Osceola County weather alerts
There are no active weather alerts for Osceola County, IA right now.
Since 2016 the National Weather Service has issued about 958 alerts that included Osceola County, roughly 96 a year. The most common is the severe thunderstorm warning (152 from 2016 to 2025). The last tornado warning was issued on September 2, 2026. 30 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 Osceola County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring O'Brien County, Nobles County, Jackson County, Dickinson County.
Osceola County alert history
Alert events that included Osceola County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 152 | 27 | September 2, 2026 |
| Dense Fog Advisory | 122 | 8 | September 30, 2026 |
| Winter Weather Advisory | 107 | 5 | March 7, 2026 |
| Wind Advisory | 101 | 2 | June 17, 2026 |
| Severe Thunderstorm Watch | 74 | 13 | September 2, 2026 |
| Cold Weather Advisory | 66 | 4 | March 16, 2026 |
| Heat Advisory | 38 | 6 | July 27, 2026 |
| Red Flag Warning | 38 | 7 | May 14, 2026 |
| Winter Storm Watch | 36 | 1 | March 15, 2026 |
| Fire Weather Watch | 24 | 3 | March 28, 2026 |
| Flash Flood Warning | 22 | 1 | September 6, 2026 |
| Winter Storm Warning | 21 | 0 | December 6, 2025 |
| Flood Watch | 20 | 2 | September 6, 2026 |
| Blizzard Warning | 16 | 2 | March 15, 2026 |
| Frost Advisory | 15 | 4 | May 20, 2026 |
| Freeze Warning | 14 | 2 | October 17, 2026 |
| Tornado Watch | 14 | 3 | June 10, 2026 |
| Tornado Warning | 13 | 1 | September 2, 2026 |
| Extreme Cold Warning | 13 | 1 | January 23, 2026 |
| Flood Warning | 12 | 0 | June 24, 2024 |
| High Wind Warning | 11 | 2 | March 15, 2026 |
| Extreme Heat Warning | 10 | 1 | July 25, 2026 |
| Extreme Heat Watch | 8 | 0 | July 27, 2025 |
| Extreme Cold Watch | 4 | 1 | January 23, 2026 |
| Ice Storm Warning | 3 | 0 | January 2, 2023 |
| Freeze Watch | 2 | 1 | October 17, 2026 |
| High Wind Watch | 2 | 1 | March 13, 2026 |
Tornado history in Osceola County
30 tornadoes have been recorded in Osceola County since 1950, injuring 19 people. That ranks 59 of 99 counties in Iowa. The most recent was on August 20, 2021 (rated EF0).
Strongest tornadoes in Osceola County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 25, 2010 | EF4 | Lyon County | 13.7 mi | 800 yd | 0 | 13 |
| May 31, 1971 | F3 | Osceola County | 8.6 mi | 250 yd | 0 | 0 |
| August 7, 1994 | F3 | Osceola County | 4.5 mi | 73 yd | 0 | 1 |
| June 14, 1981 | F2 | Osceola County | 21.9 mi | 1,533 yd | 0 | 0 |
| May 5, 1965 | F2 | O'Brien County | 21.8 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 20, 2021 | EF0 | Osceola County | 3.6 mi | 30 yd | 0 | 0 |
| August 8, 2021 | EF0 | Osceola County | 2.4 mi | 50 yd | 0 | 0 |
| August 8, 2021 | ? | Osceola County | 0.8 mi | 40 yd | 0 | 0 |
| August 18, 2017 | EF2 | Osceola County | 5.1 mi | 250 yd | 0 | 0 |
| August 18, 2017 | EF1 | Osceola County | 1.6 mi | 100 yd | 0 | 0 |
About Osceola County
- Population: 6,036 (2024 estimate)
- State: Iowa
- NOAA Weather Radio SAME code: 019143 (how to use it)