Active Weather Alerts
Severe Thunderstorm Watch
Issued: 11:43 PM Aug. 27, 2026 – National Weather Service
PA . PENNSYLVANIA COUNTIES INCLUDED ARE BERKS BUCKS CARBON CHESTER DELAWARE LEHIGH MONROE MONTGOMERY NORTHAMPTON PHILADELPHIA
Flash Flood Warning
Issued: 11:08 PM Aug. 27, 2026 – National Weather Service
The National Weather Service in Mount Holly has extended the * Flash Flood Warning for... Mercer County in central New Jersey... Southwestern Somerset County in northern New Jersey... Southeastern Bucks County in southeastern Pennsylvania... * Until 815 PM EDT. * At 708 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 3 and 4 inches of rain have fallen. The expected rainfall rate is 1 to 2 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 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... Trenton, Ewing, Princeton, Bristol, Pennington, Yardley, Newtown, Hopewell, Tullytown and Langhorne. 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...1-2 INCHES IN 1 HOUR
Flash Flood Warning
Issued: 11:00 PM Aug. 27, 2026 – National Weather Service
The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Northwestern Burlington County in southern New Jersey... Northwestern Camden County in southern New Jersey... South Central Bucks County in southeastern Pennsylvania... Northeastern Delaware County in southeastern Pennsylvania... Southeastern Montgomery County in southeastern Pennsylvania... Philadelphia County in southeastern Pennsylvania... * Until 1100 PM EDT. * At 700 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 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 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... Philadelphia, Camden, Gloucester City, Bensalem, Yeadon, Riverside, Conshohocken, Palmyra, Jenkintown, Westville and Narberth. 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...1-2 INCHES IN 1 HOUR
Flood Watch
Issued: 2:27 PM Aug. 27, 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 northern Delaware, including the following area, New Castle, New Jersey, including the following areas, Camden, Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington, Somerset, 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...Through late tonight. * IMPACTS...Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Showers and thunderstorms are expected to develop by midday today. Some of these showers and thunderstorms are expected to produce very heavy rainfall. Rainfall totals of 1-2 inches of rain can be expected with localized amounts of 3-5 inches possible in the strongest storms. Rainfall rates within these thunderstorms may reach up to 1-3 inches per hour at times. - 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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