• Today

    Aug 28

    75°Lo 65°

    An afternoon shower or two

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

    Aug 29

    85°Lo 68°

    A thunderstorm in the area

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

    Aug 30

    81°Lo 65°

    A thunderstorm or two

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

    Aug 31

    83°Lo 69°

    Clouds and sun with a shower

    Moderate ragweed pollen levels
    • Precip
      55%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      48%
    more
  • Mon

    Sep 1

    81°Lo 60°

    A couple of thunderstorms

    Ragweed Pollen Weather
    • Precip
      61%
    • Wind
      Speed
      11 mph
    • Cloud
      Cover
      75%
    more
Next Previous
Hi 81° RealFeel® 86° Precipitation 61%

Day

N

E

S

W

  • SSW 8 mph
  • Gusts: 13 mph

Variable cloudiness with a thunderstorm or two; humid

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.27 in
  • Rain: 0.27 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs
Lo 65° RealFeel® 64° Precipitation 15%

Night

N

E

S

W

  • SSW 4 mph
  • Gusts: 9 mph

Clear and humid

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • 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 30

more Historical Weather Data >
  Today Normal Record 8/30/2013
High 81° 78° N/A 95°
Low 65° 56° N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:15 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:10 AM with 10:48 of moolight, then sets at 9:58 PM

Top Story

Crystal Lake Weather Report

Thunderstorms Make a Return to Chicago

August 27, 2014; 1:16 PM ET

Thunderstorms and showers will persist in the Chicago area throughout the week and into the upcoming weekend. more >

Sat. Dust & Dander

Sat. Wind Maps