• Today

    Dec 20

    35°Lo 26°

    Mostly cloudy

    Very Unlikely for a snow day
    • Snow
      7%
    • Ice
      0%
    • Snow
      0 in
  • Sun

    Dec 21

    40°Lo 30°

    Mostly cloudy with a flurry

    Very Unlikely for a snow day
    • Snow
      44%
    • Ice
      0%
    • Snow
      0.03 in
    more
  • Mon

    Dec 22

    43°Lo 38°

    Cloudy and breezy; p.m. rain

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

    Dec 23

    44°Lo 31°

    Cloudy with spotty showers

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

    Dec 24

    37°Lo 25°

    Very windy; snow showers

    Unlikely for a snow day
    • Snow
      77%
    • Ice
      1%
    • Snow
      0.19 in
    more
Next Previous
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  Sat
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 35° 34° 34° 32° 30° 29° 30° 30°
RealFeel® 35° 34° 33° 32° 30° 29° 29° 29°
Humidity 60% 61% 64% 67% 71% 72% 71% 70%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 4 SSW 4 SSW 4 S 4 S 2 S 4 S 4 S 4 S
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 94% 92% 87% 81% 77% 95% 95% 95%
Dew Point 22° 22° 22° 22° 22° 22° 22° 22°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 35° 32° N/A 35°
Low 26° 19° N/A 29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:08 of sunlight, then sets at 4:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:32 AM with 10:05 of moolight, then sets at 3:37 PM

St. Charles Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 20, 2014; 4:16 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

Sat. Snow Day Potential