• Today

    Feb 12

    23°Lo -2°

    Some sun returning; very cold

    Beneficial weather for migraines
    • Hi
      RealFeel
    • UV
      2 - Low
    • Cloud
      Cover
      75%
  • Sat

    Feb 13

    12°Lo -1°

    Mostly sunny and frigid

    At Risk weather for migraines
    • Hi
      RealFeel
    • UV
      4 - Moderate
    • Cloud
      Cover
      11%
    more
  • Sun

    Feb 14

    21°Lo 19°

    Very cold with a little snow

    At Risk weather for migraines
    • Hi
      RealFeel
    • UV
      2 - Low
    • Cloud
      Cover
      98%
    more
  • Mon

    Feb 15

    31°Lo 20°

    Not as cold with low clouds

    Neutral weather for migraines
    • Hi
      RealFeel
      23°
    • UV
      2 - Low
    • Cloud
      Cover
      95%
    more
  • Tue

    Feb 16

    33°Lo 15°

    A bit of afternoon snow

    Beneficial weather for migraines
    • Hi
      RealFeel
      24°
    • UV
      2 - Low
    • Cloud
      Cover
      92%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
8pm
9pm 10pm 11pm Sat
12am
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Mostly Clear
Mostly Clear
Clear
Clear
Clear
Clear
Clear
Clear
Temp (°F) 12°
RealFeel® -10° -14° -17° -17° -17° -22° -22° -22°
Humidity 57% 62% 67% 69% 69% 69% 71% 72%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
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Snow
 
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Ice
 
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 17 NW 16 NNW 15 NNW 15 NNW 14 NNW 16 NNW 15 NW 14 NW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 10% 10% 7% 0% 0% 0% 0% 0%
Dew Point -1° -2° -4° -4° -5° -6° -6° -7°
Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F Middle Grid line 0 F Middle Grid line -5 F

Temperature History - Feb 12

more Historical Weather Data >
  Today Normal Record 2/12/2015
High 23° 31° N/A 13°
Low -2° 13° N/A -4°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:54 AM with 10:28 of sunlight, then sets at 5:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:17 AM with 13:11 of moolight, then sets at 10:28 PM

Crystal Lake Weather Report

Chicago: Dangerous cold to hold through weekend

February 12, 2016; 8:24 AM ET

Conditions will continue to be dangerously cold into the weekend in the Chicago area. more >

Fri. Migraine Headache

Fri. UV Index