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    • Tonight

      Sep 27

      49° Lo F
      A little rain late
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Wed

      Sep 28

      62° /54°
      Mostly cloudy, a little rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      68° /59°
      A passing shower or two
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Sep 30

      64° /53°
      Cloudy with spotty showers
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      67° /53°
      Mostly cloudy with a shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    Tuesday
    8pm
    9pm
    10pm
    11pm
    12am
    1am
    2am
    3am
    Forecast Cloudy Cloudy Showers Cloudy Cloudy Cloudy Cloudy Partly Cloudy
    Temp (°F) 58° 56° 54° 53° 52° 52° 51° 51°
    RealFeel® 52° 51° 45° 47° 47° 46° 48° 48°
    Wind (mph) 13 W 12 W 12 W 12 W 12 W 10 W 6 WNW 7 WNW
    precip
    8pm
    9pm
    10pm
    11pm
    12am
    1am
    2am
    3am
    Rain
    43%
    47%
    51%
    25%
    20%
    24%
    34%
    34%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    8pm
    9pm
    10pm
    11pm
    12am
    1am
    2am
    3am
    UV Index 0 0 0 0 0 0 0 0
    Cloud Cover 95% 95% 98% 100% 100% 97% 70% 40%
    Humidity 54% 63% 76% 77% 83% 84% 85% 87%
    Dew Point 41° 44° 47° 46° 47° 47° 47° 47°
    Temp °F
    8pm
    9pm
    10pm
    11pm
    12am
    1am
    2am
    3am
    60° 55° 50°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 66° 70° 84° (1998) 75°
    Low 49° 49° 39° (2012) 60°

    Sunrise/Sunset

    • Sunrise: 6:46 AM
    • Sunset: 6:40 PM
    • Duration: 11:54 hr

    Moonrise/Moonset

    • Moonrise: 3:21 AM
    • Moonset: 5:09 PM
    • Duration: 13:48 hr
    Astronomy

    Carol Stream Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 27, 2016; 7:42 PM ET

    Gusty winds will accompany a push of chilly air across the Great Lakes through Tuesday. More >

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps