Sauk County weather alerts
There are no active weather alerts for Sauk County, WI right now.
Since 2016 the National Weather Service has issued about 807 alerts that included Sauk County, roughly 81 a year. The most common is the severe thunderstorm warning (153 from 2016 to 2025). The last tornado warning was issued on August 18, 2026. 25 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 Sauk County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Richland County, Vernon County, Columbia County, Dane County.
Sauk County alert history
Alert events that included Sauk County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 153 | 30 | August 21, 2026 |
| Dense Fog Advisory | 102 | 5 | October 20, 2026 |
| Winter Weather Advisory | 96 | 10 | April 2, 2026 |
| Flood Warning | 51 | 7 | April 16, 2026 |
| Severe Thunderstorm Watch | 50 | 9 | August 21, 2026 |
| Cold Weather Advisory | 43 | 3 | January 26, 2026 |
| Frost Advisory | 42 | 5 | May 11, 2026 |
| Wind Advisory | 38 | 3 | May 12, 2026 |
| Flood Advisory | 34 | 1 | September 19, 2026 |
| Flood Watch | 28 | 8 | September 19, 2026 |
| Winter Storm Watch | 24 | 1 | March 15, 2026 |
| Heat Advisory | 22 | 3 | July 27, 2026 |
| Tornado Warning | 21 | 5 | August 18, 2026 |
| Winter Storm Warning | 20 | 2 | March 15, 2026 |
| Freeze Warning | 17 | 3 | October 17, 2026 |
| Flash Flood Warning | 16 | 0 | June 22, 2024 |
| Tornado Watch | 16 | 3 | April 17, 2026 |
| Extreme Heat Warning | 7 | 2 | July 27, 2026 |
| Extreme Heat Watch | 4 | 1 | June 29, 2026 |
| High Wind Warning | 4 | 2 | June 11, 2026 |
| Freeze Watch | 4 | 1 | October 17, 2026 |
| Fire Weather Watch | 4 | 0 | September 3, 2023 |
| Red Flag Warning | 4 | 0 | September 3, 2023 |
| High Wind Watch | 2 | 0 | December 16, 2021 |
| Extreme Cold Warning | 2 | 1 | January 23, 2026 |
| Snow Squall Warning | 2 | 0 | February 18, 2022 |
| Ice Storm Warning | 1 | 0 | February 19, 2018 |
| Blizzard Warning | 0 | 1 | March 16, 2026 |
| Extreme Cold Watch | 0 | 2 | January 23, 2026 |
Tornado history in Sauk County
25 tornadoes have been recorded in Sauk County since 1950, injuring 15 people. That ranks 30 of 72 counties in Wisconsin. The most recent was on May 15, 2025 (rated EF0).
Strongest tornadoes in Sauk County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 15, 1966 | F2 | Sauk County | 34.2 mi | 200 yd | 0 | 1 |
| August 18, 2005 | F2 | Sauk County | 14.5 mi | 200 yd | 0 | 0 |
| July 4, 1994 | F2 | Sauk County | 8 mi | 500 yd | 0 | 0 |
| May 25, 1965 | F2 | Sauk County | 0.3 mi | 50 yd | 0 | 8 |
| June 26, 1989 | F2 | Sauk County | 0.3 mi | 73 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 15, 2025 | EF0 | Sauk County | 0.1 mi | 20 yd | 0 | 0 |
| June 7, 2008 | EF0 | Sauk County | 0.4 mi | 25 yd | 0 | 0 |
| August 23, 2006 | F0 | Sauk County | 0.1 mi | 20 yd | 0 | 0 |
| June 6, 2006 | F1 | Columbia County | 16.9 mi | 200 yd | 0 | 0 |
| May 24, 2006 | F0 | Sauk County | 0.1 mi | 20 yd | 0 | 0 |
About Sauk County
- Population: 66,486 (2024 estimate)
- State: Wisconsin
- NOAA Weather Radio SAME code: 055111 (how to use it)