If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST THURSDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Winnebago, Boone, Ogle, Lee and De Kalb Counties.
* WHEN...Until 9 AM CST Thursday.
* IMPACTS...Hazardous driving conditions due to low visibility.