...Dense fog advisory in effect until 9 am CDT Thursday...
The National Weather Service in Des Moines has issued a dense fog advisory...which is in effect until 9 am CDT Thursday.
* Visibility...visibility will fall below a quarter of a mile in many areas...and to near zero at times.
* Impacts...driving will become hazardous due to low and changing visibilities. Please drive slowly and allow extra time for travel.
A dense fog advisory means visibilities will frequently be reduced to less than one quarter mile. If driving...slow down... use your headlights...and leave plenty of distance ahead of you.