• Today

    Apr 27

    57°Lo 33°

    Sun and some clouds

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

    Apr 28

    60°Lo 36°

    Mostly sunny

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

    Apr 29

    61°Lo 36°

    Periods of sun

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

    Apr 30

    56°Lo 37°

    Breezy with periods of sun

    Low ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      69%
    more
  • Fri

    May 1

    66°Lo 48°

    Sunny and warmer

    Ragweed Pollen Weather
    • Precip
      2%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      0%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
5pm
6pm 7pm 8pm 9pm 10pm 11pm Tue
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Clear
Clear
Clear
Clear
Clear
Temp (°F) 55° 53° 50° 45° 42° 40° 39° 38°
RealFeel® 52° 49° 44° 39° 38° 37° 37° 36°
Humidity 44% 46% 49% 61% 68% 73% 74% 77%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
 
0%
Ice
 
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  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 13 NE 12 NE 12 NE 9 NE 7 NE 6 NE 6 NNE 5 NNE
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 38% 37% 36% 18% 6% 1% 0% 0%
Dew Point 33° 33° 32° 32° 32° 32° 31° 32°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 27

more Historical Weather Data >
  Today Normal Record 4/27/2014
High 57° 64° 87° (1986) 60°
Low 33° 43° 29° (1945) 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:54 AM with 13:53 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:50 PM with 13:22 of moolight, then sets at 3:12 AM

Carol Stream Weather Report

Sunshine to Prevail This Week in Chicago

April 27, 2015; 10:50 AM ET

Sunny skies and cooler conditions will be the rule this week in Chicago. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps