• Today

    Feb 9

    21°Lo 5°

    Colder with a little snow

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

    Feb 10

    14°Lo 5°

    Partly sunny and frigid

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

    Feb 11

    20°Lo 10°

    Mostly sunny and very cold

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

    Feb 12

    22°Lo -2°

    Very cold with a snow shower

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

    Feb 13

    12°Lo -2°

    Mostly sunny and frigid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
1am
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  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Clear
Mostly Clear
Mostly Sunny
Partly Sunny
Temp (°F) 10°
RealFeel® -10° -10° -11° -12° -13° -13° -13° -12°
Humidity 79% 80% 79% 77% 76% 78% 78% 76%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
7%
 
7%
 
7%
 
7%
 
7%
 
4%
 
0%
 
0%
Ice
 
0%
 
0%
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 15 NW 15 NW 14 NW 14 NW 13 NW 13 NW 13 NW 13 NW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 96% 100% 90% 59% 25% 10% 27% 45%
Dew Point -1°
Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F Middle Grid line 0 F

Temperature History - Feb 10

more Historical Weather Data >
  Today Normal Record 2/10/2015
High 14° 30° N/A 29°
Low 12° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:57 AM with 10:22 of sunlight, then sets at 5:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:05 AM with 12:00 of moolight, then sets at 8:05 PM

Crystal Lake Weather Report

Chicago: Cold air to blast region through weekend

February 9, 2016; 2:25 PM ET

Cold air will grip the Chicago area into the weekend with temperatures up to 15 degrees Fahrenheit below average for this time of year. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps