...SLOW MOVING THUNDERSTORMS MAY PRODUCE FLOODING... .An upper level low pressure system will produce showers and thunderstorms at times as it moves slowly northeast from Iowa to Wisconsin. The storms will be moving very slowly, and produce torrential rain that could produce flooding of urban areas, small streams and basements.
Current Watches, Warnings and Advisories for Brown (WIC009) Wisconsin Issued by the National Weather Service
https://alerts.weather.gov/cap/wwacapget.php?x=WI125F5818279C.FloodWatch.125F582569C0WI.GRBFFAGRB.1ab40a7b8ed869a8ae7e184180e0b382