• Today

    Apr 19

    63°Lo 49°

    Cloudy; p.m. rain, colder

    Fair for lawn mowing
    • Hours of Precip
      9.5
    • Precip
      97%
    • Hi
      RealFeel
      65°
  • Mon

    Apr 20

    55°Lo 34°

    Cooler; a shower in the a.m.

    Fair for lawn mowing
    • Hours of Precip
      0.5
    • Precip
      55%
    • Hi
      RealFeel
      49°
    more
  • Tue

    Apr 21

    53°Lo 33°

    Variable clouds; windy, cool

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      46°
    more
  • Wed

    Apr 22

    49°Lo 29°

    Windy with variable clouds

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      42°
    more
  • Thu

    Apr 23

    49°Lo 29°

    Sunny and breezy

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      16%
    • Hi
      RealFeel
      46°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Temp (°F) 49° 48° 47° 48° 52° 55° 58° 60°
RealFeel® 43° 43° 40° 40° 47° 52° 56° 59°
Humidity 66% 65% 67% 65% 59% 54% 52% 53%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 10 ESE 10 ESE 12 ESE 13 ESE 10 ESE 10 ESE 12 ESE 12 ESE
UV Index 0 0 0 0 1 1 2 3
Cloud Cover 85% 77% 80% 82% 89% 89% 93% 93%
Dew Point 38° 37° 37° 37° 38° 39° 40° 43°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 19

more Historical Weather Data >
  Today Normal Record 4/19/2014
High 63° 58° N/A 62°
Low 49° 36° N/A 31°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 13:33 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:49 AM with 14:07 of moolight, then sets at 8:56 PM

Crystal Lake Weather Report

Chicago: Rain to Span Second Half of Weekend

April 19, 2015; 5:55 AM ET

The second half of the weekend will see a combination of lower temperatures and significant rainfall, but Chicago will slowly pull out of the damp, cooler conditions through the new week. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Current Drought Status

Current Soil Conditions

Sun. Overnight Freeze

Sun. Degree Days

Sun. Evapotranspiration