Randolph County weather alerts
There are no active weather alerts for Randolph County, IL right now.
Since 2016 the National Weather Service has issued about 724 alerts that included Randolph County, roughly 72 a year. The most common is the severe thunderstorm warning (140 from 2016 to 2025). The last tornado warning was issued on April 4, 2026. 40 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 Randolph County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring St. Clair County, Perry County, Monroe County, Ste. Genevieve County.
Randolph County alert history
Alert events that included Randolph County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 140 | 13 | August 12, 2026 |
| Severe Thunderstorm Watch | 69 | 6 | July 10, 2026 |
| Dense Fog Advisory | 65 | 2 | March 6, 2026 |
| Flood Watch | 50 | 4 | July 9, 2026 |
| Winter Weather Advisory | 50 | 0 | December 1, 2025 |
| Tornado Watch | 44 | 3 | June 21, 2026 |
| Wind Advisory | 40 | 3 | June 17, 2026 |
| Flood Warning | 39 | 4 | July 11, 2026 |
| Heat Advisory | 36 | 7 | September 15, 2026 |
| Freeze Warning | 30 | 2 | November 7, 2026 |
| Tornado Warning | 28 | 2 | April 4, 2026 |
| Frost Advisory | 22 | 1 | October 18, 2026 |
| Flood Advisory | 21 | 2 | July 11, 2026 |
| Flash Flood Warning | 19 | 2 | July 11, 2026 |
| Extreme Heat Warning | 10 | 4 | September 3, 2026 |
| Freeze Watch | 10 | 0 | November 2, 2025 |
| Winter Storm Warning | 10 | 1 | January 24, 2026 |
| Red Flag Warning | 10 | 1 | March 29, 2026 |
| Cold Weather Advisory | 10 | 3 | January 27, 2026 |
| Winter Storm Watch | 10 | 1 | January 24, 2026 |
| Extreme Heat Watch | 3 | 3 | August 31, 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 Randolph County
40 tornadoes have been recorded in Randolph County since 1950, killing 1 people and injuring 5. That ranks 29 of 102 counties in Illinois. The most recent was on May 19, 2025 (rated EF1).
Strongest tornadoes in Randolph County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| December 18, 1957 | F3 | Randolph County | 20.2 mi | 10 yd | 0 | 0 |
| December 18, 1957 | F3 | Randolph County | 17.7 mi | 10 yd | 0 | 0 |
| December 18, 1957 | F3 | Randolph County | 5.7 mi | 10 yd | 0 | 0 |
| April 5, 1985 | F2 | Randolph County | 1.8 mi | 50 yd | 1 | 3 |
| March 29, 1960 | F2 | Randolph County | 22.3 mi | 130 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 19, 2025 | EF1 | Randolph County | 0.5 mi | 25 yd | 0 | 0 |
| April 20, 2025 | EF1 | Randolph County | 1.3 mi | 75 yd | 0 | 0 |
| August 30, 2024 | EF0 | Randolph County | 0.1 mi | 20 yd | 0 | 0 |
| October 13, 2014 | EF0 | Randolph County | 0.3 mi | 50 yd | 0 | 0 |
| March 8, 2009 | EF0 | Randolph County | 3.6 mi | 50 yd | 0 | 0 |
About Randolph County
- Population: 29,903 (2024 estimate)
- State: Illinois
- NOAA Weather Radio SAME code: 017157 (how to use it)