National Weather Service United States Department of Commerce

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 >

Extreme Heat Warning remains in effect for all of southern Wisconsin through 10 PM CDT tonight. Heat and humidity will continue through the remainder of the weekend, but at lower levels.
Multiple rounds of storms, several potentially severe, are expected through the holiday weekend. All hazards are possible each day, but uncertainty remains with timing and storm location. Keep up to date with the latest forecasts!
After showers and storms end this morning, expecting a few hours break in storm activity before additional scattered thunderstorms develop this evening. All hazards are possible with these storms. Storms will continue through the evening, gradually weakening overnight. Remain weather aware if doing outdoor activities!