• Early AM

    May 4

    Lo 59°

    A couple of showers and thunderstorms

    Outdoor Barbecue Weather
    • Precip
      60%
    • Hi
      RealFeel
      76°
    • Wind
      Speed
      12 mph
    more
  • Today

    May 4

    69°Lo 50°

    A couple of thunderstorms

    Poor for an outdoor bbq
    • Precip
      66%
    • Hi
      RealFeel
      70°
    • Wind
      Gust
      16 mph
    more
  • Tue

    May 5

    62°Lo 51°

    Cloudy, a couple of t-storms

    Poor for an outdoor bbq
    • Precip
      60%
    • Hi
      RealFeel
      64°
    • Wind
      Gust
      14 mph
    more
  • Wed

    May 6

    76°Lo 58°

    Warmer with a shower or two

    Good for an outdoor bbq
    • Precip
      65%
    • Hi
      RealFeel
      81°
    • Wind
      Gust
      15 mph
    more
  • Thu

    May 7

    80°Lo 63°

    Warm with lots of sun

    Very Good for an outdoor bbq
    • Precip
      23%
    • Hi
      RealFeel
      82°
    • Wind
      Gust
      27 mph
Next Previous
Hi 80° RealFeel® 82° Precipitation 23%

Day

N

E

S

W

  • SSW 15 mph
  • Gusts: 26 mph

Mostly sunny, breezy and very 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® 57° Precipitation 60%

Night

N

E

S

W

  • SSW 13 mph
  • Gusts: 21 mph

Mostly cloudy and warm with a thunderstorm or two

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.2 in
  • Rain: 0.2 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Temperature History - May 7

more Historical Weather Data >
  Today Normal Record 5/7/2014
High 80° 64° N/A 60°
Low 63° 42° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:41 AM with 14:18 of sunlight, then sets at 7:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:25 PM with 10:03 of moolight, then sets at 9:28 AM

Crystal Lake Weather Report

Chicago: Temperature Roller Coaster in Store for New Week

May 4, 2015; 12:07 AM ET

The month of May has opened the door for warm air to flow into the Chicago area following a cool end to April. 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.

Thu. Outdoor Entertaining

Thu. Wind Maps

Thu. UV Index