* WHAT…Areas of dense fog reducing visibility locally near zero. * WHERE…Lake IL and Northern Cook Counties. * WHEN…Until 9 AM CDT this morning. * IMPACTS…Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS…Due to the patchy nature of the dense fog, motorists should be prepared to encounter sudden, dramatic drops in visibility to near zero.
Source: National Weather Service
Indexed: Tue, 20 Oct 2026 09:20:23 UTC
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