Winona County weather alerts
There are no active weather alerts for Winona County, MN right now.
Since 2016 the National Weather Service has issued about 755 alerts that included Winona County, roughly 76 a year. The most common is the severe thunderstorm warning (140 from 2016 to 2025). The last tornado warning was issued on April 17, 2026. 19 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 Winona County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Olmsted County, Houston County, Buffalo County, Wabasha County.
Winona County alert history
Alert events that included Winona County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 140 | 17 | September 2, 2026 |
| Winter Weather Advisory | 94 | 6 | April 2, 2026 |
| Dense Fog Advisory | 68 | 2 | April 14, 2026 |
| Severe Thunderstorm Watch | 59 | 13 | September 2, 2026 |
| Cold Weather Advisory | 52 | 3 | January 26, 2026 |
| Winter Storm Watch | 42 | 1 | March 15, 2026 |
| Flood Warning | 36 | 0 | June 27, 2025 |
| Wind Advisory | 36 | 2 | May 12, 2026 |
| Flood Watch | 35 | 3 | September 19, 2026 |
| Winter Storm Warning | 33 | 1 | March 15, 2026 |
| Heat Advisory | 24 | 2 | July 27, 2026 |
| Frost Advisory | 22 | 5 | May 11, 2026 |
| Freeze Warning | 21 | 2 | October 17, 2026 |
| Tornado Watch | 21 | 2 | April 17, 2026 |
| Flood Advisory | 16 | 4 | September 15, 2026 |
| Flash Flood Warning | 15 | 1 | July 1, 2026 |
| Tornado Warning | 8 | 2 | April 17, 2026 |
| Extreme Heat Warning | 5 | 2 | July 26, 2026 |
| Extreme Cold Warning | 5 | 1 | January 23, 2026 |
| Red Flag Warning | 5 | 1 | March 28, 2026 |
| Blizzard Warning | 4 | 1 | March 15, 2026 |
| Extreme Heat Watch | 3 | 2 | July 26, 2026 |
| Fire Weather Watch | 3 | 0 | October 17, 2024 |
| High Wind Watch | 2 | 1 | March 13, 2026 |
| High Wind Warning | 2 | 1 | March 13, 2026 |
| Freeze Watch | 2 | 1 | October 17, 2026 |
| Extreme Cold Watch | 2 | 1 | January 23, 2026 |
Tornado history in Winona County
19 tornadoes have been recorded in Winona County since 1950, injuring 2 people. That ranks 63 of 87 counties in Minnesota. The most recent was on June 25, 2025 (rated EF0).
Strongest tornadoes in Winona County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 5, 1980 | F2 | Winona County | 5.7 mi | 100 yd | 0 | 0 |
| July 8, 1999 | F2 | Winona County | 3.5 mi | 100 yd | 0 | 2 |
| September 4, 2018 | EF1 | Fillmore County | 5.1 mi | 50 yd | 0 | 0 |
| June 15, 1967 | F1 | Winona County | 4.5 mi | 300 yd | 0 | 0 |
| September 11, 2019 | EF1 | Winona County | 0.2 mi | 80 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 25, 2025 | EF0 | Winona County | 1.4 mi | 25 yd | 0 | 0 |
| July 23, 2022 | EF0 | Winona County | 1.3 mi | 30 yd | 0 | 0 |
| April 12, 2022 | EF0 | Winona County | 1.8 mi | 20 yd | 0 | 0 |
| April 12, 2022 | EF0 | Winona County | 3.1 mi | 70 yd | 0 | 0 |
| December 15, 2021 | EF0 | Winona County | 0.6 mi | 40 yd | 0 | 0 |
About Winona County
- Population: 49,973 (2024 estimate)
- State: Minnesota
- NOAA Weather Radio SAME code: 027169 (how to use it)