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  • Today

    Sep 17

    Mostly sunny and pleasant 70°Lo 46°
  • Thu

    Sep 18

    Mostly sunny and pleasant 68°Lo 49°
    more
  • Fri

    Sep 19

    Times of clouds and sun 73°Lo 60°
    more
  • Sat

    Sep 20

    A couple of p.m. t-storms 79°Lo 60°
    more
  • Sun

    Sep 21

    Chance of a morning shower 75°Lo 54°
    more
< Previous 8 hours Next 8 hours >
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Forecast
Mostly Sunny
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Mostly Sunny
Clear
Temp (°F) 67° 68° 70° 69° 68° 66° 62° 59°
RealFeel® 73° 74° 74° 71° 67° 63° 61° 59°
Humidity 47% 45% 44% 46% 49% 54% 61% 67%
   
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Rain
 
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Ice
 
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  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 5 WSW 4 WSW 4 WSW 3 W 3 W 2 WNW 1 N 1 N
UV Index 5 5 4 3 1 0 0 0
Cloud Cover 10% 10% 11% 11% 11% 11% 11% 0%
Dew Point 46° 46° 47° 48° 48° 49° 48° 48°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 70° 72° N/A 70°
Low 46° 48° N/A 35°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 12:25 of sunlight, then sets at 7:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:30 AM with 14:43 of moolight, then sets at 3:13 PM

Top Story

Crystal Lake Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 17, 2014; 1:12 AM ET

The cooler, below-average conditions responsible for the fall-like feel will hold through the end of the week over the Chicago area. more >

ABC 7 Chicago Headlines

Officer responsible for monitoring sex assault suspect suspended

The officer responsible for monitoring a 17-year-old, who is charged with sexually assaulting a pregnant woman, has been temporarily suspended.

Boy, 15, critically injured in West Garfield Park shooting

Naperville city council approves sweeping new bar regulations