McLean County weather alerts
There are no active weather alerts for McLean County, IL right now.
Since 2016 the National Weather Service has issued about 857 alerts that included McLean County, roughly 86 a year. The most common is the severe thunderstorm warning (190 from 2016 to 2025). The last tornado warning was issued on June 11, 2026. 122 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 McLean County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Ford County, Piatt County, Logan County, Tazewell County.
McLean County alert history
Alert events that included McLean County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 190 | 47 | September 15, 2026 |
| Dense Fog Advisory | 109 | 10 | August 13, 2026 |
| Wind Advisory | 84 | 6 | April 2, 2026 |
| Winter Weather Advisory | 74 | 2 | March 16, 2026 |
| Severe Thunderstorm Watch | 56 | 11 | August 21, 2026 |
| Tornado Warning | 42 | 10 | June 11, 2026 |
| Tornado Watch | 35 | 8 | June 17, 2026 |
| Flash Flood Warning | 31 | 13 | August 15, 2026 |
| Cold Weather Advisory | 31 | 5 | January 28, 2026 |
| Flood Watch | 27 | 11 | August 19, 2026 |
| Heat Advisory | 23 | 4 | August 31, 2026 |
| Freeze Warning | 22 | 2 | April 20, 2026 |
| Flood Warning | 20 | 9 | August 17, 2026 |
| Frost Advisory | 19 | 2 | October 18, 2026 |
| Flood Advisory | 18 | 5 | August 13, 2026 |
| Winter Storm Warning | 10 | 0 | December 13, 2025 |
| Winter Storm Watch | 10 | 0 | November 29, 2025 |
| Freeze Watch | 9 | 2 | April 20, 2026 |
| Red Flag Warning | 8 | 1 | February 18, 2026 |
| Extreme Heat Warning | 7 | 3 | September 2, 2026 |
| Extreme Cold Warning | 7 | 2 | January 26, 2026 |
| Extreme Heat Watch | 6 | 0 | July 23, 2025 |
| High Wind Warning | 6 | 0 | March 3, 2023 |
| Dust Storm Warning | 4 | 3 | May 4, 2026 |
| High Wind Watch | 3 | 0 | February 9, 2023 |
| Fire Weather Watch | 3 | 0 | March 14, 2025 |
| Extreme Cold Watch | 2 | 1 | January 23, 2026 |
| Ice Storm Warning | 1 | 0 | January 1, 2021 |
| Snow Squall Warning | 0 | 3 | January 14, 2026 |
Tornado history in McLean County
122 tornadoes have been recorded in McLean County since 1950, injuring 8 people. That ranks 1 of 102 counties in Illinois. The most recent was on December 28, 2025 (rated EF1).
Strongest tornadoes in McLean County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 19, 1996 | F3 | Logan County | 9.4 mi | 880 yd | 0 | 0 |
| April 3, 1974 | F3 | McLean County | 7.4 mi | 350 yd | 0 | 0 |
| June 4, 1960 | F2 | McLean County | 56.2 mi | 20 yd | 0 | 1 |
| November 13, 1951 | F2 | Mason County | 47.4 mi | 50 yd | 0 | 0 |
| August 24, 1982 | F2 | McLean County | 23.5 mi | 300 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| December 28, 2025 | EF1 | McLean County | 0.9 mi | 30 yd | 0 | 0 |
| June 18, 2025 | ? | McLean County | 0.1 mi | 30 yd | 0 | 0 |
| June 13, 2024 | EF1 | McLean County | 7.6 mi | 1,300 yd | 0 | 0 |
| June 13, 2024 | EF1 | McLean County | 0.9 mi | 60 yd | 0 | 0 |
| June 13, 2024 | EF1 | McLean County | 1.3 mi | 80 yd | 0 | 0 |
About McLean County
- Population: 172,069 (2024 estimate)
- State: Illinois
- NOAA Weather Radio SAME code: 017113 (how to use it)