Prince William County weather alerts
There are no active weather alerts for Prince William County, VA right now.
Since 2016 the National Weather Service has issued about 1,250 alerts that included Prince William County, roughly 125 a year. The most common is the severe thunderstorm warning (380 from 2016 to 2025). The last tornado warning was issued on March 16, 2026. 14 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 Prince William County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Loudoun County, Manassas Park city, Fauquier County, Stafford County.
Prince William County alert history
Alert events that included Prince William County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 380 | 40 | September 4, 2026 |
| Flood Watch | 127 | 5 | August 16, 2026 |
| Flood Warning | 122 | 2 | July 7, 2026 |
| Severe Thunderstorm Watch | 109 | 20 | October 16, 2026 |
| Wind Advisory | 75 | 3 | March 16, 2026 |
| Dense Fog Advisory | 63 | 3 | March 6, 2026 |
| Winter Weather Advisory | 56 | 3 | March 2, 2026 |
| Heat Advisory | 55 | 7 | September 3, 2026 |
| Flash Flood Warning | 39 | 4 | August 2, 2026 |
| Frost Advisory | 38 | 7 | November 8, 2026 |
| Freeze Warning | 26 | 3 | April 21, 2026 |
| Tornado Watch | 18 | 3 | August 20, 2026 |
| Winter Storm Watch | 15 | 2 | February 22, 2026 |
| Extreme Heat Watch | 14 | 2 | July 4, 2026 |
| Red Flag Warning | 14 | 0 | November 16, 2025 |
| Extreme Heat Warning | 13 | 3 | July 4, 2026 |
| Winter Storm Warning | 13 | 1 | January 25, 2026 |
| Freeze Watch | 12 | 3 | April 21, 2026 |
| Coastal Flood Advisory | 11 | 0 | October 29, 2025 |
| Fire Weather Watch | 11 | 0 | November 16, 2025 |
| Cold Weather Advisory | 11 | 10 | February 9, 2026 |
| Tornado Warning | 10 | 1 | March 16, 2026 |
| High Wind Warning | 6 | 1 | February 7, 2026 |
| High Wind Watch | 4 | 0 | February 16, 2025 |
| Snow Squall Warning | 2 | 0 | January 20, 2025 |
| Coastal Flood Warning | 2 | 0 | January 9, 2024 |
| Blizzard Warning | 1 | 0 | January 22, 2016 |
| Tropical Storm Watch | 1 | 0 | August 2, 2020 |
| Tropical Storm Warning | 1 | 0 | August 3, 2020 |
| Ice Storm Warning | 1 | 0 | February 13, 2021 |
| Extreme Cold Watch | 0 | 1 | February 7, 2026 |
| Extreme Cold Warning | 0 | 1 | February 7, 2026 |
Tornado history in Prince William County
14 tornadoes have been recorded in Prince William County since 1950, killing 1 people and injuring 12. That ranks 16 of 133 counties in Virginia. The most recent was on June 20, 2015 (rated EF0).
Strongest tornadoes in Prince William County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| January 26, 1978 | F3 | Prince William County | 0.7 mi | 250 yd | 1 | 10 |
| September 17, 2004 | F2 | Prince William County | 4 mi | 250 yd | 0 | 0 |
| September 27, 1993 | F2 | Fauquier County | 3 mi | 100 yd | 0 | 2 |
| April 27, 2011 | EF1 | Prince William County | 5.8 mi | 125 yd | 0 | 0 |
| September 24, 2001 | F0 | Stafford County | 11 mi | 75 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 20, 2015 | EF0 | Prince William County | 2.1 mi | 100 yd | 0 | 0 |
| October 13, 2011 | EF0 | Prince William County | 1.6 mi | 75 yd | 0 | 0 |
| October 13, 2011 | EF0 | Stafford County | 2.7 mi | 75 yd | 0 | 0 |
| April 27, 2011 | EF1 | Prince William County | 5.8 mi | 125 yd | 0 | 0 |
| April 27, 2011 | EF0 | Stafford County | 3.3 mi | 50 yd | 0 | 0 |
About Prince William County
- Population: 497,003 (2024 estimate)
- State: Virginia
- NOAA Weather Radio SAME code: 051153 (how to use it)