National Weather Service United States Department of Commerce

Dangerous Heat Wave Continues; Severe Thunderstorms and Heavy Rain from the Central Plains to the Midwest

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorm are expected from the northern/central Plains to the Mid-Atlantic. Isolated slash flooding is possible from the central Plains to the Upper Midwest. Read More >

Isolated to scattered thunderstorms will continue to develop over southwest WI and move east to northeast into south central WI. Additional storms may develop later over southeast WI. Cloud-to-ground lightning and wind gusts to 30 mph can be expected with any storms.
Scattered showers and thunderstorms are expected to redevelop late this afternoon and evening mainly along and south of a line from Madison to Milwaukee with only slight chances of showers and storms to the north. There is a low potential for severe storms near the IL border. Make sure to have multiple ways to receive weather information and warnings if you have outdoor plans today and this evening! Stay weather aware!
There are chances for showers and thunderstorms in the morning but showers and thunderstorms will become likely in the afternoon and linger into the evening. Main hazards are cloud-to-ground lightning, gusty winds to 35 MPH, and localized heavy rainfall. Make sure to have multiple ways to receive weather information and warnings if you have outdoor plans on Independence Day and Saturday night! Stay weather aware!