• Today

    Aug 30

    80°Lo 62°

    Areas of morning fog; warmer

    Warning for hair frizz
    • Wind
      Gust
      5 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Mon

    Aug 31

    86°Lo 68°

    Sunny, very warm and humid

    Warning for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Tue

    Sep 1

    87°Lo 68°

    Lots of sun; warm and humid

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      12%
    • Hours of Precip
      1.5
  • Wed

    Sep 2

    88°Lo 67°

    Partly sunny and very warm

    Advisory for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Thu

    Sep 3

    88°Lo 68°

    Mostly sunny and very warm

    Watch for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      9%
    • Hours of Precip
      0
    more
Next Previous
Hi 87° RealFeel® 94° Precipitation 12%

Day

N

E

S

W

  • SW 8 mph
  • Gusts: 13 mph

Mostly sunny, very warm and humid

  • Max UV Index: 6 (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 68° RealFeel® 64° Precipitation 60%

Night

N

E

S

W

  • SSW 7 mph
  • Gusts: 9 mph

Partly cloudy, warm and humid; an evening thunderstorm followed by a couple of showers late

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 87° 80° N/A 83°
Low 68° 61° N/A 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:18 AM with 13:10 of sunlight, then sets at 7:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:21 PM with 13:35 of moolight, then sets at 10:56 AM

Lake in the Hills Weather Report

Chicago: Heat, Humidity to Build Through Week

August 30, 2015; 6:00 AM ET

A turn to warmer conditions is in store for the Chicago area heading into the new week. 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.

Tue. Hair Frizz

Tue. Wind Maps

Tue. UV Index