Washington County weather alerts
There are no active weather alerts for Washington County, PA right now.
Since 2016 the National Weather Service has issued about 1,093 alerts that included Washington County, roughly 109 a year. The most common is the severe thunderstorm warning (407 from 2016 to 2025). The last tornado warning was issued on August 2, 2026. 21 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 Washington County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Beaver County, Greene County, Allegheny County, Marshall County.
Washington County alert history
Alert events that included Washington County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 407 | 62 | October 16, 2026 |
| Flood Advisory | 89 | 0 | September 1, 2024 |
| Flash Flood Warning | 84 | 23 | September 20, 2026 |
| Severe Thunderstorm Watch | 73 | 15 | September 9, 2026 |
| Flood Warning | 72 | 11 | October 11, 2026 |
| Winter Weather Advisory | 60 | 1 | March 16, 2026 |
| Flood Watch | 49 | 15 | September 20, 2026 |
| Frost Advisory | 36 | 7 | October 22, 2026 |
| Dense Fog Advisory | 31 | 6 | August 21, 2026 |
| Wind Advisory | 31 | 2 | March 15, 2026 |
| Tornado Warning | 30 | 4 | August 2, 2026 |
| Freeze Warning | 17 | 3 | October 18, 2026 |
| Tornado Watch | 17 | 3 | March 26, 2026 |
| Snow Squall Warning | 16 | 15 | February 7, 2026 |
| Freeze Watch | 13 | 2 | October 18, 2026 |
| Cold Weather Advisory | 13 | 8 | February 7, 2026 |
| Heat Advisory | 12 | 3 | September 2, 2026 |
| Winter Storm Warning | 11 | 1 | January 25, 2026 |
| Winter Storm Watch | 10 | 1 | January 25, 2026 |
| High Wind Watch | 6 | 0 | April 1, 2023 |
| Red Flag Warning | 3 | 0 | April 12, 2023 |
| High Wind Warning | 3 | 1 | March 13, 2026 |
| Extreme Heat Watch | 3 | 0 | June 22, 2025 |
| Fire Weather Watch | 2 | 0 | April 12, 2023 |
| Extreme Cold Watch | 2 | 1 | January 27, 2026 |
| Extreme Heat Warning | 2 | 1 | June 30, 2026 |
| Extreme Cold Warning | 1 | 1 | January 27, 2026 |
Tornado history in Washington County
21 tornadoes have been recorded in Washington County since 1950, injuring 4 people. That ranks 14 of 67 counties in Pennsylvania. The most recent was on May 21, 2025 (rated EF1).
Strongest tornadoes in Washington County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| October 21, 2021 | EF2 | Washington County | 15.7 mi | 700 yd | 0 | 0 |
| May 11, 2024 | EF2 | Washington County | 5.8 mi | 200 yd | 0 | 0 |
| June 30, 1990 | F2 | Washington County | 0.2 mi | 250 yd | 0 | 0 |
| May 21, 2025 | EF1 | Washington County | 13.9 mi | 200 yd | 0 | 0 |
| June 26, 2024 | EF1 | Washington County | 6.8 mi | 100 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 21, 2025 | EF1 | Washington County | 13.9 mi | 200 yd | 0 | 0 |
| May 21, 2025 | EF0 | Washington County | 2.2 mi | 75 yd | 0 | 0 |
| May 16, 2025 | EF0 | Washington County | 0.5 mi | 75 yd | 0 | 0 |
| June 26, 2024 | EF1 | Washington County | 6.8 mi | 100 yd | 0 | 0 |
| May 17, 2024 | EF0 | Washington County | 5.9 mi | 75 yd | 0 | 0 |
About Washington County
- Population: 210,434 (2024 estimate)
- State: Pennsylvania
- NOAA Weather Radio SAME code: 042125 (how to use it)