Active Weather Alerts
River Flood Warning
Issued: 1:32 AM Aug. 28, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT UNTIL FRIDAY MORNING... * WHAT...Minor flooding is forecast. * WHERE...Neshaminy Creek at Langhorne. * WHEN...Until Friday morning. * IMPACTS...At 10.5 feet, Route 413, near Bridgeton Pike in Middletown Township, is subject to closures due to flooding. * ADDITIONAL DETAILS... - At 8:45 PM EDT Thursday the stage was 7.2 feet. - Bankfull stage is 6.0 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 9.9 feet just after midnight tonight. It will then fall below flood stage late tonight. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 9.9 feet on 12/11/2023. - http://www.weather.gov/safety/flood &&
Flood Warning
Issued: 1:09 AM Aug. 28, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT UNTIL 115 AM EDT FRIDAY... ...REPLACES FLASH FLOOD WARNING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...South Central Bucks County in southeastern Pennsylvania... Northern Chester County in southeastern Pennsylvania... Central Montgomery County in southeastern Pennsylvania... * WHEN...Until 115 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 907 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 3 and 4 inches of rain have fallen. - Additional rainfall amounts up to 0.5 inches are possible in the warned area. - Some locations that will experience flooding include... Norristown, Phoenixville, Lansdale, West Norriton, East Norriton, Coatesville, Downingtown, Hatboro, Ambler, Collegeville, Royersford and Parkesburg. - 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 Warning
Issued: 12:09 AM Aug. 28, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT UNTIL 3 AM EDT FRIDAY... ...REPLACES FLASH FLOOD WARNING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Mercer County in central New Jersey... Southwestern Middlesex County in northern New Jersey... Southwestern Somerset County in northern New Jersey... Southern Hunterdon County in northwestern New Jersey... North Central Burlington County in southern New Jersey... Southeastern Bucks County in southeastern Pennsylvania... Eastern Montgomery County in southeastern Pennsylvania... * WHEN...Until 300 AM EDT Friday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 807 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 3 and 4 inches of rain have fallen. - Additional rainfall amounts up to 0.5 inches are possible in the warned area. - Some locations that will experience flooding include... Trenton, Ewing, Princeton, Bristol, Pennington, Yardley, Newtown, Hopewell, Tullytown and Langhorne. - 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: 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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