Calumet County weather alerts
There are no active weather alerts for Calumet County, WI right now.
Since 2016 the National Weather Service has issued about 553 alerts that included Calumet County, roughly 55 a year. The most common is the winter weather advisory (114 from 2016 to 2025). The last tornado warning was issued on July 27, 2026. 24 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 Calumet County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Manitowoc County, Outagamie County, Fond du Lac County, Winnebago County.
Calumet County alert history
Alert events that included Calumet County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Winter Weather Advisory | 114 | 8 | April 2, 2026 |
| Severe Thunderstorm Warning | 62 | 14 | September 4, 2026 |
| Dense Fog Advisory | 53 | 9 | October 23, 2026 |
| Flood Advisory | 42 | 11 | September 15, 2026 |
| Cold Weather Advisory | 42 | 3 | January 26, 2026 |
| Wind Advisory | 39 | 1 | March 13, 2026 |
| Severe Thunderstorm Watch | 35 | 9 | August 18, 2026 |
| Frost Advisory | 27 | 5 | May 8, 2026 |
| Winter Storm Warning | 25 | 1 | March 15, 2026 |
| Winter Storm Watch | 24 | 1 | March 15, 2026 |
| Flood Watch | 22 | 5 | July 2, 2026 |
| Freeze Warning | 15 | 3 | October 17, 2026 |
| Heat Advisory | 13 | 2 | July 13, 2026 |
| Tornado Watch | 9 | 4 | July 20, 2026 |
| Flash Flood Warning | 8 | 2 | July 2, 2026 |
| Flood Warning | 5 | 2 | April 14, 2026 |
| Blizzard Warning | 3 | 1 | March 15, 2026 |
| High Wind Warning | 3 | 0 | November 5, 2022 |
| Snow Squall Warning | 3 | 0 | December 4, 2024 |
| Tornado Warning | 2 | 2 | July 27, 2026 |
| Extreme Cold Warning | 2 | 1 | January 23, 2026 |
| Extreme Heat Warning | 1 | 1 | June 29, 2026 |
| Freeze Watch | 1 | 1 | October 17, 2026 |
| High Wind Watch | 1 | 0 | December 16, 2021 |
| Fire Weather Watch | 1 | 0 | April 12, 2023 |
| Red Flag Warning | 1 | 0 | April 12, 2023 |
| Extreme Cold Watch | 0 | 1 | January 23, 2026 |
| Extreme Heat Watch | 0 | 1 | June 29, 2026 |
Tornado history in Calumet County
24 tornadoes have been recorded in Calumet County since 1950, killing 2 people and injuring 13. That ranks 37 of 72 counties in Wisconsin. The most recent was on August 28, 2018 (rated EF1).
Strongest tornadoes in Calumet County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 18, 1996 | F2 | Calumet County | 6.4 mi | 200 yd | 1 | 1 |
| August 9, 1979 | F2 | Calumet County | 0.1 mi | 10 yd | 1 | 0 |
| May 8, 1964 | F2 | Winnebago County | 30.6 mi | 63 yd | 0 | 5 |
| June 30, 1967 | F2 | Calumet County | 5.9 mi | 100 yd | 0 | 1 |
| June 20, 1954 | F2 | Calumet County | 0.5 mi | 33 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 28, 2018 | EF1 | Calumet County | 1 mi | 75 yd | 0 | 0 |
| June 15, 2016 | ? | Calumet County | 0.7 mi | 25 yd | 0 | 0 |
| August 6, 2013 | EF1 | Outagamie County | 20.7 mi | 175 yd | 0 | 0 |
| August 23, 2011 | EF0 | Calumet County | 0.5 mi | 100 yd | 0 | 0 |
| April 10, 2011 | EF1 | Calumet County | 1.7 mi | 100 yd | 0 | 0 |
About Calumet County
- Population: 53,602 (2024 estimate)
- State: Wisconsin
- NOAA Weather Radio SAME code: 055015 (how to use it)