De Witt County weather alerts
There are no active weather alerts for De Witt County, IL right now.
Since 2016 the National Weather Service has issued about 710 alerts that included De Witt County, roughly 71 a year. The most common is the severe thunderstorm warning (116 from 2016 to 2025). The last tornado warning was issued on June 17, 2026. 26 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 De Witt County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Piatt County, Logan County, Macon County, McLean County.
De Witt County alert history
Alert events that included De Witt County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 116 | 34 | August 16, 2026 |
| Dense Fog Advisory | 109 | 11 | August 13, 2026 |
| Wind Advisory | 84 | 6 | June 17, 2026 |
| Winter Weather Advisory | 61 | 0 | December 13, 2025 |
| Severe Thunderstorm Watch | 55 | 7 | August 13, 2026 |
| Tornado Watch | 35 | 8 | June 17, 2026 |
| Heat Advisory | 28 | 4 | August 31, 2026 |
| Cold Weather Advisory | 27 | 5 | January 28, 2026 |
| Frost Advisory | 24 | 2 | October 18, 2026 |
| Freeze Warning | 23 | 2 | April 20, 2026 |
| Tornado Warning | 22 | 10 | June 17, 2026 |
| Flood Watch | 21 | 9 | August 19, 2026 |
| Flash Flood Warning | 18 | 6 | August 20, 2026 |
| Flood Advisory | 14 | 3 | April 27, 2026 |
| Freeze Watch | 11 | 2 | April 20, 2026 |
| Winter Storm Warning | 10 | 1 | January 24, 2026 |
| Extreme Heat Warning | 7 | 3 | September 2, 2026 |
| Winter Storm Watch | 7 | 0 | November 29, 2025 |
| Extreme Heat Watch | 6 | 0 | July 23, 2025 |
| Extreme Cold Warning | 6 | 1 | January 26, 2026 |
| High Wind Warning | 5 | 0 | March 3, 2023 |
| Red Flag Warning | 5 | 0 | March 19, 2025 |
| Flood Warning | 4 | 0 | July 16, 2021 |
| High Wind Watch | 3 | 0 | February 9, 2023 |
| Fire Weather Watch | 3 | 0 | March 14, 2025 |
| Dust Storm Warning | 3 | 3 | May 12, 2026 |
| Extreme Cold Watch | 2 | 0 | January 14, 2024 |
| Ice Storm Warning | 1 | 0 | January 1, 2021 |
| Snow Squall Warning | 0 | 1 | January 14, 2026 |
Tornado history in De Witt County
26 tornadoes have been recorded in De Witt County since 1950, killing 4 people and injuring 57. That ranks 58 of 102 counties in Illinois. The most recent was on June 18, 2025 (rated EF1).
Strongest tornadoes in De Witt County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 5, 1977 | F4 | Logan County | 7.3 mi | 1,000 yd | 0 | 2 |
| June 4, 1960 | F2 | McLean County | 56.2 mi | 20 yd | 0 | 1 |
| May 30, 2003 | F2 | Logan County | 14 mi | 880 yd | 0 | 0 |
| May 30, 2003 | F2 | De Witt County | 12.8 mi | 1,100 yd | 0 | 4 |
| April 3, 1956 | F2 | De Witt County | 9.5 mi | 40 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 18, 2025 | EF1 | De Witt County | 3.6 mi | 100 yd | 0 | 0 |
| April 2, 2025 | EF0 | Logan County | 12.7 mi | 30 yd | 0 | 0 |
| June 29, 2023 | EF1 | Logan County | 14.2 mi | 800 yd | 0 | 0 |
| June 5, 2010 | EF0 | De Witt County | 5.9 mi | 300 yd | 0 | 0 |
| August 19, 2009 | EF0 | De Witt County | 2.4 mi | 15 yd | 0 | 0 |
About De Witt County
- Population: 15,319 (2024 estimate)
- State: Illinois
- NOAA Weather Radio SAME code: 017039 (how to use it)