• Today

    Feb 9

    21°Lo 6°

    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

    15°Lo 5°

    Partly sunny and frigid

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

    Feb 11

    20°Lo 10°

    Mostly sunny and frigid

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

    Feb 12

    22°Lo 0°

    A bit of snow in the morning

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

    Feb 13

    13°Lo 3°

    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 >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Mostly Cloudy
Snow
Mostly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 14° 15° 17° 19° 21° 22° 21° 20°
RealFeel® 10° 11° 10°
Humidity 75% 70% 64% 60% 57% 53% 53% 55%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
49%
 
49%
 
56%
 
49%
 
2%
 
2%
 
2%
 
2%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 8 W 9 W 10 WNW 10 WNW 12 NW 13 NW 14 NW 14 NNW
UV Index 1 1 2 2 2 2 1 0
Cloud Cover 80% 80% 80% 80% 45% 45% 45% 45%
Dew Point
Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F

Temperature History - Feb 12

more Historical Weather Data >
  Today Normal Record 2/12/2015
High 22° 31° N/A 13°
Low 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: Cold air to blast region through weekend

February 9, 2016; 4:25 AM 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 >

Fri. Dust & Dander

Fri. Wind Maps