• Tonight

    Dec 18

    Lo 20°

    Mainly cloudy

    Morning School Bus Weather
    • T-storms
      0%
    • Precip
      9%
    • Wind
      Gust
      8 mph
    more
  • Fri

    Dec 19

    32°Lo 21°

    More clouds than sun

    Very Good at the bus stop
    • T-storms
      0%
    • Precip
      1%
    • Wind
      Gust
      4 mph
  • Sat

    Dec 20

    35°Lo 27°

    Mostly cloudy

    Very Good at the bus stop
    • T-storms
      0%
    • Precip
      12%
    • Wind
      Gust
      5 mph
    more
  • Sun

    Dec 21

    39°Lo 30°

    Mostly cloudy

    Very Good at the bus stop
    • T-storms
      0%
    • Precip
      12%
    • Wind
      Gust
      20 mph
    more
  • Mon

    Dec 22

    40°Lo 33°

    Cloudy with afternoon rain

    Very Good at the bus stop
    • T-storms
      1%
    • Precip
      75%
    • Wind
      Gust
      21 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Mostly Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 20° 21° 22° 26° 28° 29° 30° 31°
RealFeel® 20° 21° 23° 27° 31° 33° 34° 35°
Humidity 83% 81% 80% 74% 69% 65% 61% 59%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 4 NW 4 NNW 2 NNW 2 NNW 2 NW 2 NW 2 NW 2 WNW
UV Index 0 0 0 0 1 1 1 1
Cloud Cover 76% 70% 70% 70% 70% 70% 70% 70%
Dew Point 15° 16° 17° 18° 19° 18° 18° 18°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F

Temperature History - Dec 19

more Historical Weather Data >
  Today Normal Record 12/19/2013
High 32° 30° N/A 32°
Low 21° 14° N/A 20°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:18 AM with 9:05 of sunlight, then sets at 4:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:29 AM with 10:18 of moolight, then sets at 2:47 PM

Crystal Lake Weather Report

Chicago: White Christmas in the Offing

December 18, 2014; 6:07 PM ET

While the next couple of days will be tranquil for the Chicago area, Christmas Eve could deliver enough snow to blanket the city. more >

The AccuWeather RealFeel Temperature

May 17, 2012; 5:00 AM ET This product plays a big role as humidity rises.

Fri. Morning Bus Stop

Fri. UV Index

Fri. Wind Maps