• Today

    Dec 21

    37°Lo 28°

    Mostly cloudy

    Very Unlikely for a snow day
    • Snow
      3%
    • Ice
      0%
    • Snow
      0 in
  • Mon

    Dec 22

    43°Lo 40°

    A little afternoon rain

    Very Unlikely for a snow day
    • Snow
      11%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    Dec 23

    49°Lo 36°

    Cloudy, a little rain; milder

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

    Dec 24

    41°Lo 29°

    Snow showers; windy, colder

    Very Unlikely for a snow day
    • Snow
      61%
    • Ice
      0%
    • Snow
      0.32 in
    more
  • Thu

    Dec 25

    37°Lo 29°

    Mostly cloudy and breezy

    Very Unlikely for a snow day
    • Snow
      7%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9pm
10pm 11pm Mon
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 32° 31° 30° 30° 29° 29° 29° 29°
RealFeel® 22° 21° 21° 21° 20° 20° 20° 19°
Humidity 71% 72% 73% 74% 75% 76% 76% 76%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
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%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 9 SE 9 SE 9 SE 9 SE 9 SE 9 SE 9 SE 9 SE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 76% 76% 76% 76% 76% 76% 76% 76%
Dew Point 23° 23° 23° 23° 22° 23° 22° 22°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 37° 34° 60° (1967) 37°
Low 28° 21° -15° (1901) 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:09 AM with 9:10 of sunlight, then sets at 4:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:24 AM with 10:02 of moolight, then sets at 4:26 PM

Hamlet Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 21, 2014; 4:18 AM ET

There's a chance for a white Christmas around Chicagoland as next week turns unsettled. 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