Polk County weather alerts
There are no active weather alerts for Polk County, WI right now.
Since 2016 the National Weather Service has issued about 589 alerts that included Polk County, roughly 59 a year. The most common is the winter weather advisory (99 from 2016 to 2025). The last tornado warning was issued on June 19, 2026. 34 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 Polk County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Washington County, Chisago County, St. Croix County, Barron County.
Polk County alert history
Alert events that included Polk County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Winter Weather Advisory | 99 | 5 | April 3, 2026 |
| Severe Thunderstorm Warning | 92 | 8 | June 19, 2026 |
| Dense Fog Advisory | 64 | 8 | October 1, 2026 |
| Cold Weather Advisory | 62 | 3 | January 26, 2026 |
| Severe Thunderstorm Watch | 60 | 7 | August 25, 2026 |
| Winter Storm Warning | 40 | 3 | April 2, 2026 |
| Winter Storm Watch | 34 | 3 | April 2, 2026 |
| Flood Watch | 17 | 0 | August 18, 2025 |
| Frost Advisory | 17 | 4 | October 5, 2026 |
| Tornado Watch | 16 | 1 | October 28, 2026 |
| Wind Advisory | 14 | 1 | March 13, 2026 |
| Heat Advisory | 13 | 5 | July 25, 2026 |
| Tornado Warning | 11 | 1 | June 19, 2026 |
| Freeze Warning | 9 | 6 | October 17, 2026 |
| Extreme Cold Warning | 8 | 1 | January 23, 2026 |
| Extreme Heat Watch | 5 | 2 | July 26, 2026 |
| Extreme Heat Warning | 5 | 3 | July 26, 2026 |
| Fire Weather Watch | 4 | 1 | May 15, 2026 |
| Red Flag Warning | 4 | 1 | May 15, 2026 |
| Flash Flood Warning | 3 | 0 | August 29, 2024 |
| Freeze Watch | 3 | 1 | October 17, 2026 |
| Extreme Cold Watch | 3 | 1 | January 23, 2026 |
| High Wind Warning | 2 | 0 | December 16, 2021 |
| High Wind Watch | 1 | 0 | March 7, 2017 |
| Flood Warning | 1 | 0 | June 29, 2020 |
| Ice Storm Warning | 1 | 0 | March 5, 2022 |
| Blizzard Warning | 1 | 1 | March 15, 2026 |
Tornado history in Polk County
34 tornadoes have been recorded in Polk County since 1950, killing 7 people and injuring 61. That ranks 18 of 72 counties in Wisconsin. The most recent was on June 18, 2024 (rated EF1).
Strongest tornadoes in Polk County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 23, 1952 | F3 | Polk County | 18.2 mi | 100 yd | 2 | 6 |
| May 16, 2017 | EF3 | Polk County | 82.5 mi | 1,320 yd | 1 | 25 |
| July 30, 1977 | F3 | St. Croix County | 9.1 mi | 200 yd | 0 | 0 |
| May 10, 1953 | F2 | Pierce County | 105.7 mi | 100 yd | 4 | 27 |
| July 10, 1966 | F2 | Polk County | 2 mi | 10 yd | 0 | 2 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 18, 2024 | EF1 | Polk County | 5 mi | 100 yd | 0 | 0 |
| May 9, 2022 | EF0 | Polk County | 0.7 mi | 50 yd | 0 | 0 |
| July 21, 2020 | EF0 | Polk County | 0.2 mi | 25 yd | 0 | 0 |
| July 28, 2019 | EF0 | Polk County | 4.8 mi | 100 yd | 0 | 0 |
| July 19, 2019 | EF0 | Polk County | 0.9 mi | 75 yd | 0 | 0 |
About Polk County
- Population: 45,831 (2024 estimate)
- State: Wisconsin
- NOAA Weather Radio SAME code: 055095 (how to use it)