• Today

    Dec 21

    41°Lo 31°

    Mostly cloudy with a flurry

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Dec 22

    43°Lo 40°

    Cloudy with spotty showers

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

    Dec 23

    48°Lo 33°

    Cloudy with a shower

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

    Dec 24

    39°Lo 27°

    Colder with snow at times

    Low ragweed pollen levels
    • Precip
      61%
    • Wind
      Speed
      23 mph
    • Cloud
      Cover
      92%
    more
  • Thu

    Dec 25

    43°Lo 31°

    Sunny to partly cloudy

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      25%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Cloudy
Cloudy
Flurries
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Temp (°F) 40° 40° 38° 36° 35° 35° 34° 33°
RealFeel® 31° 30° 29° 26° 24° 24° 23° 22°
Humidity 71% 73% 75% 78% 79% 79% 79% 80%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
22%
 
22%
 
22%
 
14%
 
0%
 
0%
 
0%
 
0%
Snow
 
19%
 
37%
 
40%
 
37%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 13 S 12 S 12 SSE 12 SSE 12 SSE 13 SSE 13 SSE 13 SSE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 94% 91% 90% 90% 90% 90% 90% 89%
Dew Point 31° 32° 31° 30° 29° 29° 28° 28°
Middle Grid line 45 F Middle Grid line 40 F 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 41° 34° 62° (1967) 33°
Low 31° 18° -18° (1963) 27°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:18 AM with 9:11 of sunlight, then sets at 4:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:33 AM with 10:03 of moolight, then sets at 4:36 PM

Ottawa Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 21, 2014; 12:18 PM ET

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

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps