Active Weather Alerts
Severe Thunderstorm Warning
Issued: 7:56 PM Jul. 27, 2026 – National Weather Service
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR SOUTHEASTERN MONTGOMERY AND NORTHWESTERN PHILADELPHIA COUNTIES... At 355 PM EDT, a severe thunderstorm was located over Chestnut Hill, or 7 miles northwest of Philadelphia, moving northeast at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, siding, trees, and power lines is possible. Locations impacted include... Philadelphia, East Norriton, Conshohocken, Ambler, Jenkintown, Rockledge, Plymouth Meeting, Germantown, Chestnut Hill, Roxborough, West Conshohocken, Fort Washington, Blue Bell, Glenside, Flourtown, Spring House, Oreland, Wyndmoor, Wyncote, and Maple Glen. This includes the following highways... Pennsylvania Turnpike between mile markers 332 and 340. Northeast Extension between mile markers 21 and 23. Interstate 76 in Pennsylvania between mile markers 330 and 339. Interstate 476 in Pennsylvania between mile markers 16 and 19. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...1.00 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Flood Watch
Issued: 6:15 PM Jul. 27, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY AFTERNOON... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Northern Delaware, New Jersey and eastern Pennsylvania including the Southern Poconos, Lehigh Valley and metro Philadelphia. * WHEN...From Tuesday morning through Wednesday afternoon. * 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. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Showers and thunderstorms will increase over the area Tuesday morning and afternoon. Rainfall rates of 1 to 2 inches per hour are possible. Total rainfall of 2 to 4 inches could occur into Tuesday night. - 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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