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  • Today

    Aug 21

    Showers and a heavier t-storm 87°Lo 74°
  • Fri

    Aug 22

    Clouds and sun with a t-storm 91°Lo 71°
    more
  • Sat

    Aug 23

    Partly sunny with a t-storm 87°Lo 72°
    more
  • Sun

    Aug 24

    Partly sunny, hot and humid 91°Lo 73°
    more
  • Mon

    Aug 25

    An afternoon thunderstorm 91°Lo 70°
    more
< Previous 8 hours Next 8 hours >
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Forecast
T-storms
T-storms
Mostly Cloudy
Cloudy
T-storms
Mostly Cloudy
Mostly Cloudy
T-storms
Temp (°F) 71° 70° 70° 73° 75° 78° 80° 79°
RealFeel® 70° 68° 70° 74° 76° 84° 88° 88°
Humidity 87% 90% 90% 83% 79% 75% 71% 81%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
52%
 
55%
 
49%
 
47%
 
51%
 
47%
 
47%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 4 SSW 4 SSW 4 SSW 4 SSW 4 SSW 4 SSW 5 S 5 S
UV Index 0 0 0 1 1 3 4 4
Cloud Cover 83% 91% 79% 91% 93% 88% 83% 77%
Dew Point 67° 67° 67° 68° 68° 69° 70° 73°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 87° 82° 99° (1955) 90°
Low 74° 63° 46° (1950) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 13:38 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:34 AM with 14:39 of moolight, then sets at 5:13 PM

Top Story

Arlington Heights Weather Report

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

August 21, 2014; 5:20 AM 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 >

ABC 7 Chicago Headlines

Boy, 9, fatally shot in Greater Grand Crossing

Antonio Smith, 9, died after he was shot in the Greater Grand Crossing neighborhood, his family told Eyewitness News Wednesday night.

James Foley remembered by Chicago-area colleagues, friends

Harvey hostage situation ends; 2 suspects in custody