• Tonight

    Aug 21

    Lo 73°

    Showers and a heavier t-storm

    Construction Weather
    • Precip
      85%
    • Hours of Precip
      6.5
    • Hi
      RealFeel
      88°
  • Fri

    Aug 22

    89°Lo 70°

    Warmer with a thunderstorm

    Fair for outdoor DIY projects
    • Precip
      62%
    • Hours of Precip
      1.5
    • Hi
      RealFeel
      103°
    more
  • Sat

    Aug 23

    84°Lo 69°

    A p.m. t-storm possible

    Very Good for outdoor DIY projects
    • Precip
      30%
    • Hours of Precip
      0
    • Hi
      RealFeel
      98°
    more
  • Sun

    Aug 24

    90°Lo 71°

    Clouds and sun; hot, humid

    Excellent for outdoor DIY projects
    • Precip
      25%
    • Hours of Precip
      0
    • Hi
      RealFeel
      99°
    more
  • Mon

    Aug 25

    89°Lo 68°

    An afternoon thunderstorm

    Very Good for outdoor DIY projects
    • Precip
      53%
    • Hours of Precip
      1
    • Hi
      RealFeel
      97°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
6pm
7pm 8pm 9pm 10pm 11pm Fri
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
T-storms
Mostly Cloudy
Temp (°F) 76° 77° 77° 75° 77° 77° 76° 76°
RealFeel® 85° 82° 82° 81° 81° 80° 77° 79°
Humidity 99% 92% 94% 94% 87% 87% 87% 87%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
34%
 
34%
 
34%
 
34%
 
37%
 
47%
 
51%
 
47%
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) 7 SSE 6 SSE 5 NE 4 SE 4 ESE 5 ESE 5 ESE 5 SE
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 71% 73% 76% 84% 89% 88% 87% 88%
Dew Point 76° 74° 75° 74° 73° 72° 72° 72°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 77° 79° N/A 87°
Low 73° 58° N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 13:38 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:35 AM with 14:40 of moolight, then sets at 5:15 PM

Top Story

Crystal Lake Weather Report

Chicago: Threat of Thunderstorms Lingers After Heavy Rains Flood Wrigley Field

August 21, 2014; 12:59 PM ET

While there may be a mix of sunshine and clouds over the area, Chicago is facing more rounds of thunderstorms over the next several days. more >

How to maximize your closet space

Have you turned your walk-in closet into a blocked-in closet, overflowing with clothes and hangers? Linda Koopersmith, The Beverly Hills Organizer, shows you a few simple tips to maximize your closet space.

Thu. Outdoor DIY Projects

Thu. Wind Maps

Thu. UV Index