Severe Thunderstorm Warning — Philadelphia County, Pennsylvania
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued August 20 at 6:32PM EDT until August 20 at 7:00PM EDT by NWS Mount Holly NJ
At 632 PM EDT, severe thunderstorms were located along a line extending from Feasterville to near Magnolia to near Elmer, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. Locations impacted include... Philadelphia, Camden, Gloucester City, Cherry Hill, Bensalem, Evesham, Mount Laurel, Willingboro, Deptford, Voorhees, Medford, West Deptford, Glassboro, Lindenwold, and Lumberton.
Effective August 20, 2026 at 6:32 PM ET · Expires August 20, 2026 at 7:00 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Mount Holly NJ
Expires
August 20, 2026 at 7:00 PM ET
Last Checked
42 minutes ago
What To Do
📋 Official NWS Guidance
A Tornado Watch remains in effect until 1000 PM EDT for southern New Jersey...and southeastern Pennsylvania. For your protection move to an interior room on the lowest floor of a building.
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Pennsylvania
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Flash Flood Warning
Flash Flood Warning
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Flood Warning
Get Severe Thunderstorm Warning Alerts for Philadelphia County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Philadelphia County, Pennsylvania?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (42 minutes ago). It's set to expire August 20, 2026 at 7:00 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Philadelphia County?
Download StormCast free on Google Play and set Philadelphia County, Pennsylvania as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Warning is also in effect for Bucks County, Delaware County, Montgomery County.