• Today

    Dec 20

    33°Lo 28°

    Mostly cloudy

    Fair for biking
    • Precip
      35%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
  • Sun

    Dec 21

    39°Lo 32°

    Mostly cloudy with a flurry

    Poor for biking
    • Precip
      42%
    • Hours of Precip
      1
    • Wind
      Gust
      16 mph
    more
  • Mon

    Dec 22

    43°Lo 40°

    A morning shower, then rain

    Poor for biking
    • Precip
      75%
    • Hours of Precip
      3.5
    • Wind
      Gust
      23 mph
    more
  • Tue

    Dec 23

    46°Lo 34°

    Cloudy with a few showers

    Poor for biking
    • Precip
      60%
    • Hours of Precip
      1.5
    • Wind
      Gust
      15 mph
    more
  • Wed

    Dec 24

    38°Lo 28°

    Snow showers; windy, colder

    Poor for biking
    • Precip
      78%
    • Hours of Precip
      4
    • Wind
      Gust
      37 mph
    more
Next Previous
Next 8 hours >
  Sat
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 27° 27° 27° 27° 26° 25° 25° 28°
RealFeel® 30° 30° 30° 30° 30° 28° 29° 30°
Humidity 69% 70% 70% 72% 70% 74% 73% 80%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
10%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 1 N 1 N 0 0 0 0 0 1 N
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 98% 99% 99% 99% 99% 97% 96% 100%
Dew Point 19° 19° 19° 18° 18° 17° 18° 22°
Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 33° 33° N/A 36°
Low 28° 19° N/A 33°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:16 AM with 9:07 of sunlight, then sets at 4:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:30 AM with 10:05 of moolight, then sets at 3:35 PM

Mount Prospect 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 >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.