Iowa County weather alerts
There are no active weather alerts for Iowa County, WI right now.
Since 2016 the National Weather Service has issued about 753 alerts that included Iowa County, roughly 75 a year. The most common is the severe thunderstorm warning (141 from 2016 to 2025). The last tornado warning was issued on July 2, 2026. 31 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 Iowa County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Richland County, Dane County, Grant County, Lafayette County.
Iowa County alert history
Alert events that included Iowa County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 141 | 34 | September 3, 2026 |
| Dense Fog Advisory | 111 | 3 | August 13, 2026 |
| Winter Weather Advisory | 100 | 10 | March 16, 2026 |
| Severe Thunderstorm Watch | 56 | 11 | August 21, 2026 |
| Cold Weather Advisory | 40 | 3 | January 26, 2026 |
| Flood Advisory | 38 | 5 | September 19, 2026 |
| Wind Advisory | 38 | 4 | May 12, 2026 |
| Frost Advisory | 31 | 5 | May 11, 2026 |
| Flood Watch | 28 | 4 | September 19, 2026 |
| Heat Advisory | 24 | 3 | July 27, 2026 |
| Winter Storm Watch | 22 | 1 | March 15, 2026 |
| Tornado Watch | 22 | 4 | June 17, 2026 |
| Winter Storm Warning | 20 | 2 | March 15, 2026 |
| Tornado Warning | 17 | 10 | July 2, 2026 |
| Freeze Warning | 14 | 2 | October 17, 2026 |
| Flash Flood Warning | 12 | 1 | April 17, 2026 |
| Extreme Heat Warning | 7 | 2 | July 27, 2026 |
| Flood Warning | 6 | 1 | April 18, 2026 |
| High Wind Warning | 5 | 1 | March 13, 2026 |
| Extreme Heat Watch | 4 | 1 | June 29, 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 | 1 | 0 | February 18, 2022 |
| Blizzard Warning | 0 | 1 | March 16, 2026 |
| Extreme Cold Watch | 0 | 2 | January 23, 2026 |
Tornado history in Iowa County
31 tornadoes have been recorded in Iowa County since 1950, killing 9 people and injuring 208. That ranks 21 of 72 counties in Wisconsin. The most recent was on July 16, 2025 (rated EF1).
Strongest tornadoes in Iowa County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 7, 1984 | F5 | Iowa County | 36 mi | 450 yd | 9 | 200 |
| July 3, 1983 | F4 | Iowa County | 0.5 mi | 50 yd | 0 | 0 |
| June 29, 2014 | EF2 | Iowa County | 29.1 mi | 400 yd | 0 | 0 |
| September 2, 1963 | F2 | Iowa County | 22.5 mi | 10 yd | 0 | 1 |
| April 18, 1955 | F2 | Iowa County | 17.3 mi | 67 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 16, 2025 | EF1 | Iowa County | 6.8 mi | 150 yd | 0 | 0 |
| March 31, 2023 | EF1 | Lafayette County | 6.6 mi | 75 yd | 0 | 0 |
| March 31, 2023 | EF1 | Iowa County | 1.1 mi | 75 yd | 0 | 0 |
| August 11, 2021 | EF0 | Iowa County | 1 mi | 25 yd | 0 | 0 |
| August 11, 2021 | EF0 | Iowa County | 0.1 mi | 25 yd | 0 | 0 |
About Iowa County
- Population: 23,963 (2024 estimate)
- State: Wisconsin
- NOAA Weather Radio SAME code: 055049 (how to use it)