Illinois–Indiana Weather Alert: Lake-Effect Snow Targets Chicago Area Through Sunday Evening

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Illinois Weather Alert conditions are unfolding across the Chicago area this morning as light snow chances and gusty winds threaten slick pavement before midday. Side streets remain damp, and temperatures hovering in the 30s mean any burst of snow could briefly coat bridges and overpasses. Drivers along I-94 and the Dan Ryan should stay alert for changing visibility through the afternoon.

According to the National Weather Service in Chicago, a 50 percent chance of snow develops with highs near 34 degrees and west-northwest winds gusting to 25 mph. Snow chances continue into Sunday with another 40 percent likelihood and blustery winds up to 30 mph. Northwest Indiana faces a limited snow risk as well, especially toward Porter County where lake-effect bands may briefly intensify.

Chicago and surrounding Cook County communities could see minor slushy accumulation on grassy areas. Pavement temperatures remain marginal, but flash freezing becomes possible after sunset if melting refreezes on untreated roads. Plan extra travel time. Watch for slick ramps and shaded intersections.

Monday turns partly sunny near 30 degrees, though a slight snow chance lingers early. By Tuesday, highs rebound near 40, and Wednesday pushes toward 47 with a chance of rain. A broader warming trend builds late next week, hinting at early spring vibes across Illinois.

Five Day Outlook for Chicago, Illinois:
Today: High 34, 50% chance of snow, gusty.
Sunday: High 30, 40% chance of snow, breezy.
Monday: High 30, slight early snow, then partly sunny.
Tuesday: High 40, slight snow chance.
Wednesday: High 47, chance of rain, milder.