St. Francois County weather alerts
There are no active weather alerts for St. Francois County, MO right now.
Since 2016 the National Weather Service has issued about 746 alerts that included St. Francois County, roughly 75 a year. The most common is the severe thunderstorm warning (161 from 2016 to 2025). The last tornado warning was issued on August 1, 2026. 25 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 St. Francois County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Washington County, Iron County, Madison County, Perry County.
St. Francois County alert history
Alert events that included St. Francois County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 161 | 9 | September 5, 2026 |
| Severe Thunderstorm Watch | 70 | 8 | July 10, 2026 |
| Dense Fog Advisory | 67 | 3 | May 9, 2026 |
| Flood Watch | 54 | 4 | July 9, 2026 |
| Winter Weather Advisory | 52 | 0 | December 1, 2025 |
| Tornado Watch | 43 | 2 | April 27, 2026 |
| Flood Advisory | 38 | 6 | July 16, 2026 |
| Wind Advisory | 35 | 2 | June 17, 2026 |
| Freeze Warning | 33 | 2 | November 7, 2026 |
| Heat Advisory | 33 | 9 | September 15, 2026 |
| Flash Flood Warning | 25 | 1 | July 10, 2026 |
| Tornado Warning | 23 | 4 | August 1, 2026 |
| Frost Advisory | 22 | 1 | October 18, 2026 |
| Flood Warning | 21 | 3 | July 10, 2026 |
| Red Flag Warning | 12 | 1 | March 29, 2026 |
| Freeze Watch | 11 | 0 | November 2, 2025 |
| Winter Storm Warning | 10 | 1 | January 24, 2026 |
| Winter Storm Watch | 10 | 1 | January 24, 2026 |
| Cold Weather Advisory | 9 | 2 | January 26, 2026 |
| Extreme Heat Warning | 7 | 4 | September 3, 2026 |
| Extreme Heat Watch | 2 | 1 | July 26, 2026 |
| High Wind Warning | 2 | 0 | March 5, 2025 |
| Fire Weather Watch | 2 | 0 | October 14, 2022 |
| Ice Storm Warning | 1 | 0 | January 13, 2017 |
| High Wind Watch | 1 | 0 | March 14, 2019 |
| Extreme Cold Watch | 1 | 0 | December 22, 2022 |
| Extreme Cold Warning | 1 | 1 | January 26, 2026 |
Tornado history in St. Francois County
25 tornadoes have been recorded in St. Francois County since 1950, killing 13 people and injuring 72. That ranks 52 of 115 counties in Missouri. The most recent was on June 7, 2025 (rated EF0).
Strongest tornadoes in St. Francois County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 22, 1969 | F4 | St. Francois County | 15.1 mi | 440 yd | 4 | 14 |
| May 21, 1957 | F3 | Washington County | 22.2 mi | 400 yd | 8 | 50 |
| October 24, 2021 | EF3 | St. Francois County | 16.7 mi | 450 yd | 0 | 1 |
| December 18, 1957 | F2 | St. Francois County | 2.7 mi | 33 yd | 1 | 1 |
| May 24, 1971 | F2 | Washington County | 25.4 mi | 50 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 7, 2025 | EF0 | St. Francois County | 1.3 mi | 65 yd | 0 | 0 |
| May 19, 2025 | EF1 | St. Francois County | 4.2 mi | 500 yd | 0 | 0 |
| October 24, 2021 | EF3 | St. Francois County | 16.7 mi | 450 yd | 0 | 1 |
| July 31, 2021 | EF0 | St. Francois County | 0.9 mi | 120 yd | 0 | 0 |
| June 27, 2020 | EF1 | St. Francois County | 0.7 mi | 125 yd | 0 | 0 |
About St. Francois County
- Population: 67,503 (2024 estimate)
- State: Missouri
- NOAA Weather Radio SAME code: 029187 (how to use it)