Alertes en vigueurLayfield, IL

If driving, slow down, use your headlights, and leave plenty ofdistance ahead of you.

* WHAT...Visibility as low as one quarter mile in dense fog.* WHERE...Portions of southern Illinois, southwest Indiana, westernKentucky, and southeast Missouri.* WHEN...Until 8 AM CDT /9 AM EDT/ this morning.* IMPACTS...Low visibility could make driving conditions hazardous.