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Summary of the April 13, 2026 Hail and Tornadoes
Severe Weather Awareness Week in MN and WI - April 13-17, 2026
Skywarn Classes for 2026; Click on a Specific Class for Details Including Start Time

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Severe Thunderstorms Possible Today

Thunderstorm Timing

A strong cold front will move eastward and spawn showers and thunderstorms starting later this morning. Initial thunderstorms will pose a large hail threat across eastern Minnesota. Storms are forecast to intensify as they move into Wisconsin and may produce very large hail, damaging winds, and a few tornadoes through this afternoon.

Isolated showers and thunderstorms are forecast to develop mid to late morning and increase in coverage as they move east this afternoon. Storms will be the most intense (and possibly severe) and they exit MN and move across western WI early this afternoon. Stay weather aware!