...AREAS OF FOG TO PERSIST THIS MORNING... The combination of light winds and abundant low-level moisture will result in areas of fog across eastern Wisconsin this morning. Some of this fog may become locally dense at times. Motorists are urged to slow down and only use your low-beam headlights. Be prepared for rapid changes in visibility.
Current Watches, Warnings and Advisories for Brown (WIC009) Wisconsin Issued by the National Weather Service
https://alerts.weather.gov/cap/wwacapget.php?x=WI125F70E29CF8.SpecialWeatherStatement.125F70E37D30WI.GRBSPSGRB.670272ffdeab82d92d5ab990673d0435