• Tonight

    Feb 9

    Lo 5°

    Breezy and very cold

    Ragweed Pollen Weather
    • 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

    18°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 -2°

    A snow shower in the morning

    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
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Cloudy
Mostly Clear
Mostly Clear
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 11°
RealFeel® -12° -13° -13° -13° -12° -8° -5° -2°
Humidity 77% 76% 78% 78% 76% 75% 72% 66%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
7%
 
7%
 
4%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 14 NW 13 NW 13 NW 13 NW 13 NW 13 NW 13 NW 13 NW
UV Index 0 0 0 0 0 1 2 2
Cloud Cover 59% 25% 10% 27% 45% 45% 45% 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; 8:55 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