AREAS OF DENSE FOG IS EXPECTED ACROSS CENTRAL AND EAST- CENTRAL WISCONSIN OVERNIGHT... Areas of dense fog, with visibilities of 1 mile or less, will continue or expand across the area overnight. Visibilities could approach one quarter of a mile at times. The dense fog is expected to continue through Wednesday morning and could impact the morning commute. Motorists traveling across the region overnight into Wednesday morning can expect rapidly changing and poor visibilities at times. Remember to turn on your low-beam headlights and allow extra distance between you and the car in front of you