Dense Fog Advisory

Locations Affected

Cedar Rapids, IA ∙ Iowa City, IA ∙ Dubuque, IA ∙ Keystone, IA ∙ Shellsburg, IA ∙ Ely, IA ∙ Stanwood, IA ∙ Sherrill, IA ∙ Hills, IA ∙ Clarence, IA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Quad Cities IA IL 708 AM CST Thu Nov 20 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS MORNING... * WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...In Illinois, Jo Daviess County. In Iowa, Cedar, Iowa, Jackson, Johnson, Jones, Linn, Dubuque, Keokuk, and Washington Counties. * WHEN...Until 10 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

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