• Clear 67°
    Bicycling Current Weather
    • RealFeel
      63°
    • UV
      0 - Moderate
    • Wind
      Speed
      15 mph
  • Early AM

    May 4

    Lo 58°

    A couple of showers and thunderstorms

    Bicycling Weather
    • Precip
      60%
    • Hours of Precip
      2.5
    • Wind
      Gust
      18 mph
    Day Details >
  • Today

    May 4

    Hi 63°

    A couple of t-storms; cooler

    Poor for biking
    • Precip
      65%
    • Hours of Precip
      4
    • Wind
      Gust
      16 mph
    Day Details >
  • Tomorrow

    May 5

    Hi 57°

    Cloudy, a couple of t-storms

    Poor for biking
    • Precip
      60%
    • Hours of Precip
      2
    • Wind
      Gust
      13 mph
    Day Details >
Next

Thunderstorms in the area this morning through late tomorrow night

5/4 5/5 Now: 1:25am
AM 1-5
  • 1am Mostly cloudy 61° 34%
  • 2am Cloudy 60° 34%
  • 3am Cloudy 59° 34%
  • 4am Cloudy 58° 39%
  • 5am Cloudy 59° 49%
PM 12-5
  • 12pm Thunderstorms 61° 51%
  • 1pm Cloudy 61° 43%
  • 2pm Thunderstorms 61° 52%
  • 3pm Cloudy 59° 48%
  • 4pm Cloudy 58° 44%
  • 5pm Cloudy 57° 47%
PM 6-11
  • 6pm Thunderstorms 55° 51%
  • 7pm Cloudy 53° 43%
  • 8pm Thunderstorms 52° 51%
  • 9pm Cloudy 51° 47%
  • 10pm Cloudy 51° 40%
  • 11pm Cloudy 51° 34%
Hourly Forecast >
May 04, 2015; 2:09 AM ET
Five-day Weather Forecast for Chicago, IL
Chicago, IL Weather Forecast

Lake Forest Weather Report

Chicago: Temperature Roller Coaster in Store for New Week

May 4, 2015; 12:07 AM ET

The month of May has opened the door for warm air to flow into the Chicago area following a cool end to April. 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.