• Tonight

    Aug 1

    Lo 68°

    Some clouds, a t-storm late

    Bicycling Weather
    • Precip
      7%
    • Hours of Precip
      1
    • Wind
      Gust
      20 mph
    more
  • Sun

    Aug 2

    85°Lo 66°

    A strong thunderstorm

    Good for biking
    • Precip
      56%
    • Hours of Precip
      3
    • Wind
      Gust
      25 mph
    more
  • Mon

    Aug 3

    80°Lo 60°

    Breezy with clouds and sun

    Very Good for biking
    • Precip
      16%
    • Hours of Precip
      0
    • Wind
      Gust
      23 mph
  • Tue

    Aug 4

    80°Lo 62°

    Partly sunny and pleasant

    Excellent for biking
    • Precip
      7%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
  • Wed

    Aug 5

    77°Lo 62°

    Partly sunny and pleasant

    Excellent for biking
    • Precip
      9%
    • Hours of Precip
      0
    • Wind
      Gust
      14 mph
    more
Next Previous
Hi 80° RealFeel® 80° Precipitation 16%

Day

N

E

S

W

  • W 14 mph
  • Gusts: 23 mph

Breezy and less humid with periods of sun

  • Max UV Index: 7 (High)
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 60° RealFeel® 58° Precipitation 25%

Night

N

E

S

W

  • N 6 mph
  • Gusts: 12 mph

Mainly 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 - Aug 3

more Historical Weather Data >
  Today Normal Record 8/3/2014
High 80° 81° N/A 87°
Low 60° 64° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:23 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:07 PM with 12:41 of moolight, then sets at 10:48 AM

Lake Forest Weather Report

Chicago: Cooler Weather to Move in Midweek

August 1, 2015; 12:26 PM ET

After a warm start to the week, a trend toward cooler temperatures can be expected. 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.