• Today

    May 22

    69°Lo 45°

    Plenty of sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      78°
    more
  • Sat

    May 23

    75°Lo 55°

    Clouds and sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      79°
    more
  • Sun

    May 24

    74°Lo 61°

    Couple of thunderstorms

    Fair for lawn mowing
    • Hours of Precip
      7
    • Precip
      61%
    • Hi
      RealFeel
      76°
    more
  • Mon

    May 25

    77°Lo 64°

    Rather cloudy with t-storms

    Poor for lawn mowing
    • Hours of Precip
      4
    • Precip
      65%
    • Hi
      RealFeel
      74°
  • Tue

    May 26

    82°Lo 61°

    Occasional rain and a t-storm

    Fair for lawn mowing
    • Hours of Precip
      10
    • Precip
      55%
    • Hi
      RealFeel
      82°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
T-storms
Mostly Cloudy
Mostly Cloudy
T-storms
Cloudy
T-storms
T-storms
Cloudy
Temp (°F) 66° 68° 70° 69° 72° 74° 73° 75°
RealFeel® 60° 65° 68° 65° 71° 69° 69° 73°
Humidity 77% 75% 72% 76% 69% 73% 75% 67%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
54%
 
49%
 
47%
 
51%
 
43%
 
64%
 
64%
 
49%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 20 SSW 22 SSW 22 SSW 21 SSW 21 SSW 20 SSW 18 SSW 17 SSW
UV Index 2 3 3 3 3 2 2 1
Cloud Cover 84% 85% 87% 90% 93% 95% 97% 99%
Dew Point 59° 60° 60° 62° 62° 64° 65° 63°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 25

more Historical Weather Data >
  Today Normal Record 5/25/2014
High 77° 70° N/A 82°
Low 64° 47° N/A 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:24 AM with 14:53 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:36 PM with 13:08 of moolight, then sets at 1:44 AM

Crystal Lake Weather Report

Chicago: Highs to Rebound Through Memorial Day Weekend

May 22, 2015; 4:07 AM ET

After a very chilly first half of the week, temperatures will rebound close to normal through the Memorial Day Weekend. 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?

Mon. Degree Days

Mon. Evapotranspiration