Pennsylvania Severe Flash Flood Warning | Effective 07/28/2026 15:56

Headline: 
Flash Flood Warning issued July 28 at 6:56PM EDT until July 28 at 11:00PM EDT by NWS Mount Holly NJ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 28, 2026 - 3:56pm
Expires: 
July 28, 2026 - 8:00pm
Description: 
FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Southeastern Lehigh County in eastern Pennsylvania... South Central Northampton County in eastern Pennsylvania... West Central Bucks County in southeastern Pennsylvania... * Until 1100 PM EDT. * At 656 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. The expected rainfall rate is 1.5 to 2.5 inches in 1 hour. Additional rainfall amounts of 0.5 to 1.5 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... Allentown, Bethlehem, Emmaus, Quakertown, Zionsville, Lehigh University, Ancient Oaks, Fountain Hill, Macungie, Coopersburg, Alburtis and Richlandtown. This includes the following highways... Northeast Extension between mile markers 40 and 55. Interstate 78 in Pennsylvania between mile markers 56 and 63...and near mile marker 65.
Instruction: 
Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Bucks, PA; Lehigh, PA; Northampton, PA
Forcast Office: 
NWS Mount Holly NJ
Sender: 
w-nws.webmaster@noaa.gov