• Today

    Dec 17

    29°Lo 19°

    Cloudy and colder

    Watch for hair frizz
    • Wind
      Gust
      23 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Thu

    Dec 18

    29°Lo 20°

    Mostly cloudy

    Watch for hair frizz
    • Wind
      Gust
      5 mph
    • Precip
      10%
    • Hours of Precip
      0
  • Fri

    Dec 19

    33°Lo 24°

    Mostly cloudy

    Watch for hair frizz
    • Wind
      Gust
      4 mph
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Sat

    Dec 20

    34°Lo 23°

    Mostly cloudy

    Watch for hair frizz
    • Wind
      Gust
      5 mph
    • Precip
      15%
    • Hours of Precip
      0
    more
  • Sun

    Dec 21

    37°Lo 29°

    Partly sunny

    Advisory for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      11%
    • Hours of Precip
      0
    more
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Forecast
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 27° 26° 26° 26° 26° 25° 24° 24°
RealFeel® 27° 27° 27° 27° 28° 26° 25° 24°
Humidity 70% 72% 72% 74% 72% 76% 78% 80%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
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0%
 
0%
 
0%
 
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0%
Snow
 
0%
 
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Ice
 
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  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 2 WNW 2 NW 2 NNW 2 NNW 2 NNW 2 NNW 2 NNW 2 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 91% 90% 76% 76% 76% 76% 76% 76%
Dew Point 18° 18° 18° 19° 18° 18° 18° 18°
Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 29° 34° 55° (1977) 34°
Low 20° 20° -10° (1985)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:14 AM with 9:11 of sunlight, then sets at 4:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:25 AM with 10:41 of moolight, then sets at 2:06 PM

Joliet Weather Report

Chicago: White Christmas in the Offing

December 17, 2014; 1:33 PM ET

While the next couple of days will be tranquil for the Chicago area, Christmas Eve could deliver enough snow to blanket the city. 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.

Thu. Hair Frizz

Thu. Wind Maps

Thu. UV Index