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National Weather ServiceWisconsinTornado WarningArchive to October 16, 2026

Tornado Warnings in Wisconsin

The National Weather Service issued 81 tornado warnings for Wisconsin in 2025 and 44 a year on average in 2008-2025; in 2021-2025 it had the 22nd most of any state. 2026 through September: 150, 255% above the average of 42 for those months in 2008-2025. Dane was covered most often (72 times since 2008).

How many tornado warnings does Wisconsin get?

81 tornado warnings for Wisconsin in 2025
501001502008: 7220082009: 4120092010: 8220102011: 7220112012: 1020122013: 3420132014: 1520142015: 2120152016: 1420162017: 3420172018: 3320182019: 2720192020: 3920202021: 5720212022: 5920222023: 2320232024: 8220242025: 8120252026: 15020262008-2025 average 442026 through September: 150501001502008: 7220082009: 412010: 8220102011: 722012: 1020122013: 342014: 1520142015: 212016: 1420162017: 342018: 3320182019: 272020: 3920202021: 572022: 5920222023: 232024: 8220242025: 812026: 15020262008-2025 average 442026 through September: 150501001502008: 7220082009: 412010: 8220102011: 722012: 1020122013: 342014: 1520142015: 212016: 1420162017: 342018: 3320182019: 272020: 3920202021: 572022: 5920222023: 232024: 8220242025: 812026: 15020262008-2025 average 442026 through September: 150501001502008: 7220082009: 412010: 822011: 722012: 102013: 342014: 152015: 2120152016: 142017: 342018: 332019: 272020: 3920202021: 572022: 592023: 232024: 822025: 812026: 15020262008-2025 average 442026 through September: 150

Every tornado warning that covered part of Wisconsin. 2026 is an outline: the year is not over.

The numbers
YearCount
2026 (through September)150
202581
202482
202323
202259
202157
202039
201927
201833
201734
201614
201521
201415
201334
201210
201172
201082
200941
200872

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 16, 2026.

When in the year does Wisconsin get them?

Wisconsin's tornado warnings by month, 2008-2025
100200300Jan: 4JanFeb: 5FebMar: 2MarApr: 59AprMay: 156MayJun: 199JunJul: 208JulAug: 100AugSep: 28SepOct: 21OctNov: 9NovDec: 5Dec208100200300Jan: 4JanFeb: 5FebMar: 2MarApr: 59AprMay: 156MayJun: 199JunJul: 208JulAug: 100AugSep: 28SepOct: 21OctNov: 9NovDec: 5Dec208100200300Jan: 4JanFeb: 5FebMar: 2MarApr: 59AprMay: 156MayJun: 199JunJul: 208JulAug: 100AugSep: 28SepOct: 21OctNov: 9NovDec: 5Dec208100200300Jan: 4JFeb: 5FMar: 2MApr: 59AMay: 156MJun: 199JJul: 208JAug: 100ASep: 28SOct: 21ONov: 9NDec: 5D208

Sum of 2008-2025; the busiest month is labelled.

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 16, 2026.

Where in Wisconsin?

County or forecast zoneSince 2008Since 2023Last issued
Dane7234August 21, 2026
Rock6137July 3, 2026
Columbia6025August 18, 2026
Dodge5223August 18, 2026
Walworth5127July 27, 2026
Jefferson4825July 27, 2026
Iowa4318July 2, 2026
Grant4210July 2, 2026
Waukesha4017August 18, 2026
Green3922June 18, 2026
Racine3914July 27, 2026
Sauk3918August 18, 2026

The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 16, 2026.

The latest tornado warnings for Wisconsin in AreaZine's record

This list is AreaZine's record of the NWS alert feed, kept since April 6, 2026; the counts above come from the complete IEM archive.

Source: National Weather Service alerts (api.weather.gov).

Every tornado warning for Wisconsin in AreaZine's record

38 notices in AreaZine's record; the latest first below. Every one, oldest first: April 14, 2026 to August 18, 2026.

  1. Tornado Warning: Waukesha, WI Waukesha expired
  2. Tornado Warning: Columbia, Dane and Dodge, WI Columbia, Dane and Dodge expired
  3. Tornado Warning: Green Lake and Marquette, WI Green Lake and Marquette expired
  4. Tornado Warning: Dodge and Fond du Lac, WI Dodge and Fond du Lac expired
  5. Tornado Warning: Fond du Lac, WI Fond du Lac expired
  6. Tornado Warning: Calumet and Winnebago, WI Calumet and Winnebago expired
  7. Tornado Warning: Dodge, Jefferson and Waukesha, WI Dodge, Jefferson and Waukesha expired
  8. Tornado Warning: Marathon and Portage, WI Marathon and Portage expired
  9. Tornado Warning: Door, WI Door expired
  10. Tornado Warning: Rock, WI Rock expired
  11. Tornado Warning: Vernon, WI Vernon expired
  12. Tornado Warning: Rock, WI Rock expired
  13. Tornado Warning: Iowa County, WI Iowa County expired
  14. Tornado Warning: Marathon, WI Marathon expired
  15. Tornado Warning: Columbia, Marquette and Sauk, WI Columbia, Marquette and Sauk expired
  16. Tornado Warning: Lafayette, WI Lafayette expired
  17. Tornado Warning: Iowa County, WI Iowa County expired
  18. Tornado Warning: Kenosha, Racine and Walworth, WI Kenosha, Racine and Walworth expired
  19. Tornado Warning: Waukesha, WI Waukesha expired
  20. Tornado Warning: Langlade and Oconto, WI Langlade and Oconto expired

Source: National Weather Service alerts (api.weather.gov). A U.S. Government work, in the public domain.

What is a tornado warning?

The NWS issues a tornado warning when a tornado has been seen or weather radar indicates one in the warned area. Warnings are drawn as polygons around the storm's path and usually last 30 to 60 minutes. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Wisconsin.

How does Wisconsin compare with its neighbours?

Illinois gets the most on Wisconsin's border: 150 a year in 2021-2025.

StateA year, 2021-2025A year, 2008-2025Rank of all states
Illinois1501235th
Iowa1099310th
Minnesota777618th
Wisconsin604422nd
Michigan292628th

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 16, 2026.

More records for Wisconsin