• Tonight

    May 25

    Lo 64°

    Mild with increasing clouds

    Bicycling Weather
    • Precip
      67%
    • Hours of Precip
      2.5
    • Wind
      Gust
      35 mph
    more
  • Tue

    May 26

    77°Lo 59°

    A shower and t-storm around

    Good for biking
    • Precip
      61%
    • Hours of Precip
      3
    • Wind
      Gust
      14 mph
    more
  • Wed

    May 27

    76°Lo 55°

    Partly sunny with a t-storm

    Very Good for biking
    • Precip
      58%
    • Hours of Precip
      1.5
    • Wind
      Gust
      13 mph
  • Thu

    May 28

    78°Lo 58°

    Sunny, nice and warm

    Excellent for biking
    • Precip
      7%
    • Hours of Precip
      0
    • Wind
      Gust
      13 mph
    more
  • Fri

    May 29

    80°Lo 56°

    Clouds and sun with a t-storm

    Very Good for biking
    • Precip
      58%
    • Hours of Precip
      2
    • Wind
      Gust
      20 mph
    more
Next Previous
Hi 76° RealFeel® 80° Precipitation 58%

Day

N

E

S

W

  • W 9 mph
  • Gusts: 13 mph

Sun and some clouds with a shower or thunderstorm around

  • Max UV Index: 6 (High)
  • Thunderstorms: 60%
  • Precipitation: 0.25 in
  • Rain: 0.25 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 55° RealFeel® 54° Precipitation 7%

Night

N

E

S

W

  • E 6 mph
  • Gusts: 8 mph

Mostly clear

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2014
High 76° 70° N/A 83°
Low 55° 50° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:20 AM with 14:57 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:28 PM with 12:10 of moolight, then sets at 2:38 AM

Lake Forest Weather Report

Chicago: Temperatures to Take Dramatic Swing at Late Week

May 25, 2015; 3:54 PM ET

Following the chance for early-week storms, temperatures in the Chicago area will be on a roller coaster leading into the weekend. more >

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.