National Weather Service United States Department of Commerce

Intense period of storms expected this afternoon and evening. High-end impacts are likely for a lot of southern WI. There is an increased risk for tornadoes toward the WI/IL border.
The peak time for intense storms to be rolling across southern Wisconsin is between 3 and 7 PM. Storms will start becoming strong west of Lone Rock and Platteville between 1 and 4 PM, then track eastward, gradually evolving into a north-south line from mid afternoon through early evening. All hazards are possible, with highest confidence in the strongest storms (and tornado risk) near the Illinois border).
Thunderstorms can escalate quickly! Have multiple ways to receive warnings. Be prepared to head to safety when storms develop. There is more information about the upcoming storm potential in the Packet that is linked at the top right of our homepage: https://www.weather.gov/mkx