• Mostly sunny 74°
    Bicycling Current Weather
    • RealFeel
      77°
    • UV
      4 - Moderate
    • Wind
      Speed
      10 mph
  • Today

    Sep 20

    Hi 79°

    Heavy thunderstorms

    Good for biking
    • Precip
      66%
    • Hours of Precip
      2.5
    • Wind
      Gust
      22 mph
    Day Details >
  • Tomorrow

    Sep 21

    Hi 66°

    Cooler; a shower in the a.m.

    Very Good for biking
    • Precip
      55%
    • Hours of Precip
      0.5
    • Wind
      Gust
      22 mph
    Day Details >
  • Monday

    Sep 22

    Hi 68°

    Sunny to partly cloudy

    Excellent for biking
    • Precip
      0%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    Day Details >
Next

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

9/20 9/21 Now: 11:06am
AM 11-3
  • 11am Intermittent clouds 73° 43%
  • 12pm Intermittent clouds 75° 47%
  • 1pm Mostly cloudy w/ t-storms 79° 51%
  • 2pm Thunderstorms 76° 57%
  • 3pm Thunderstorms 76° 57%
PM 10-3
  • 10pm Mostly cloudy 67° 37%
  • 11pm Mostly cloudy 67° 47%
  • 12am Thunderstorms 66° 51%
  • 1am Mostly cloudy 65° 47%
  • 2am Mostly cloudy 64° 8%
  • 3am Mostly cloudy 64° 8%
AM 4-9
  • 4am Mostly cloudy 63° 8%
  • 5am Mostly cloudy 61° 8%
  • 6am Mostly cloudy 60° 8%
  • 7am Mostly cloudy 57° 9%
  • 8am Mostly cloudy 59° 12%
  • 9am Mostly cloudy 60° 12%
Hourly Forecast >
Chicago, IL Weather Forecast

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Top Story

Geneva Weather Report

Chicago: Thunderstorms to Precede More Cool Air

September 20, 2014; 4:28 AM ET

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

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Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.