• Today

    Aug 1

    84°Lo 67°

    Beautiful with sunshine

    Excellent for driving
    • Precip
      7%
    • Hours of Precip
      1
    • Rain
      0.15 in
  • Sun

    Aug 2

    84°Lo 62°

    A strong thunderstorm

    Fair for driving
    • Precip
      56%
    • Hours of Precip
      4
    • Rain
      0.50 in
    more
  • Mon

    Aug 3

    80°Lo 56°

    Clouds and sun; less humid

    Very Good for driving
    • Precip
      14%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Tue

    Aug 4

    80°Lo 59°

    Pleasant with clouds and sun

    Excellent for driving
    • Precip
      11%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Wed

    Aug 5

    77°Lo 58°

    Partly sunny and delightful

    Excellent for driving
    • Precip
      11%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
10pm
11pm Sun
12am
1am 2am 3am 4am 5am
  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 72° 71° 71° 70° 69° 68° 68° 67°
RealFeel® 70° 68° 68° 67° 66° 65° 65° 64°
Humidity 70% 72% 75% 77% 76% 76% 78% 80%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
6%
 
7%
 
7%
 
11%
 
19%
 
19%
 
24%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 7 WSW 8 WSW 8 SW 9 SW 9 SW 9 SW 9 SW 10 SW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 76% 76% 76% 76%
Dew Point 62° 61° 62° 62° 61° 60° 61° 61°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 84° 80° N/A 81°
Low 67° 60° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:27 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:55 PM with 11:31 of moolight, then sets at 8:26 AM

Crystal Lake Weather Report

Chicago: Cooler Weather to Move in Midweek

August 1, 2015; 9:27 AM ET

After a warm start to the week, a trend toward cooler temperatures can be expected. more >

Travel Weather Forecast

Aug 01, 2015; 6:05 AM ET United States travel weather forecast

Sat. Travel Weather

48 Hour Precipitation Forecast

Sat. Driving Weather