• Tonight

    Aug 3

    Lo 56°

    Mainly clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Tue

    Aug 4

    81°Lo 59°

    Mostly sunny and delightful

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

    Aug 5

    81°Lo 63°

    Mostly cloudy

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

    Aug 6

    79°Lo 64°

    Rather cloudy

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

    Aug 7

    77°Lo 61°

    Clouds and sun with a t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 62° 60° 59° 58° 56° 59° 60° 64°
RealFeel® 62° 60° 59° 58° 56° 58° 60° 65°
Humidity 73% 70% 72% 75% 77% 82% 79% 72%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
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0%
 
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0%
Snow
 
0%
 
0%
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 5 W 5 W 5 W 5 W 5 W 5 W 5 W 6 W
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 11% 11% 11% 11% 11% 11% 11% 10%
Dew Point 53° 51° 50° 50° 49° 53° 53° 55°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2014
High 81° 80° N/A 81°
Low 59° 60° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:20 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:45 PM with 13:16 of moolight, then sets at 12:01 PM

Crystal Lake Weather Report

Chicago: Cooler Conditions to Last Through Week

August 3, 2015; 10:50 PM ET

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

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps