• Today

    May 1

    52°Lo 41°

    Mostly cloudy and cool

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

    May 2

    57°Lo 39°

    Variably cloudy and warmer

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

    May 3

    65°Lo 46°

    Partly sunny and warmer

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

    May 4

    55°Lo 39°

    Cooler with a shower in spots

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

    May 5

    62°Lo 44°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 57° RealFeel® 57° Precipitation 17%

Day

N

E

S

W

  • NE 10 mph
  • Gusts: 15 mph

Warmer with clouds and breaks of sun

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 6%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 39° RealFeel® 40° Precipitation 13%

Night

N

E

S

W

  • N 4 mph
  • Gusts: 9 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 6%
  • 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 - May 2

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    Low

  • Ragweed Pollen

    Low

  • Mold

    Low

  • Grass Pollen

    Low

Temperature History - May 2

more Historical Weather Data >
  Today Normal Record 5/2/2015
High 57° 66° 90° (1992) 74°
Low 39° 44° 29° (1966) 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:07 of sunlight, then sets at 7:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:24 AM with 11:41 of moolight, then sets at 3:05 PM

DeKalb Weather Report

Chicago: Temperature roller coaster in store for new week

May 1, 2016; 1:54 PM ET

The start of May will bring a fluctuation in temperatures throughout the week in Chicago. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps