• Today

    Aug 3

    80°Lo 55°

    Mostly sunny and less humid

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

    Aug 4

    81°Lo 58°

    Mostly sunny and delightful

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

    Aug 5

    80°Lo 62°

    An afternoon shower in spots

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

    Aug 6

    78°Lo 60°

    Some sun, then turning cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Fri

    Aug 7

    78°Lo 61°

    Pleasant with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 80° RealFeel® 86° Precipitation 54%

Day

N

E

S

W

  • ESE 7 mph
  • Gusts: 12 mph

Mostly cloudy with a stray shower in the afternoon

  • Max UV Index: 6 (High)
  • Thunderstorms: 29%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 62° RealFeel® 60° Precipitation 11%

Night

N

E

S

W

  • E 7 mph
  • Gusts: 10 mph

Mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 29%
  • 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 5

more Historical Weather Data >
  Today Normal Record 8/5/2014
High 80° 80° N/A 77°
Low 62° 60° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:50 AM with 14:18 of sunlight, then sets at 8:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:23 PM with 13:47 of moolight, then sets at 1:10 PM

Crystal Lake Weather Report

Chicago: Cooler Conditions to Last Through Week

August 3, 2015; 10:50 AM ET

The Chicagoland area will experience cooler weather throughout the week. more >

Wed. Dust & Dander

Wed. Wind Maps