• Early AM

    Jul 30

    Lo 66°

    Mainly clear

    Hair Frizz Weather
    • Wind
      Gust
      18 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Today

    Jul 30

    86°Lo 66°

    Sunny; breezy in the p.m.

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      13%
    • Hours of Precip
      0
    more
  • Fri

    Jul 31

    86°Lo 63°

    Mostly sunny and warm

    Watch for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      25%
    • Hours of Precip
      0
  • Sat

    Aug 1

    82°Lo 64°

    Sunny and pleasant

    Watch for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      60%
    • Hours of Precip
      2
    more
  • Sun

    Aug 2

    84°Lo 69°

    Clouds and sun with a t-storm

    Advisory for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      55%
    • Hours of Precip
      1.5
    more
Next Previous
Hi 86° RealFeel® 88° Precipitation 25%

Day

N

E

S

W

  • SW 12 mph
  • Gusts: 20 mph

Sunny to partly cloudy and warm

  • Max UV Index: 7 (High)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 63° RealFeel® 61° Precipitation 25%

Night

N

E

S

W

  • WNW 8 mph
  • Gusts: 16 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 86° 81° N/A 83°
Low 63° 64° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:42 AM with 14:31 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:29 PM with 10:31 of moolight, then sets at 6:00 AM

Lake Forest Weather Report

Chicago: Pleasant Weather Conditions Into Late Week

July 29, 2015; 4:45 PM ET

The Chicago area will have pleasant weather conditions heading into the weekend. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Fri. Hair Frizz

Fri. Wind Maps

Fri. UV Index