Warm and moist air has pooled along a frontal boundary, which has remained stalled over the area, allowing for the fog to form. While the timing is likely to be earlier for counties along the Lake Michigan shoreline, all areas are going to experience reduced visibilities of one quarter mile or less, creating hazardous driving conditions.
If you need to drive, please slow down, leave plenty of distance ahead of you and use your low beam headlights.
Changes coming later in the week signal return to below normal temps
The NWS also advised that while a warm southerly wind ahead of an approaching low pressure system and cold front will bring above normal temperatures to the area Wednesday and Thursday, but will set up a likelihood for strong to severe storms by early Thursday evening.
Temps by the weekend will struggle to reach the lower 40s in the wake of the system, the NWS stated.