Weather Alerts For Island Lake, IL

URGENT - WEATHER MESSAGE National Weather Service Chicago IL 241 AM CDT Tue Mar 10 2026 Winnebago-Boone-McHenry-Ogle-Lee-De Kalb-Kane- Including the cities of Rochelle, DeKalb, Rockford, Elgin, Aurora, Sycamore, Oregon, Woodstock, Algonquin, Crystal Lake, Belvidere, Dixon, Byron, and McHenry 241 AM CDT Tue Mar 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING... * WHAT...Visibility less than one quarter mile in dense fog. * WHERE...Boone, De Kalb, Lee, Ogle, Winnebago, Kane, and McHenry Counties. * WHEN...Until 11 AM CDT 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. &&