• Today

    Mar 3

    38°Lo 11°

    A bit of ice, then rain

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

    Mar 4

    19°Lo 0°

    Colder with periods of sun

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

    Mar 5

    13°Lo 2°

    Sunny and bitterly cold

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

    Mar 6

    32°Lo 28°

    Mostly sunny and not as cold

    Low ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      21 mph
    • Cloud
      Cover
      25%
    more
  • Sat

    Mar 7

    39°Lo 18°

    Chilly with some sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      60%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 12° 13° 13° 12°
RealFeel® -9° -4° -2°
Humidity 64% 62% 59% 58% 55% 53% 52% 55%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
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Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 12 NW 12 WNW 12 WNW 12 WNW 12 WNW 10 WNW 10 WNW 10 W
UV Index 2 3 4 4 4 3 2 1
Cloud Cover 10% 10% 10% 10% 10% 10% 10% 10%
Dew Point -5° -4° -4° -3° -2° -1° -1° -1°
Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F Middle Grid line 0 F

Temperature History - Mar 5

more Historical Weather Data >
  Today Normal Record 3/5/2014
High 13° 42° N/A 23°
Low 26° N/A 19°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:22 AM with 11:25 of sunlight, then sets at 5:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:01 PM with 12:34 of moolight, then sets at 6:35 AM

Carol Stream Weather Report

Chicago: Wintry Mix to Precede Harsh Cold

March 3, 2015; 5:15 AM ET

While Chicago will escape the brunt of a snowstorm moving from the Rockies to the Midwest, the city will still see some wintry precipitation early this week. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Thu. Dust & Dander

Thu. Wind Maps