If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 PM CST /11 PM EST/
THIS EVENING...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of central, east central, north central and
northeast Illinois and northwest Indiana.
* WHEN...Until 10 PM CST /11 PM EST/ this evening.
* IMPACTS...Hazardous driving conditions due to low visibility.
* ADDITIONAL DETAILS...An improvement in visibility may occur as
rain spreads across the area this evening. Fog may become dense
again Friday morning.