• Early AM

    Aug 22

    Lo 73°

    A couple of showers and heavy thunderstorms

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Aug 22

    89°Lo 70°

    Warmer with a thunderstorm

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Aug 23

    84°Lo 69°

    A thunderstorm in spots

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Aug 24

    90°Lo 71°

    Clouds and sun; hot, humid

    Moderate ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      48%
  • Mon

    Aug 25

    89°Lo 68°

    An afternoon thunderstorm

    Ragweed Pollen Weather
    • Precip
      53%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      34%
    more
Next Previous
Hi 90° RealFeel® 99° Precipitation 25%

Day

N

E

S

W

  • S 6 mph
  • Gusts: 11 mph

Hot and humid with times of sun and clouds

  • 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® 71° Precipitation 25%

Night

N

E

S

W

  • S 6 mph
  • Gusts: 8 mph

Mainly clear, warm and humid

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • 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 24

more Historical Weather Data >
  Today Normal Record 8/24/2013
High 90° 79° N/A 84°
Low 71° 57° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 13:33 of sunlight, then sets at 7:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:25 AM with 14:02 of moolight, then sets at 6:27 PM

Top Story

Crystal Lake Weather Report

Chicago: Threat of Thunderstorms Lingers After Heavy Rains Flood Wrigley Field

August 21, 2014; 12:59 PM ET

While there may be a mix of sunshine and clouds over the area, Chicago is facing more rounds of thunderstorms over the next several days. more >

Sun. Dust & Dander

Sun. Wind Maps