• Today

    Aug 21

    85°Lo 72°

    Showers and a heavier t-storm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Fri

    Aug 22

    91°Lo 71°

    Partly sunny, a t-storm; hot

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    Aug 23

    87°Lo 71°

    Clouds and sun with a t-storm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Aug 24

    92°Lo 71°

    Clouds and sun; hot, humid

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Aug 25

    90°Lo 68°

    A t-storm around in the p.m.

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Mostly Cloudy
T-storms
Mostly Cloudy
T-storms
Mostly Cloudy
Partly Cloudy
Mostly Cloudy
T-storms
Temp (°F) 85° 82° 83° 82° 82° 80° 79° 79°
RealFeel® 94° 93° 92° 90° 89° 85° 82° 78°
Humidity 68% 86% 80% 85% 81% 80% 79% 80%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
43%
 
51%
 
43%
 
55%
 
49%
 
46%
 
48%
 
52%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 7 SW 7 SSW 7 SSW 7 SSW 7 SSW 6 S 6 S 6 S
UV Index 5 4 3 2 1 0 0 0
Cloud Cover 80% 73% 79% 79% 76% 72% 76% 79%
Dew Point 73° 77° 76° 77° 76° 74° 72° 72°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 85° 82° N/A 90°
Low 72° 63° N/A 59°

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 2:35 AM with 14:38 of moolight, then sets at 5:13 PM

Top Story

Lisle 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 >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Thu. Snow Day Potential