• Today

    Dec 21

    40°Lo 32°

    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°

    Mostly cloudy, showers around

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

    Dec 23

    48°Lo 32°

    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 28°

    Snow showers; windy, colder

    Low ragweed pollen levels
    • Precip
      60%
    • Wind
      Speed
      23 mph
    • Cloud
      Cover
      93%
    more
  • Thu

    Dec 25

    38°Lo 29°

    Sunshine and breezy

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      25%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Cloudy
Cloudy
Flurries
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Temp (°F) 34° 35° 37° 39° 40° 40° 40° 40°
RealFeel® 25° 26° 28° 29° 30° 30° 30° 29°
Humidity 84% 80% 77% 73% 71% 71% 71% 73%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
4%
 
4%
 
4%
 
7%
 
25%
 
25%
 
25%
 
25%
Snow
 
12%
 
37%
 
40%
 
37%
 
25%
 
25%
 
28%
 
34%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 10 S 12 S 13 S 14 S 14 S 14 SSE 14 SSE 14 SSE
UV Index 0 0 1 1 1 1 0 0
Cloud Cover 99% 96% 94% 91% 90% 90% 90% 89%
Dew Point 29° 30° 30° 31° 31° 32° 31° 32°
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 40° 32° 60° (1967) 34°
Low 32° 16° -17° (1963) 28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:19 AM with 9:11 of sunlight, then sets at 4:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:34 AM with 10:04 of moolight, then sets at 4:38 PM

Peru Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 21, 2014; 4:18 AM 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