Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

The tornado which traveled through northern Wisconsin on May 16, 2017, is now the tornado with the longest track of continuous damage in Wisconsin since modern tornado records began in 1950. The tornado's path was 83 miles long. The hardest hit areas were just north of Chetek, Wisconsin, where EF-2 damage was found, and in the Conrath area where EF-3 damage occurred. EF-0 to EF-1 damage occurred along the remainder of the tornado's path. This is the first EF-3 tornado in the state since the Verona tornado in 2014. The EF-Scale is the Enhanced Fujita Scale of tornado damage where an EF-0 is the weakest tornado and an EF-5 is the strongest. See below for the latest information.

Learn more about this destructive tornado from the National Weather Service in Chanhassen, MN.
Below is a map showing Wisconsin tornadoes so far this 2017 season. Click image for a larger view.

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Extreme Heat and Severe Thunderstorms Today

Record WI Tornado: May 16, 2017