Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region Read More >

Updated 9/30/25

2025 Update: An EF-0 tornado occurred near Mt. Sterling on Sept. 22nd. This is the 39th tornado to be documented in WI this year, which is the 6th most in Wisconsin's history going back to 1950. 4 EF2s, 13 EF1s, 20 EF0s and 2 EF Unknown (U) have been documented. On average, Wisconsin has 23 tornadoes that occur throughout the full year.