Philadelphia County weather alerts
There are no active weather alerts for Philadelphia County, PA right now.
Since 2016 the National Weather Service has issued about 1,531 alerts that included Philadelphia County, roughly 153 a year. The most common is the severe thunderstorm warning (275 from 2016 to 2025). The last tornado warning was issued on July 8, 2025. 10 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Philadelphia County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Bucks County, Delaware County, Burlington County, Camden County.
Philadelphia County alert history
Alert events that included Philadelphia County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 275 | 36 | November 12, 2026 |
| Flood Advisory | 234 | 0 | March 23, 2024 |
| Coastal Flood Advisory | 123 | 3 | September 24, 2026 |
| Flood Watch | 111 | 10 | September 13, 2026 |
| Severe Thunderstorm Watch | 111 | 17 | October 16, 2026 |
| Flood Warning | 109 | 8 | October 11, 2026 |
| Flash Flood Warning | 106 | 36 | November 12, 2026 |
| Wind Advisory | 77 | 3 | September 25, 2026 |
| Winter Weather Advisory | 64 | 2 | March 3, 2026 |
| Dense Fog Advisory | 60 | 8 | May 10, 2026 |
| Heat Advisory | 49 | 7 | September 3, 2026 |
| Extreme Heat Warning | 23 | 2 | July 15, 2026 |
| Frost Advisory | 20 | 3 | November 14, 2026 |
| Tornado Watch | 17 | 6 | November 12, 2026 |
| Winter Storm Warning | 17 | 2 | February 22, 2026 |
| Tornado Warning | 17 | 0 | July 8, 2025 |
| Extreme Heat Watch | 16 | 2 | July 15, 2026 |
| Winter Storm Watch | 15 | 2 | February 22, 2026 |
| Red Flag Warning | 13 | 0 | November 16, 2024 |
| Freeze Warning | 11 | 3 | April 21, 2026 |
| High Wind Warning | 11 | 0 | December 19, 2025 |
| Fire Weather Watch | 10 | 0 | November 16, 2024 |
| Coastal Flood Warning | 10 | 0 | April 12, 2024 |
| Snow Squall Warning | 9 | 1 | January 1, 2026 |
| High Wind Watch | 7 | 0 | February 16, 2025 |
| Cold Weather Advisory | 7 | 3 | February 8, 2026 |
| Freeze Watch | 6 | 3 | April 21, 2026 |
| Blizzard Warning | 1 | 1 | February 22, 2026 |
| Tropical Storm Watch | 1 | 0 | August 2, 2020 |
| Tropical Storm Warning | 1 | 0 | August 3, 2020 |
| Extreme Cold Watch | 0 | 1 | February 7, 2026 |
| Extreme Cold Warning | 0 | 1 | February 7, 2026 |
Tornado history in Philadelphia County
10 tornadoes have been recorded in Philadelphia County since 1950, injuring 39 people. That ranks 46 of 67 counties in Pennsylvania. The most recent was on July 29, 2021 (rated EF0).
Strongest tornadoes in Philadelphia County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 29, 2021 | EF3 | Philadelphia County | 3.4 mi | 530 yd | 0 | 0 |
| August 4, 2020 | EF2 | Bucks County | 20.8 mi | 500 yd | 0 | 18 |
| July 14, 1958 | F2 | Philadelphia County | 9.8 mi | 27 yd | 0 | 0 |
| May 31, 1998 | F2 | Philadelphia County | 5.6 mi | 200 yd | 0 | 0 |
| August 3, 1991 | F1 | Montgomery County | 5 mi | 100 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 29, 2021 | EF0 | Philadelphia County | 0.4 mi | 40 yd | 0 | 0 |
| July 29, 2021 | EF3 | Philadelphia County | 3.4 mi | 530 yd | 0 | 0 |
| August 4, 2020 | EF2 | Bucks County | 20.8 mi | 500 yd | 0 | 18 |
| May 18, 2011 | EF0 | Philadelphia County | 0.1 mi | 33 yd | 0 | 2 |
| January 18, 1999 | F0 | Philadelphia County | 0.2 mi | 20 yd | 0 | 18 |
About Philadelphia County
- Population: 1,573,916 (2024 estimate)
- State: Pennsylvania
- NOAA Weather Radio SAME code: 042101 (how to use it)
- Cities: Philadelphia