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Fog Hits Chicago, Cancels Over 100 Flights

Chicago, IL, USAThursday, March 5, 2026

Chicago woke to a blanket of thick mist, turning the morning commute into a perilous drive through near-zero visibility.

  • Traffic cameras: Streets shrouded in dense fog.
  • Meteorological forecast: Fog persists until noon, potentially all day along Lake Michigan.

National Weather Service Advisory

  • Dense fog advisory: Visibility below a quarter‑mile.
  • Impacts:
  • Midway Airport grounded >100 flights (≈50% of daily schedule).
  • O’Hare cut 25 departures.
  • A single‑engine plane crashed overnight in Deerfield, killing the pilot.

Afternoon Outlook

  • Mist persists with chances of drizzle or light rain, especially in downstate areas.
  • Temperatures:
  • By the lake: 40s.
  • Inland: 50s, rising to 60s–70s on Friday.
  • Friday heat: Could match a record high from 2000.

Storm Potential

  • Two rounds of showers scheduled.
  • First wave: early in the west, heavier rain and stronger winds later (no guaranteed severe storm).
  • By midday: slight risk of severe weather across northeastern Illinois.
  • Possible hail, wind gusts up to 60 mph, very low tornado chance.
  • Rain expected to taper off by evening.

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