National Weather Service United States Department of Commerce

Dangerous Heat Wave Continues; Enhanced Area of Severe Thunderstorms Today

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. Widespread moderate to extreme HeatRisk is forecast. Scattered wind damage and large hail are expected from severe thunderstorms impacting parts of Nebraska into Iowa today. Read More >

Two different clusters of showers and thunderstorms are moving into southern Wisconsin late this morning. Lightning and gusty winds to 40mph will be possible with the cluster closer to the WI/IL state line. These areas of rain will likely affect the chances for storms later today.
Showers and thunderstorms are possible at times today into this evening. The risk for storms will be conditional on enough sunshine occurring. Dry periods are expected at times. The peak potential for storms will be between noon and 8 PM this evening. The better chances for strong to severe storms will be toward the Illinois border area. The main hazards are cloud-to-ground lightning, gusty winds to 60 MPH, hail to quarter size and heavy rainfall/localized flooding. Make sure to have multiple ways to receive weather information and warnings if you have outdoor plans today and this evening! Stay weather aware!
Showers and thunderstorms are possible on Independence Day into Saturday evening. The severe weather risk currently looks lower than for today. There will be some chances for showers and storms in the morning, with better chances in the afternoon/evening. Main hazards are cloud-to-ground lightning, gusty winds to 40 MPH, hail to penny size and heavy rainfall/localized flooding. 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!