National Weather Service United States Department of Commerce

Scattered strong storms will move northeast into areas southwest of Madison this evening, with a line of storms moving east later tonight. Some severe storms are possible, with the best chances in south central Wisconsin. Damaging winds are the main hazard, with a brief spin-up tornado possible in south central Wisconsin. Some heavy rainfall may occur, with the best potential southwest of Madison. Stay weather aware into tonight if you have any outdoor plans!
Here is the expected timeline of events for the thunderstorms into tonight.
With the ground still saturated and rivers running high, additional rain may lead to more localized flooding, or prolong ongoing flooding. Above is a map of the expected rainfall from the thunderstorms through tonight. Note that southwestern Wisconsin has the highest expected amounts. Areas further east are expected to receive less rainfall.