Areas of shallow fog developed early this morning across portions of the area, with visibilities less than 1SM observed. There are patches of dense fog where visibility is around 1/4 SM or less, especially in low lying areas and near open fields. Expect improvement through the morning.
If traveling early this morning, be prepared for sudden reductions in visibility over short distances. Slow down, use low beam headlights and increase following distances in fog. Be especially cautious in school zones.