Weather Alerts For Amboy, IL

URGENT - WEATHER MESSAGE National Weather Service Chicago IL 936 AM CST Thu Dec 18 2025 Winnebago-Boone-McHenry-Ogle-Lee-De Kalb-Kane- Including the cities of Woodstock, Aurora, DeKalb, Sycamore, Belvidere, Algonquin, Rockford, Crystal Lake, Elgin, Oregon, Rochelle, Dixon, Byron, and McHenry 936 AM CST Thu Dec 18 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Boone, De Kalb, Lee, Ogle, Winnebago, Kane, and McHenry Counties. * WHEN...Until 11 AM CST this morning. * IMPACTS...Very low visibility will make driving conditions hazardous in open areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&