• Today

    Sep 2

    80°Lo 58°

    Clouds and sun; less humid

    Excellent for an outdoor bbq
    • Precip
      25%
    • Hi
      RealFeel
      82°
    • Wind
      Gust
      9 mph
    more
  • Wed

    Sep 3

    83°Lo 69°

    Partly sunny

    Excellent for an outdoor bbq
    • Precip
      11%
    • Hi
      RealFeel
      84°
    • Wind
      Gust
      13 mph
    more
  • Thu

    Sep 4

    89°Lo 70°

    Times of clouds and sun

    Very Good for an outdoor bbq
    • Precip
      25%
    • Hi
      RealFeel
      94°
    • Wind
      Gust
      20 mph
    more
  • Fri

    Sep 5

    75°Lo 56°

    A couple of t-storms; cooler

    Fair for an outdoor bbq
    • Precip
      60%
    • Hi
      RealFeel
      76°
    • Wind
      Gust
      12 mph
    more
  • Sat

    Sep 6

    71°Lo 52°

    Mostly sunny and pleasant

    Very Good for an outdoor bbq
    • Precip
      10%
    • Hi
      RealFeel
      74°
    • Wind
      Gust
      9 mph
Next Previous
Hi 71° RealFeel® 74° Precipitation 10%

Day

N

E

S

W

  • SE 6 mph
  • Gusts: 9 mph

Mostly sunny and pleasant

  • Max UV Index: 6 (High)
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 52° RealFeel® 50° Precipitation 12%

Night

N

E

S

W

  • E 3 mph
  • Gusts: 6 mph

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 6

more Historical Weather Data >
  Today Normal Record 9/6/2013
High 71° 76° N/A 83°
Low 52° 58° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:22 AM with 12:56 of sunlight, then sets at 7:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:35 PM with 11:00 of moolight, then sets at 4:35 AM

Top Story

Grayslake Weather Report

Chicago: Cooler, Less Humid Air to Return by Late Week

September 2, 2014; 4:05 AM ET

While Labor Day marks an unofficial end to the summer, the Chicago area will see warm, humid conditions continue before temperatures slide late in the week. 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.

Sat. Outdoor Entertaining

Sat. Wind Maps

Sat. UV Index