Patchy to areas of fog will affect the morning commute across the region. Motorists may encounter fluctuating visibilities ranging from good to poor in short distances. The fog is expected to lift by mid morning. If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.

Areas of dense fog will affect central, western, and southern Michigan early this morning. Visibility may drop below a quarter of a mile in spots. Drivers should slow down, use low-beam headlights, and allow extra time to reach their destination.

Fog has reduced visibility to 1/4 mile or less at some locations this morning. Visibility is highly variable across the area. Motorists should slow down and use their low- beam headlights when encountering fog. Fog will mix out soon after sunrise.

WEATHER. * Areas of fog, locally dense, will impact southeastern Michigan through the morning commute. IMPACTS. * Locally dense fog is expected to reduce visibilities to near zero at times. Rapid fluctuations of visibility may occur.