• Today

    Sep 19

    70°Lo 56°

    Mostly sunny and breezy

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

    Sep 20

    75°Lo 54°

    A few strong p.m. t-storms

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Sun

    Sep 21

    67°Lo 43°

    Breezy with clouds breaking

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

    Sep 22

    64°Lo 45°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      46%
    more
  • Tue

    Sep 23

    69°Lo 47°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 75° RealFeel® 74° Precipitation 65%

Day

N

E

S

W

  • SW 12 mph
  • Gusts: 22 mph

Mostly cloudy and more humid; a few strong p.m. t-storms; thunderstorms can bring damaging winds

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 95%
  • Precipitation: 0.3 in
  • Rain: 0.3 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 54° RealFeel® 48° Precipitation 25%

Night

N

E

S

W

  • W 8 mph
  • Gusts: 13 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 17%
  • 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 - September 20

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 75° 73° 89° (1978) 73°
Low 54° 50° 30° (1991) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 12:16 of sunlight, then sets at 6:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:17 AM with 13:44 of moolight, then sets at 5:01 PM

Top Story

DeKalb Weather Report

Chicago: Chance of Interrupting Thunderstorms for Weekend

September 19, 2014; 1:24 PM ET

Chicago is facing a mostly clear weekend with the threat of some disruptive thunderstorms on Saturday. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps