• Clear 67°
    Snow Days Current Weather
    • Wind
      Chill
      67°
    • Yesterday
      Precip
      0 in
    • Cloud
      Cover
      0%
  • Tonight

    Sep 19

    Lo 59°

    Some clouds; breezy

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    Day Details >
  • Tomorrow

    Sep 20

    Hi 78°

    Heavy thunderstorms

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    Day Details >
  • Sunday

    Sep 21

    Hi 67°

    Breezy with clouds breaking

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    Day Details >
Next

Thunderstorms in the area tomorrow morning through tomorrow evening; storms can bring damaging winds

9/19 9/20 Now: 10:33pm
PM 10-2
  • 10pm Mostly clear 63° 1%
  • 11pm Partly cloudy 61° 3%
  • 12am Partly cloudy 61° 3%
  • 1am Partly cloudy 61° 4%
  • 2am Mostly cloudy 60° 7%
AM 9-2
  • 9am Mostly cloudy 65° 47%
  • 10am Thunderstorms 68° 51%
  • 11am Mostly cloudy 71° 20%
  • 12pm Mostly cloudy 73° 15%
  • 1pm Mostly cloudy 75° 20%
  • 2pm Mostly cloudy 78° 47%
PM 3-8
  • 3pm Thunderstorms 74° 51%
  • 4pm Mostly cloudy 75° 47%
  • 5pm Mostly cloudy 76° 49%
  • 6pm Thunderstorms 72° 54%
  • 7pm Mostly cloudy 72° 49%
  • 8pm Mostly cloudy 71° 34%
Hourly Forecast >
Sep 19, 2014; 7:02 AM ET
Watch for a strong thunderstorm tomorrow afternoon
Chicago, IL Weather Forecast

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Top Story

Lake Zurich Weather Report

Chicago: Thunderstorms to Precede More Cool Air

September 19, 2014; 9:28 PM ET

Chicago is facing the threat of some disruptive thunderstorms on Saturday. more >

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The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Fri. Snow Day Potential