For the latest road conditions and road closures, call 5 1 1. People should consider delaying travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded.

Patches of dense fog can be expected through mid-morning across parts of northern Illinois with localized visibilities as low as one quarter mile or less.