URGENT - WINTER WEATHER MESSAGE National Weather Service Chicago IL 254 AM CST Thu Feb 8 2018 ...Long Duration Snow Event Likely This Evening through Friday Evening... Winnebago-Boone-McHenry-Ogle-Lee-DeKalb-Kane-La Salle-Kendall-Grundy- Including the cities of Rockford, Belvidere, Woodstock, Oregon, Dixon, DeKalb, Aurora, Elgin, Ottawa, Oswego, and Morris 254 AM CST Thu Feb 8 2018 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST FRIDAY... * WHAT...Heavy snow likely. Travel will be very difficult to impossible at times, including during the morning commute on Friday. Total snow accumulations of 6 to 10 inches are possible Localized areas may see snow in excess of one foot. * WHERE...Portions of north central and northeast Illinois. * WHEN...From 6 PM this evening to 6 PM CST Friday. * ADDITIONAL DETAILS...Be prepared for significant reductions in visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions are expected. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency.