KinwarnWisconsin tornado warnings
The National Weather Service issued 449 tornado warnings, 3,481 severe thunderstorm warnings and 338 flash flood warnings for Wisconsin from 2016 to 2025, about 45, 348 and 34 a year. That ranks 23rd of 52 states and territories for tornado warnings. Rock County had the most of any county: 35 tornado warnings.
Wisconsin warnings and radar right now
Checking the National Weather Service for Wisconsin…
Wisconsin counties ranked by tornado warnings
Warnings that listed each county, 2016 to 2025, and tornadoes recorded in the county since 1950. A warning can list several counties, so the county numbers add up to more than the state total.
| County | Tornado warnings | Severe thunderstorm | Flash flood | Tornadoes since 1950 |
|---|---|---|---|---|
| Rock County | 35 | 172 | 14 | 39 |
| Dane County | 33 | 257 | 29 | 80 |
| Columbia County | 32 | 193 | 20 | 39 |
| Green County | 25 | 138 | 8 | 35 |
| Jefferson County | 23 | 181 | 8 | 51 |
| Lafayette County | 23 | 137 | 12 | 40 |
| Pierce County | 23 | 126 | 7 | 26 |
| Walworth County | 22 | 144 | 8 | 47 |
| Sauk County | 21 | 153 | 16 | 25 |
| Marathon County | 21 | 150 | 7 | 65 |
| Dodge County | 20 | 187 | 12 | 70 |
| Dunn County | 19 | 119 | 7 | 23 |
| Shawano County | 18 | 135 | 3 | 29 |
| Fond du Lac County | 18 | 117 | 8 | 59 |
| Iowa County | 17 | 141 | 12 | 33 |
| Grant County | 17 | 95 | 35 | 63 |
| Waukesha County | 14 | 153 | 14 | 41 |
| Oconto County | 13 | 123 | 2 | 16 |
| Chippewa County | 13 | 93 | 6 | 39 |
| Marquette County | 13 | 83 | 3 | 28 |
| Bayfield County | 12 | 144 | 22 | 5 |
| Langlade County | 12 | 107 | 1 | 8 |
| Clark County | 12 | 96 | 13 | 44 |
| Pepin County | 12 | 79 | 1 | 8 |
| Ashland County | 11 | 143 | 14 | 11 |
| Saint Croix County | 11 | 111 | 6 | 34 |
| Outagamie County | 11 | 108 | 7 | 36 |
| Waupaca County | 11 | 107 | 9 | 25 |
| Vernon County | 11 | 99 | 22 | 26 |
| Polk County | 11 | 92 | 3 | 35 |
| Eau Claire County | 11 | 83 | 4 | 27 |
| Barron County | 11 | 68 | 5 | 43 |
| Douglas County | 10 | 158 | 25 | 13 |
| Portage County | 10 | 121 | 4 | 25 |
| Burnett County | 10 | 117 | 16 | 16 |
| Monroe County | 10 | 95 | 18 | 27 |
| Juneau County | 10 | 81 | 10 | 29 |
| Trempealeau County | 9 | 130 | 15 | 31 |
| Buffalo County | 9 | 120 | 15 | 21 |
| Jackson County | 9 | 109 | 8 | 21 |
| Racine County | 9 | 92 | 9 | 28 |
| Green Lake County | 9 | 87 | 2 | 40 |
| Menominee County | 9 | 77 | 1 | 5 |
| Price County | 8 | 103 | 8 | 28 |
| La Crosse County | 8 | 102 | 10 | 20 |
| Lincoln County | 8 | 99 | 1 | 26 |
| Adams County | 8 | 72 | 10 | 25 |
| Kenosha County | 8 | 67 | 6 | 14 |
| Sawyer County | 7 | 155 | 14 | 9 |
| Brown County | 7 | 104 | 7 | 31 |
| Crawford County | 7 | 67 | 23 | 15 |
| Richland County | 7 | 64 | 16 | 13 |
| Waushara County | 6 | 99 | 6 | 29 |
| Wood County | 5 | 107 | 6 | 19 |
| Washburn County | 5 | 106 | 15 | 8 |
| Marinette County | 5 | 90 | 1 | 25 |
| Winnebago County | 5 | 79 | 6 | 33 |
| Rusk County | 5 | 55 | 2 | 16 |
| Washington County | 4 | 113 | 10 | 20 |
| Sheboygan County | 4 | 84 | 7 | 11 |
| Manitowoc County | 4 | 76 | 6 | 22 |
| Iron County | 3 | 88 | 8 | 7 |
| Milwaukee County | 3 | 86 | 15 | 22 |
| Ozaukee County | 3 | 77 | 13 | 5 |
| Forest County | 2 | 83 | 0 | 7 |
| Kewaunee County | 2 | 64 | 1 | 11 |
| Calumet County | 2 | 62 | 8 | 24 |
| Taylor County | 2 | 52 | 2 | 12 |
| Oneida County | 1 | 101 | 2 | 22 |
| Vilas County | 0 | 66 | 0 | 16 |
| Door County | 0 | 57 | 2 | 10 |
| Florence County | 0 | 48 | 0 | 5 |
Wisconsin warnings by year
Each warning counts once for the state, however many counties it covered. 2008 is the first full year the National Weather Service drew an outline around every warning.
Tornadoes since 1950
1,657 tornadoes have been recorded in Wisconsin since 1950, 21 of them rated 4 or 5 on the F or EF scale. They killed 101 people and injured 1,687. June had the most (468).
| Year | Tornado | Severe thunderstorm | Flash flood |
|---|---|---|---|
| 2026 to Oct 19 | 150 | 633 | 38 |
| 2025 | 81 | 388 | 40 |
| 2024 | 82 | 392 | 49 |
| 2023 | 23 | 302 | 13 |
| 2022 | 59 | 333 | 16 |
| 2021 | 57 | 351 | 20 |
| 2020 | 39 | 292 | 27 |
| 2019 | 27 | 271 | 46 |
| 2018 | 33 | 326 | 60 |
| 2017 | 34 | 494 | 20 |
| 2016 | 14 | 332 | 47 |
| 2015 | 21 | 225 | 21 |
| 2014 | 15 | 286 | 29 |
| 2013 | 34 | 328 | 33 |
| 2012 | 10 | 369 | 15 |
| 2011 | 70 | 490 | 30 |
| 2010 | 82 | 376 | 57 |
| 2009 | 41 | 153 | 35 |
| 2008 | 72 | 471 | 78 |
What stands out in Wisconsin
2024 was the busiest year for tornado warnings in Wisconsin since 2008, with 82 tornado warnings. The busiest year for flash flood warnings was 2008, with 78.
Since 2008, 2 tornado warnings and 4 flash flood warnings for Wisconsin were raised to a tornado emergency or a flash flood emergency for at least part of the warned area: the Weather Service’s rarest warning, used when a severe threat to life is happening or about to happen.
53 severe thunderstorm warnings for Wisconsin carried the “destructive” tag (winds of 80 mph or more, or hail 2.75 inches or larger) since the tag started in August 2021. Only those severe thunderstorm warnings set off Wireless Emergency Alerts on phones.
3 tornadoes in Wisconsin since 1950 were rated F5 or EF5, the strongest recorded there. The most recent was on July 18, 1996.
National Weather Service warnings from the Iowa Environmental Mesonet archive through October 19, 2026; tornado ratings from the Storm Prediction Center and NOAA Storm Events.
States next to Wisconsin
Tornado warnings for each neighboring state, 2016 to 2025.
Get alerts for a home anywhere in Wisconsin.
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Wisconsin tornado warnings: questions people ask
How many tornado warnings does Wisconsin get a year?
About 45 a year: the National Weather Service issued 449 tornado warnings for Wisconsin from 2016 to 2025, 23rd of 52 states and territories.
Which Wisconsin county gets the most tornado warnings?
Rock County has the most: 35 tornado warnings listed it from 2016 to 2025, ahead of Dane County with 33. A warning can list several counties, so county counts add up to more than the state total.
Which Wisconsin city gets the most tornado warnings?
Janesville has the most among cities and towns with 10,000 people or more: the outlines of 11 tornado warnings covered its center from 2016 to 2025.
When is tornado season in Wisconsin?
June and July: 50% of the 1,657 tornadoes recorded in Wisconsin since 1950 came in those two months. Tornadoes have struck Wisconsin in every month of the year.
About these numbers
Counts are National Weather Service warnings that listed a Wisconsin county, through October 19, 2026. How Kinwarn counts · Wisconsin data (CSV)
Cite: Kinwarn. “Wisconsin tornado warnings.” kinwarn.com/wisconsin. National Weather Service data through October 19, 2026.
Sources: IEM warning archive · NWS 2007 outlines · SPC tornado database · Census places · Census population estimates · NWS tornado alerts