Sullivan County weather alerts
There are no active weather alerts for Sullivan County, MO right now.
Since 2016 the National Weather Service has issued about 810 alerts that included Sullivan County, roughly 81 a year. The most common is the severe thunderstorm warning (164 from 2016 to 2025). The last tornado warning was issued on June 10, 2026. 12 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 Sullivan County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Adair County, Putnam County, Grundy County, Mercer County.
Sullivan County alert history
Alert events that included Sullivan County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 164 | 53 | August 15, 2026 |
| Dense Fog Advisory | 86 | 8 | September 11, 2026 |
| Winter Weather Advisory | 75 | 4 | April 7, 2026 |
| Severe Thunderstorm Watch | 66 | 6 | September 20, 2026 |
| Wind Advisory | 53 | 5 | June 17, 2026 |
| Flood Warning | 36 | 6 | September 16, 2026 |
| Flood Watch | 35 | 9 | September 30, 2026 |
| Heat Advisory | 33 | 7 | August 31, 2026 |
| Freeze Warning | 32 | 3 | November 7, 2026 |
| Tornado Watch | 32 | 11 | June 11, 2026 |
| Cold Weather Advisory | 27 | 2 | January 26, 2026 |
| Flash Flood Warning | 26 | 6 | June 11, 2026 |
| Winter Storm Watch | 19 | 0 | November 29, 2025 |
| Red Flag Warning | 18 | 4 | March 28, 2026 |
| Flood Advisory | 17 | 10 | September 16, 2026 |
| Frost Advisory | 16 | 2 | May 2, 2026 |
| Winter Storm Warning | 14 | 0 | November 29, 2025 |
| Tornado Warning | 12 | 9 | June 10, 2026 |
| Freeze Watch | 9 | 1 | October 17, 2026 |
| Fire Weather Watch | 7 | 2 | March 28, 2026 |
| High Wind Warning | 7 | 1 | March 15, 2026 |
| Extreme Heat Warning | 6 | 3 | September 3, 2026 |
| Extreme Cold Warning | 6 | 1 | January 23, 2026 |
| Extreme Heat Watch | 5 | 2 | July 25, 2026 |
| Extreme Cold Watch | 4 | 1 | January 23, 2026 |
| Ice Storm Warning | 2 | 0 | February 6, 2019 |
| Blizzard Warning | 2 | 0 | January 5, 2025 |
| High Wind Watch | 1 | 1 | March 15, 2026 |
| Snow Squall Warning | 0 | 2 | March 15, 2026 |
Tornado history in Sullivan County
12 tornadoes have been recorded in Sullivan County since 1950, killing 1 people and injuring 7. That ranks 100 of 115 counties in Missouri. The most recent was on October 8, 2018 (rated EF0).
Strongest tornadoes in Sullivan County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| November 17, 1958 | F2 | Grundy County | 14.9 mi | 50 yd | 0 | 0 |
| April 21, 1967 | F2 | Grundy County | 6.3 mi | 50 yd | 0 | 7 |
| May 13, 2009 | EF1 | Sullivan County | 4.4 mi | 100 yd | 1 | 0 |
| January 24, 1967 | F1 | Sullivan County | 7.3 mi | 50 yd | 0 | 0 |
| August 20, 1964 | F1 | Sullivan County | 0.1 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| October 8, 2018 | EF0 | Sullivan County | 0.8 mi | 25 yd | 0 | 0 |
| July 19, 2010 | EF0 | Sullivan County | 0.1 mi | 25 yd | 0 | 0 |
| July 19, 2010 | EF0 | Sullivan County | 0 mi | 25 yd | 0 | 0 |
| May 13, 2009 | EF1 | Sullivan County | 4.4 mi | 100 yd | 1 | 0 |
| July 21, 2008 | EF0 | Sullivan County | 4.4 mi | 25 yd | 0 | 0 |
About Sullivan County
- Population: 5,750 (2024 estimate)
- State: Missouri
- NOAA Weather Radio SAME code: 029211 (how to use it)