• Tonight

    Aug 29

    Lo 61°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Aug 30

    81°Lo 64°

    Partly sunny and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Aug 31

    85°Lo 67°

    Sunny, warm and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Tue

    Sep 1

    86°Lo 66°

    Sunny, warm and humid

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

    Sep 2

    86°Lo 67°

    Mostly sunny, warm and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
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  Mon
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Forecast
Sunny
Mostly Sunny
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Mostly Sunny
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Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 73° 76° 78° 80° 81° 82° 85° 83°
RealFeel® 79° 84° 87° 90° 91° 91° 92° 88°
Humidity 91% 86% 78% 71% 69% 69% 62% 66%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 S 7 SSW 8 SSW 7 SSW 8 SSW 9 SSW 9 S 10 S
UV Index 2 3 5 6 6 6 5 3
Cloud Cover 7% 10% 10% 10% 10% 10% 10% 10%
Dew Point 70° 71° 71° 70° 70° 71° 70° 70°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2014
High 85° 80° 92° (2012) 81°
Low 67° 59° 40° (1967) 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:12 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:44 PM with 13:02 of moolight, then sets at 9:46 AM

DeKalb Weather Report

Chicago: Heat, Humidity to Build Through Week

August 29, 2015; 7:26 PM ET

A turn to warmer conditions is in store for the Chicago area heading into the new week. more >

Mon. Dust & Dander

Mon. Wind Maps