• Today

    Mar 4

    17°Lo -2°

    Colder with clouds and sun

    Unlikely for a snow day
    • Snow
      5%
    • Ice
      0%
    • Snow
      0 in
  • Thu

    Mar 5

    11°Lo 0°

    Sunny and frigid

    Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Mar 6

    27°Lo 21°

    Breezy with partial sunshine

    Very Unlikely for a snow day
    • Snow
      13%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    Mar 7

    37°Lo 22°

    Periods of sun; not as cold

    Very Unlikely for a snow day
    • Snow
      6%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Mar 8

    37°Lo 23°

    Partly sunny

    Very Unlikely for a snow day
    • Snow
      10%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
6pm
7pm 8pm 9pm 10pm 11pm Thu
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Partly Cloudy
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Clear
Temp (°F) 13° 10° 10°
RealFeel® -5° -8° -9° -10° -12° -13° -15° -16°
Humidity 63% 66% 67% 69% 72% 73% 73% 73%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (mph) 14 WNW 14 WNW 14 WNW 14 WNW 13 WNW 13 WNW 13 WNW 13 NW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 45% 10% 10% 10% 10% 10% 10% 2%
Dew Point -1° -2° -3° -4°
Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F Middle Grid line 0 F

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 17° 38° N/A 20°
Low -2° 19° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 11:23 of sunlight, then sets at 5:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:05 PM with 13:03 of moolight, then sets at 6:08 AM

Crystal Lake Weather Report

Chicago: Bitter Cold to Depart by the Weekend

March 4, 2015; 10:53 AM ET

While frigid conditions will encompass the Chicago area over the next couple of days, the weekend will offer a break from the bitter cold. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Wed. Snow Day Potential