• Tonight

    Sep 22

    Lo 47°

    Clear and cool

    Hair Frizz Weather
    • Wind
      Gust
      10 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Tue

    Sep 23

    70°Lo 50°

    Mostly sunny and nice

    Watch for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      3%
    • Hours of Precip
      0
  • Wed

    Sep 24

    72°Lo 51°

    Mostly sunny and nice

    Watch for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      11%
    • Hours of Precip
      0
    more
  • Thu

    Sep 25

    74°Lo 51°

    Mostly sunny and nice

    Watch for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      12%
    • Hours of Precip
      0
    more
  • Fri

    Sep 26

    74°Lo 53°

    Sunny and nice

    Watch for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      12%
    • Hours of Precip
      0
    more
Next Previous
Hi 70° RealFeel® 74° Precipitation 3%

Day

N

E

S

W

  • SSE 4 mph
  • Gusts: 7 mph

Mostly sunny and nice

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 50° RealFeel® 47° Precipitation 7%

Night

N

E

S

W

  • SSE 3 mph
  • Gusts: 7 mph

Mainly clear

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

Temperature History - Sep 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 70° 70° N/A 61°
Low 50° 50° N/A 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 12:08 of sunlight, then sets at 6:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:05 AM with 12:21 of moolight, then sets at 6:26 PM

Top Story

Grayslake Weather Report

Drier Air Heads into Chicago Following Storms

September 22, 2014; 6:02 PM ET

Drier air will filter into the Chicago area for the rest of the week, resulting in dry skies and clear conditions to kick off the first week of fall. 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