Special Weather Statement 03/03/2026 22:18 Illinois

Fog has developed over portions of the northern and northwest suburbs of Chicago in Illinois, some of which is locally dense, especially near the Wisconsin state line. If traveling, be prepared for sudden changes in visibility. If you encounter fog, slow down, maintain a safe following distance, and use your low beam headlights. Where locally dense fog develops, patchy slick spots may also occur where temperatures are at or below freezing.