A fast moving and relatively weak weather system will move through the Great Lakes region this evening and overnight, bringing between a half inch to two inches of snow to the Badger state. Southern Wisconsin will generally see a half inch of snow or less, with one to two inches expected over central and northern Wisconsin. Once the low passes by, brisk northwest winds will kick in late tonight and Saturday. See the statewide and southern Wisconsin snow maps below.
The animation below shows the progression of the low pressure system as it moves across Minnesota and Wisconsin (a rough outline of the snow areas is in green.) Note the winds will pick up from the northwest as the low passes by.