Marion County weather alerts
There are no active weather alerts for Marion County, IA right now.
Since 2016 the National Weather Service has issued about 874 alerts that included Marion County, roughly 87 a year. The most common is the severe thunderstorm warning (191 from 2016 to 2025). The last tornado warning was issued on June 6, 2026. 47 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 Warren County, Mahaska County, Polk County, Jasper 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 | 191 | 34 | October 9, 2026 |
| Dense Fog Advisory | 110 | 6 | September 17, 2026 |
| Winter Weather Advisory | 77 | 2 | March 16, 2026 |
| Severe Thunderstorm Watch | 74 | 10 | August 13, 2026 |
| Wind Advisory | 71 | 3 | April 8, 2026 |
| Heat Advisory | 46 | 3 | August 31, 2026 |
| Flood Watch | 38 | 8 | September 30, 2026 |
| Cold Weather Advisory | 38 | 3 | January 26, 2026 |
| Tornado Warning | 38 | 5 | June 6, 2026 |
| Tornado Watch | 31 | 10 | July 20, 2026 |
| Freeze Warning | 21 | 1 | October 17, 2026 |
| Winter Storm Watch | 20 | 1 | March 15, 2026 |
| Winter Storm Warning | 18 | 0 | November 28, 2025 |
| Red Flag Warning | 15 | 3 | March 28, 2026 |
| Frost Advisory | 14 | 2 | May 2, 2026 |
| Extreme Heat Watch | 9 | 2 | July 27, 2026 |
| Flood Warning | 8 | 6 | October 4, 2026 |
| Extreme Heat Warning | 7 | 2 | July 26, 2026 |
| Flash Flood Warning | 7 | 3 | June 6, 2026 |
| Freeze Watch | 7 | 1 | October 17, 2026 |
| Fire Weather Watch | 7 | 2 | March 28, 2026 |
| Extreme Cold Warning | 6 | 1 | January 23, 2026 |
| High Wind Warning | 5 | 3 | May 17, 2026 |
| Snow Squall Warning | 5 | 0 | December 28, 2025 |
| Blizzard Warning | 3 | 1 | March 15, 2026 |
| Extreme Cold Watch | 3 | 1 | January 23, 2026 |
| High Wind Watch | 3 | 2 | March 15, 2026 |
| Ice Storm Warning | 2 | 0 | December 14, 2024 |
Tornado history in Marion County
47 tornadoes have been recorded in Marion County since 1950, injuring 35 people. That ranks 18 of 99 counties in Iowa. The most recent was on May 7, 2024 (rated EF0).
Strongest tornadoes in Marion County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 8, 1999 | F3 | Lucas County | 39 mi | 0 yd | 0 | 5 |
| June 22, 2015 | EF3 | Marion County | 11.1 mi | 575 yd | 0 | 0 |
| July 19, 2018 | EF3 | Marion County | 9.2 mi | 800 yd | 0 | 13 |
| September 30, 2007 | EF2 | Marion County | 21.9 mi | 1,250 yd | 0 | 0 |
| May 30, 2008 | EF2 | Marion County | 19.2 mi | 900 yd | 0 | 10 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 7, 2024 | EF0 | Marion County | 5 mi | 80 yd | 0 | 0 |
| May 13, 2023 | EF0 | Marion County | 0.9 mi | 50 yd | 0 | 0 |
| May 13, 2023 | ? | Marion County | 0.3 mi | 30 yd | 0 | 0 |
| May 13, 2023 | EF0 | Marion County | 0.7 mi | 40 yd | 0 | 0 |
| May 13, 2023 | EF0 | Marion County | 0.5 mi | 50 yd | 0 | 0 |
About Marion County
- Population: 34,048 (2024 estimate)
- State: Iowa
- NOAA Weather Radio SAME code: 019125 (how to use it)