National Weather Service United States Department of Commerce

Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. 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!