WHAT
Visibility one quarter mile or less in dense fog.
WHERE
In Illinois, Henry IL and Rock Island Counties. In Iowa, Cedar, Clinton, Jackson, Jones, Scott, Buchanan, Delaware, and Dubuque Counties.
WHEN
Until 9 AM CST this morning.
IMPACTS
Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
