• Today

    Aug 31

    85°Lo 67°

    Mostly sunny and warmer

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Tue

    Sep 1

    87°Lo 67°

    Fog in the a.m.; mostly sunny

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

    Sep 2

    88°Lo 67°

    Partly sunny, warm and humid

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

    Sep 3

    86°Lo 66°

    Mostly sunny, warm and humid

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

    Sep 4

    86°Lo 67°

    Mostly sunny, warm and humid

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 85° RealFeel® 98° Precipitation 2%

Day

N

E

S

W

  • S 1 mph
  • Gusts: 6 mph

Mostly sunny and warmer

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 67° RealFeel® 67° Precipitation 3%

Night

N

E

S

W

  • S 5 mph
  • Gusts: 7 mph

Mainly clear and humid; areas of fog late

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

DeKalb Pollen Levels - August 31

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass Pollen

    Low

  • Tree Pollen

    Low

  • Ragweed Pollen

    Low

  • Mold Pollen

    Low

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: More Foggy Mornings in Store as Heat Holds on

August 31, 2015; 12:12 PM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps