• Today

    Sep 1

    81°Lo 62°

    Partly sunny with a t-storm

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Tue

    Sep 2

    81°Lo 60°

    Clouds and sun; less humid

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Sep 3

    85°Lo 71°

    Partly sunny and more humid

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
  • Thu

    Sep 4

    88°Lo 71°

    Clouds and sun

    High ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      11 mph
    • Cloud
      Cover
      67%
    more
  • Fri

    Sep 5

    78°Lo 59°

    Not as warm with a t-storm

    Ragweed Pollen Weather
    • Precip
      63%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      69%
    more
Next Previous
Hi 85° RealFeel® 87° Precipitation 25%

Day

N

E

S

W

  • S 8 mph
  • Gusts: 16 mph

Partly sunny and more humid

  • Max UV Index: 6 (High)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 71° RealFeel® 66° Precipitation 60%

Night

N

E

S

W

  • S 10 mph
  • Gusts: 14 mph

Mainly cloudy; warm and humid with occasional rain and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.8 in
  • Rain: 0.8 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2013
High 85° 81° 98° (1953) 76°
Low 71° 57° 41° (1997) 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 13:01 of sunlight, then sets at 7:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:10 PM with 10:05 of moolight, then sets at 1:15 AM

Top Story

Peru Weather Report

Severe Storms to Threaten Chicago on Labor Day

September 1, 2014; 9:40 AM ET

Chicago will become the target of severe thunderstorms as the Labor Day holiday weekend comes to an end, creating dangers for those with outdoor plans. more >

Wed. Dust & Dander

Wed. Wind Maps