• Early AM

    Aug 31

    Lo 65°

    Partly cloudy

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Today

    Aug 31

    84°Lo 68°

    Partly sunny and humid

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Mon

    Sep 1

    81°Lo 65°

    A strong thunderstorm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    Sep 2

    80°Lo 58°

    A blend of sun and clouds

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Sep 3

    83°Lo 68°

    Partly sunny and pleasant

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
11pm
Mon
12am
1am 2am 3am 4am 5am 6am
  11pm 12am 1am 2am 3am 4am 5am 6am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
T-storms
Temp (°F) 71° 71° 70° 70° 69° 69° 68° 68°
RealFeel® 69° 69° 68° 67° 67° 66° 65° 64°
Humidity 83% 84% 85% 86% 87% 89% 90% 91%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
7%
 
7%
 
10%
 
15%
 
15%
 
19%
 
47%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (mph) 5 S 6 S 6 S 6 S 7 S 7 S 8 S 9 S
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 70% 70% 70% 70% 70% 70% 78% 85%
Dew Point 66° 66° 66° 65° 66° 65° 65° 65°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2013
High 84° 78° N/A 75°
Low 68° 55° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:12 of sunlight, then sets at 7:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:10 PM with 10:26 of moolight, then sets at 10:36 PM

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Crystal Lake Weather Report

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Chicago will become the target of severe thunderstorms as the Labor Day holiday weekend comes to an end, creating dangers for those with outdoor plans. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Sun. Snow Day Potential