Washington County weather alerts
There are no active weather alerts for Washington County, MO right now.
Since 2016 the National Weather Service has issued about 838 alerts that included Washington County, roughly 84 a year. The most common is the severe thunderstorm warning (182 from 2016 to 2025). The last tornado warning was issued on August 1, 2026. 27 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 Iron County, Franklin County, Crawford County, St. Francois 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 | 182 | 14 | August 12, 2026 |
| Severe Thunderstorm Watch | 74 | 9 | July 10, 2026 |
| Dense Fog Advisory | 69 | 2 | May 9, 2026 |
| Flood Warning | 60 | 7 | July 11, 2026 |
| Winter Weather Advisory | 59 | 0 | December 1, 2025 |
| Flood Watch | 51 | 6 | August 6, 2026 |
| Tornado Watch | 40 | 4 | July 31, 2026 |
| Flood Advisory | 38 | 7 | August 1, 2026 |
| Tornado Warning | 38 | 3 | August 1, 2026 |
| Wind Advisory | 36 | 1 | March 15, 2026 |
| Heat Advisory | 34 | 8 | September 15, 2026 |
| Freeze Warning | 33 | 2 | November 7, 2026 |
| Frost Advisory | 24 | 1 | October 18, 2026 |
| Flash Flood Warning | 21 | 7 | August 6, 2026 |
| Red Flag Warning | 17 | 1 | February 19, 2026 |
| Freeze Watch | 12 | 0 | November 2, 2025 |
| Winter Storm Warning | 11 | 1 | January 24, 2026 |
| Winter Storm Watch | 11 | 1 | January 24, 2026 |
| Cold Weather Advisory | 9 | 2 | January 26, 2026 |
| Extreme Heat Warning | 6 | 4 | September 3, 2026 |
| Fire Weather Watch | 3 | 0 | October 14, 2022 |
| Extreme Heat Watch | 2 | 1 | July 26, 2026 |
| High Wind Warning | 2 | 0 | March 5, 2025 |
| Extreme Cold Watch | 2 | 0 | December 22, 2022 |
| Extreme Cold Warning | 2 | 1 | January 26, 2026 |
| Ice Storm Warning | 1 | 0 | January 13, 2017 |
| High Wind Watch | 1 | 0 | March 14, 2019 |
Tornado history in Washington County
27 tornadoes have been recorded in Washington County since 1950, killing 14 people and injuring 150. That ranks 44 of 115 counties in Missouri. The most recent was on May 19, 2025 (rated EF0).
Strongest tornadoes in Washington County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| December 21, 1967 | F4 | Iron County | 27.9 mi | 200 yd | 3 | 52 |
| June 22, 1969 | F4 | Washington County | 20.2 mi | 800 yd | 2 | 22 |
| May 21, 1957 | F3 | Washington County | 22.2 mi | 400 yd | 8 | 50 |
| April 2, 2025 | EF3 | Crawford County | 22 mi | 200 yd | 0 | 0 |
| December 8, 1966 | F3 | Washington County | 1.3 mi | 200 yd | 0 | 2 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 19, 2025 | EF0 | Washington County | 2.2 mi | 140 yd | 0 | 0 |
| May 19, 2025 | EF1 | Iron County | 2.8 mi | 50 yd | 0 | 0 |
| April 29, 2025 | EF1 | Washington County | 4.2 mi | 150 yd | 0 | 0 |
| April 2, 2025 | EF3 | Crawford County | 22 mi | 200 yd | 0 | 0 |
| March 24, 2019 | EF0 | Washington County | 0 mi | 20 yd | 0 | 0 |
About Washington County
- Population: 23,583 (2024 estimate)
- State: Missouri
- NOAA Weather Radio SAME code: 029221 (how to use it)