Severe Weather Climatology
Steve Thompson, meteorologist
National Weather Service - La Crosse


What month are tornadoes most likely for this part of the country? What time of the day? Following are the 4 basic types of severe weather and answers to just those kind of questions. The graphs and numbers are based on reports received for the NWS-La Crosse's warning area (western Wisconsin, southeast Minnesota, and northeast Iowa).

Hail (3/4 inch or greater)
  • Months where severe hail is more likely.
  • Time of day when severe hail is more likely.
Damaging winds (58 mph or greater)
Flash flooding
Tornadoes

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