National Weather Service United States Department of Commerce

Fog has already started creeping inland from Lake MI and is expected to envelope the rest of the area to the southeast tonight. When driving in fog, remember to slow down, leave more following distance, and use low beam headlights.
A cold front will bring a slight chance of severe thunderstorms tonight into Saturday morning. Main threats will be damaging winds, however hail and a few tornadoes would also be possible.
Here are some travel safety tips for dense fog for this morning's commute.