• Tonight

    May 1

    Lo 41°

    Rain and a thunderstorm early

    Ragweed Pollen Weather
    • 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
    more
  • Tue

    May 3

    68°Lo 46°

    Partly sunny and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • 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 and breezy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 68° RealFeel® 71° Precipitation 7%

Day

N

E

S

W

  • W 8 mph
  • Gusts: 15 mph

Warmer with sun and some clouds

  • Max UV Index: 6 (High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 46° RealFeel® 36° Precipitation 59%

Night

N

E

S

W

  • W 12 mph
  • Gusts: 16 mph

Considerable cloudiness with occasional rain and drizzle late

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.07 in
  • Rain: 0.07 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - May 3

more Historical Weather Data >
  Today Normal Record 5/3/2015
High 68° 66° 83° (2012) 72°
Low 46° 44° 27° (2005) 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:10 of sunlight, then sets at 7:57 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:00 AM with 12:17 of moolight, then sets at 4:17 PM

DeKalb Weather Report

Chicago: Temperature roller coaster in store for new week

May 1, 2016; 7:54 PM ET

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

Tue. Dust & Dander

Tue. Wind Maps