• Today

    Apr 27

    57°Lo 34°

    Mostly sunny

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

    Apr 28

    60°Lo 36°

    Sunshine and patchy clouds

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Wed

    Apr 29

    62°Lo 36°

    Periods of sun

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

    Apr 30

    57°Lo 37°

    Breezy with periods of sun

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

    May 1

    65°Lo 47°

    Sunny and warmer

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Clear
Clear
Clear
Clear
Clear
Sunny
Sunny
Mostly Sunny
Temp (°F) 38° 36° 35° 35° 34° 36° 38° 42°
RealFeel® 37° 35° 34° 33° 32° 35° 37° 42°
Humidity 77% 79% 81% 82% 85% 85% 81% 73%
   
  1am 2am 3am 4am 5am 6am 7am 8am
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%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 5 N 5 N 5 N 5 N 5 N 5 N 5 N 6 N
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 0% 0% 0% 0% 0% 0% 0% 25%
Dew Point 32° 30° 30° 30° 30° 32° 32° 34°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Apr 28

more Historical Weather Data >
  Today Normal Record 4/28/2014
High 60° 61° N/A 48°
Low 36° 39° N/A 38°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 13:56 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:46 PM with 12:56 of moolight, then sets at 3:42 AM

Crystal Lake Weather Report

Sunshine to Prevail This Week in Chicago

April 27, 2015; 5:42 AM ET

Sunny skies and cooler conditions will be the rule this week in Chicago. 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

Tue. Snow Day Potential