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Northern Illinois Braces for a Sudden Weather Shift

northern Illinoisnorthwest Indiana, USAThursday, December 18, 2025
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Thursday is shaping up to be a challenging day for northern Illinois and parts of northwest Indiana. The weather is expected to shift rapidly from mild and rainy to hazardous, with a mix of strong winds, sudden snow squalls, and icy conditions.

Morning: Mild and Rainy

  • Temperatures: Starting in the 40s
  • Precipitation: Rain across the region

Afternoon: Conditions Deteriorate

  • Winds: Gusting up to 40 to 45 mph
  • Potential hazards: Loose items (trash bins, patio furniture) becoming airborne
  • Temperature Drop: Plummeting from the 40s to the teens
  • Icy Roads: Particularly on bridges and untreated surfaces
  • Black Ice: Leftover moisture from rain turning to ice

Evening: Snow Squalls and Reduced Visibility

  • Snow Squalls: Brief but intense bursts of snow
  • Impact: Sudden reductions in visibility and quick snow accumulation on roads
  • Driving Conditions: Extra challenging; drivers advised to slow down and allow extra travel time

Safety Recommendations

  • Secure Loose Items: Before winds pick up
  • Stay Alert: Be prepared for rapidly changing conditions
  • Drive Cautiously: Expect icy roads and reduced visibility

Final Warning

Residents are urged to stay vigilant and prepare for dangerous travel conditions Thursday night. Stay safe and be ready for whatever the weather brings.

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