Image from SPC

A Slight Risk Has been issued by the SPC for parts of the Upper Midwest in Southern Minnesota and Wisconsin as well as Northern Iowa. A stationary front located near the Minnesota Iowa boarder will be the focus for thunderstorm developing late today into the overnight hours of tonight. With unstable air in place some of these storms could turn severe. The highest risks include large hail, damaging winds and very heavy rain. There is an outside chance for a tornado. Stay tuned to the NWS or other outlet weather services should severe weather develop.