Marion County weather alerts
There are no active weather alerts for Marion County, IL right now.
Since 2016 the National Weather Service has issued about 674 alerts that included Marion County, roughly 67 a year. The most common is the severe thunderstorm warning (105 from 2016 to 2025). The last tornado warning was issued on June 21, 2026. 38 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 Marion County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Fayette County, Jefferson County, Wayne County, Clay County.
Marion County alert history
Alert events that included Marion County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 105 | 14 | August 22, 2026 |
| Dense Fog Advisory | 67 | 3 | March 6, 2026 |
| Severe Thunderstorm Watch | 66 | 3 | July 26, 2026 |
| Wind Advisory | 47 | 3 | June 17, 2026 |
| Winter Weather Advisory | 46 | 0 | December 1, 2025 |
| Flood Watch | 44 | 5 | June 25, 2026 |
| Tornado Watch | 42 | 5 | June 21, 2026 |
| Flood Advisory | 38 | 5 | June 28, 2026 |
| Freeze Warning | 32 | 2 | November 7, 2026 |
| Heat Advisory | 31 | 8 | September 15, 2026 |
| Flash Flood Warning | 24 | 5 | June 27, 2026 |
| Tornado Warning | 22 | 10 | June 21, 2026 |
| Flood Warning | 21 | 0 | April 5, 2025 |
| Frost Advisory | 19 | 1 | October 18, 2026 |
| Cold Weather Advisory | 12 | 5 | January 28, 2026 |
| Winter Storm Warning | 10 | 1 | January 24, 2026 |
| Winter Storm Watch | 10 | 1 | January 24, 2026 |
| Extreme Heat Warning | 9 | 4 | September 3, 2026 |
| Freeze Watch | 9 | 0 | November 2, 2025 |
| Red Flag Warning | 5 | 1 | March 29, 2026 |
| Extreme Heat Watch | 4 | 1 | July 26, 2026 |
| High Wind Warning | 3 | 0 | March 5, 2025 |
| Extreme Cold Warning | 3 | 1 | January 26, 2026 |
| Extreme Cold Watch | 2 | 0 | December 22, 2022 |
| Ice Storm Warning | 1 | 0 | January 13, 2017 |
| High Wind Watch | 1 | 0 | March 14, 2019 |
| Fire Weather Watch | 1 | 0 | October 17, 2020 |
Tornado history in Marion County
38 tornadoes have been recorded in Marion County since 1950, killing 2 people and injuring 13. That ranks 35 of 102 counties in Illinois. The most recent was on July 29, 2024 (rated unknown).
Strongest tornadoes in Marion County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 14, 1953 | F2 | Washington County | 42.3 mi | 200 yd | 0 | 0 |
| March 20, 1976 | F2 | St. Clair County | 39 mi | 250 yd | 0 | 0 |
| April 19, 1996 | F2 | Marion County | 20 mi | 150 yd | 0 | 7 |
| May 26, 2024 | EF2 | Marion County | 8.3 mi | 500 yd | 0 | 0 |
| April 15, 1998 | F2 | Jefferson County | 5.5 mi | 250 yd | 0 | 1 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 29, 2024 | ? | Marion County | 0.1 mi | 10 yd | 0 | 0 |
| May 26, 2024 | EF2 | Marion County | 8.3 mi | 500 yd | 0 | 0 |
| May 26, 2024 | EF1 | Marion County | 1.1 mi | 325 yd | 0 | 0 |
| May 26, 2024 | EF1 | Clinton County | 18.5 mi | 325 yd | 0 | 0 |
| April 7, 2024 | EF1 | Marion County | 1.3 mi | 25 yd | 0 | 0 |
About Marion County
- Population: 36,437 (2024 estimate)
- State: Illinois
- NOAA Weather Radio SAME code: 017121 (how to use it)