• Today

    Jul 31

    77°Lo 58°

    A thunderstorm in spots

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

    Aug 1

    79°Lo 58°

    An afternoon thunderstorm

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

    Aug 2

    78°Lo 54°

    Partly sunny with a t-storm

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

    Aug 3

    79°Lo 60°

    Partly sunny and nice

    Low ragweed pollen levels
    • Precip
      9%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      26%
    more
  • Mon

    Aug 4

    82°Lo 62°

    A thunderstorm possible

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      50%
    more
Next Previous
Hi 77° RealFeel® 80° Precipitation 40%

Day

N

E

S

W

  • W 6 mph
  • Gusts: 18 mph

Sunny to partly cloudy with a shower or thunderstorm in spots this afternoon

  • Max UV Index: 7 (High)
  • Thunderstorms: 40%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 58° RealFeel® 56° Precipitation 40%

Night

N

E

S

W

  • SW 3 mph
  • Gusts: 5 mph

A shower or thunderstorm in spots this evening; otherwise, partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

DeKalb Pollen Levels - July 31

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 77° 82° N/A 76°
Low 58° 62° N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:28 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:20 AM with 12:01 of moolight, then sets at 10:21 PM

Top Story

DeKalb Weather Report

Late-Week Thunderstorms in Store for Chicago

July 31, 2014; 2:58 AM ET

Thunderstorms will move into the Chicago area later this week, and the threat for storms will remain into the weekend. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps