National Weather Service United States Department of Commerce

An EF0 has been confirmed at 8 PM. Winds were 70 mph. 

National Weather Service personnel will be conducting a storm survey of the Delavan area in Walworth County on Tuesday.  A possible tornado may have touched down in the Delavan area around 8 pm Monday evening.  Here is a radar image from 8:01 pm showing the possible weak tornado.  

picture