul. 8, 2025 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 102 degrees. * WHERE...Portions of central, northern, and northwest New Jersey and southeast Pennsylvania. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. &&
Severe Thunderstorm Watch
Issued: 5:47 PM Jul. 8, 2025 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 496 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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