Chicago, Illinois Sees Prolonged Mild Weather as Snow, Lake Effect, and Bitter Cold Line Up Ahead
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An extended stretch of mild winter days
Chicago, IL has moved through an unusually long run of above-normal temperatures. Sunday marked the eighth straight day above seasonal averages. Monday became day nine. Tuesday follows as day ten, with Wednesday extending the streak to eleven days.Warm air lingers early in the week
Monday trends mostly sunny by afternoon, with highs reaching the lower 40s. That stands about 10 degrees above normal for midwinter. The evening turns mostly clear, with overnight lows settling just above freezing.Tuesday brings even milder air. Skies stay mostly cloudy, but temperatures push toward 50. A brief rain shower is possible, though it will not define the day. Winds strengthen at times, with gusts exceeding 40 kilometers per hour. Trees sway. Loose objects rattle.
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Chicago Weather Forecast: Warm Stretch Continues Before Snow and Arctic Cold ArriveMidweek shift and a growing snow signal
Wednesday marks the beginning of a transition. Highs fall back into the upper 30s under persistent cloud cover. A brief rain or snow shower may pass through, but no accumulation is expected during the day.Attention turns to Lake Michigan. Forecasters identify lake-effect snow as the primary uncertainty. Computer models indicate a setup developing Wednesday night into early Thursday.
This type of snowfall resists early precision. In early November, similar events shifted dramatically in the final hours. Earlier model runs pointed snow bands toward Chicago, IL. Later updates pushed the heaviest snowfall east, focusing on Indiana and Michigan. The message remains consistent. This is a period to watch.
Colder air settles in late week
Another weather system approaches Friday into Saturday. Light snow accumulation appears likely. Daytime highs drop sharply, settling into the 20s. Winter reasserts itself.Game day cold takes center stage
Sunday brings the most notable change. Regardless of kickoff time, conditions point toward intense cold. High temperatures may struggle to reach 20. Windchill values could plunge well below zero, especially if the game falls into a later time slot.
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