• Today

    Aug 29

    72°Lo 61°

    Rain, then a shower

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

    Aug 30

    79°Lo 64°

    Partly sunny and warmer

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

    Aug 31

    86°Lo 67°

    Humid with plenty of sunshine

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

    Sep 1

    87°Lo 68°

    Mostly sunny and humid

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

    Sep 2

    87°Lo 66°

    Partly sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 86° RealFeel® 92° Precipitation 7%

Day

N

E

S

W

  • SSW 7 mph
  • Gusts: 10 mph

Humid with plenty of sunshine

  • 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 67° RealFeel® 66° Precipitation 10%

Night

N

E

S

W

  • SSW 6 mph
  • Gusts: 9 mph

Clear and humid

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2014
High 86° 78° N/A 84°
Low 67° 60° N/A 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:12 of sunlight, then sets at 7:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:41 PM with 13:02 of moolight, then sets at 9:43 AM

Round Lake Weather Report

Chicago: Heat, Humidity to Build Through Week

August 29, 2015; 11:26 AM ET

A turn to warmer conditions is in store for the Chicago area heading into the new week. more >

Mon. Dust & Dander

Mon. Wind Maps