Winter Storm Warning

Full Alert Message

URGENT - WINTER WEATHER MESSAGE National Weather Service Chicago IL 135 PM CST Sun Nov 9 2025 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO NOON CST MONDAY... * WHAT...Dangerous to impossible travel conditions due to intense lake effect snow expected. Snow rates in excess of 3 inches per hour, localized total snow accumulations in excess of 12 inches, and northerly wind gusts in excess of 30 mph are expected. * WHERE...Central Cook, Eastern Will, Northern Cook, and Southern Cook Counties. * WHEN...From 9 PM this evening to noon CST Monday. * IMPACTS...Snow rates in excess of 3 inches per hour will cripple travel, including during the Monday morning commute. Strong northerly wind gusts in excess of 30 mph will lead to greatly reduced visibility, especially near the Lake Michigan shoreline. Periods of thundersnow will occur, as well. * ADDITIONAL DETAILS...Lake effect snow is often very localized, with conditions varying from safe to dangerous across just a few miles. Snow totals in the Winter Storm Warning area may vary considerably from one location to the next. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying all travel while and where the lake effect snow is ongoing.