The Weather Network
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Active AlertsShannon, IL

Weather Maps
Dense Fog Advisory
Issued at Fri 2:44 AM May. 17
Issued by: National Weather Service
Recommended Action

If driving, slow down, use your low beam headlights, and leaveplenty of braking distance ahead of you.

Description

* WHAT...Visibility one quarter of a mile or less in dense fog.* WHERE...Portions of north central, northwest, and west centralIllinois, east central and southeast Iowa, and northeast Missouri.* WHEN...Until 9 AM CDT this morning.* IMPACTS...Low visibility could make driving conditions hazardous.