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Snowy Surprises: Chicago's Winter Weather Rollercoaster

Chicago, USAWednesday, January 21, 2026
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Late Tuesday Night to Wednesday:

  • First Wave of Snow: Targets areas near and north of I-80.
  • Winter Weather Advisory: Expanded to more counties due to expected snowfall.
  • Heaviest Snowfall: Expected in Lake and McHenry counties.
  • Affected Counties: DeKalb, Kane, DuPage, and parts of Cook.
  • Driving Conditions: Plan extra time for morning commutes.

Wednesday Afternoon:

  • Short Break: Snow takes a pause.
  • Second Wave: Moves in during the afternoon and evening.
  • Gusty Winds and More Snow: Makes driving even more challenging.
  • Quick Passage: Over by midnight.

Thursday:

  • Improvement: High of 20 degrees.
  • Weekend Warning: Another blast of arctic air arrives.
  • Temperatures: Drop to negative six degrees.
  • Wind Chill: Could feel like negative 35 degrees.
  • Preparation: Stay warm and be ready for more winter weather.

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