• Early AM

    Dec 20

    Lo 22°

    Mostly cloudy

    Hair Frizz Weather
    • Wind
      Gust
      5 mph
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Today

    Dec 20

    35°Lo 27°

    Mostly cloudy

    Watch for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      10%
    • Hours of Precip
      0.5
  • Sun

    Dec 21

    40°Lo 30°

    Mostly cloudy with a flurry

    Watch for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      43%
    • Hours of Precip
      1
    more
  • Mon

    Dec 22

    42°Lo 37°

    Cloudy with afternoon rain

    Advisory for hair frizz
    • Wind
      Gust
      23 mph
    • Precip
      75%
    • Hours of Precip
      4.5
    more
  • Tue

    Dec 23

    43°Lo 31°

    Cloudy with spotty showers

    Advisory for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      60%
    • Hours of Precip
      3.5
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
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  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 25° 24° 23° 22° 22° 23° 25° 28°
RealFeel® 27° 27° 25° 24° 24° 25° 26° 30°
Humidity 75% 78% 79% 80% 79% 77% 75% 71%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 1 N 1 NNW 1 NW 1 WNW 2 W 2 WSW 2 WSW 2 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 98% 100% 99% 97% 94% 95% 94% 94%
Dew Point 18° 18° 17° 16° 17° 17° 18° 20°
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 35° 30° N/A 31°
Low 27° 14° N/A 24°

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 5:33 AM with 10:03 of moolight, then sets at 3:36 PM

Mchenry Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 19, 2014; 2:16 PM ET

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

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Sat. Hair Frizz

Sat. Wind Maps

Sat. UV Index