Southern Wisconsin will see its first taste of summer weather Thursday.
On Thursday, a summer-like setup for severe weather will be present across the upper Midwest. A warm front will be located across northern Wisconsin and a cold front will be over Minnesota and Iowa. This will put southern Wisconsin under a warm and increasingly humid air mass.
According to the Storm Prediction Center, there is a moderate risk for severe weather today and tonight for south-central Minnesota and north-central Iowa and a slight risk for severe thunderstorms this evening and tonight for the rest of the southern Minnesota and Iowa, as well as northern Illinois, and all of Wisconsin.
Thunderstorms will initially develop in Minnesota and Iowa, but as the cold front moves east, storms will move across Wisconsin and Illinois as well. The best chance for storms in southern Wisconsin will be this evening into the overnight hours.
Hail and high winds will be the main threats, although a few tornadoes may be possible. The best chance for a tornado will be in locations where the thunderstorms initially develop in Iowa and Minnesota.
The threat for severe thunderstorms will come to an end with the passage of the cold front later Thursday night.