• Tonight

    Dec 17

    Lo 19°

    Mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Thu

    Dec 18

    30°Lo 21°

    Mostly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Dec 19

    33°Lo 24°

    Mostly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Dec 20

    36°Lo 24°

    Clouds giving way to some sun

    Low ragweed pollen levels
    • Precip
      16%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      82%
    more
  • Sun

    Dec 21

    39°Lo 31°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      11%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      45%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
4pm
5pm 6pm 7pm 8pm 9pm 10pm 11pm
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 29° 28° 27° 26° 26° 25° 24° 24°
RealFeel® 19° 20° 20° 21° 21° 23° 23° 23°
Humidity 65% 66% 67% 65% 66% 68% 68% 69%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
0%
 
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0%
 
0%
 
0%
 
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0%
 
0%
Snow
 
0%
 
0%
 
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Ice
 
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  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Wind (mph) 9 NW 8 NW 7 NW 7 NW 6 NW 5 N 4 N 4 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 83% 85% 84% 67% 70% 68% 71% 73%
Dew Point 18° 18° 17° 16° 16° 16° 15° 15°
Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F

Temperature History - Dec 17

more Historical Weather Data >
  Today Normal Record 12/17/2013
High 29° 34° 57° (1984) 35°
Low 19° 18° -10° (1989) 19°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:12 of sunlight, then sets at 4:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:27 AM with 11:07 of moolight, then sets at 1:34 PM

Peru Weather Report

Chicago: White Christmas in the Offing

December 17, 2014; 8:33 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 >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps