A tornado watch is in effect for parts of western Wisconsin this evening — 13 First Alert

A late season push of warm and moist air is increasing the chance of a few thunderstorms in western Wisconsin going into tonight. State border counties, including Polk, St.

Storms have already formed over Minnesota, with an organized line expected to slide from the west to east. Croix and Pierce will be under the threat by 6pm, with the Chippewa Valley seeing most storms hold off until after 8pm.