• Tonight

    Dec 21

    Lo 30°

    Mostly cloudy

    Driving Weather
    • Precip
      35%
    • Hours of Precip
      0
    • Rain
      0 in
  • Mon

    Dec 22

    41°Lo 40°

    Rain in the afternoon

    Fair for driving
    • Precip
      76%
    • Hours of Precip
      9
    • Rain
      0.58 in
    more
  • Tue

    Dec 23

    47°Lo 33°

    Cloudy, a shower; milder

    Good for driving
    • Precip
      56%
    • Hours of Precip
      2
    • Rain
      0.10 in
    more
  • Wed

    Dec 24

    38°Lo 29°

    Snow and rain in the morning

    Fair for driving
    • Precip
      66%
    • Hours of Precip
      2.5
    • Snow
      0.36 in
    more
  • Thu

    Dec 25

    38°Lo 32°

    Mostly sunny and breezy

    Very Good for driving
    • Precip
      9%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
Next 8 hours >
  Sun
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Flurries
Cloudy
Temp (°F) 31° 31° 32° 32° 31° 31° 31° 32°
RealFeel® 26° 26° 27° 26° 26° 26° 27° 24°
Humidity 70% 70% 70% 72% 72% 74% 74% 79%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
Snow
 
1%
 
8%
 
8%
 
12%
 
34%
 
37%
 
40%
 
6%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 6 S 6 S 7 S 7 S 7 S 7 S 7 S 8 SSE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 100% 100% 100% 100% 100% 98% 97% 100%
Dew Point 22° 23° 23° 23° 23° 23° 24° 26°
Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 38° 33° N/A 35°
Low 30° 19° N/A 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:06 of sunlight, then sets at 4:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:31 AM with 10:00 of moolight, then sets at 4:31 PM

Arlington Heights Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 21, 2014; 5:18 PM ET

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

Travel Weather Forecast

Dec 21, 2014; 5:16 PM ET United States travel weather forecast

Sun. Travel Weather

48 Hour Precipitation Forecast

Sun. Driving Weather