National Weather Service United States Department of Commerce

Showers and isolated thunderstorms will continue to move rapidly north/northeast across southern Wisconsin this morning.
Temperatures will be trending towards more fall like levels this week as colder air works in. There will be periods of showers and isolated thunderstorms today with more shower chances the first half of the week. Colder air arrives with a fury on Tuesday with blustery northwest winds.
The potential for freezing temperatures has increased for next weekend. Colder air arrives next Tuesday and continues into late next week. Highs will drop into the upper 40s and 50s, with lows in the 30s and 40s. Take measures to protect or bring sensitive vegetation indoors.