• Tonight

    Aug 21

    Lo 72°

    Showers and a heavier t-storm

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      81°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      6 mph
    more
  • Fri

    Aug 22

    89°Lo 69°

    Warmer with a thunderstorm

    Poor for home energy
    • Avg
      RealFeel
      88°
    • Hi
      RealFeel
      104°
    • Wind
      Speed
      5 mph
  • Sat

    Aug 23

    85°Lo 69°

    A p.m. t-storm possible

    Poor for home energy
    • Avg
      RealFeel
      84°
    • Hi
      RealFeel
      99°
    • Wind
      Speed
      3 mph
    more
  • Sun

    Aug 24

    91°Lo 70°

    Periods of sun; hot, humid

    Poor for home energy
    • Avg
      RealFeel
      85°
    • Hi
      RealFeel
      100°
    • Wind
      Speed
      6 mph
    more
  • Mon

    Aug 25

    89°Lo 70°

    A t-storm in the afternoon

    Poor for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      96°
    • Wind
      Speed
      6 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
T-storms
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Sunny
Temp (°F) 78° 81° 84° 85° 87° 89° 89° 89°
RealFeel® 83° 91° 97° 99° 101° 104° 103° 100°
Humidity 82% 78% 74% 71% 68% 65% 64% 64%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
51%
 
47%
 
34%
 
34%
 
34%
 
34%
 
34%
 
37%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 5 SW 5 SW 5 SW 6 SW 6 SW 6 SW 6 S 6 SSE
UV Index 2 3 5 6 6 6 4 3
Cloud Cover 70% 46% 46% 46% 46% 46% 70% 47%
Dew Point 72° 74° 75° 75° 75° 76° 76° 75°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Aug 22

more Historical Weather Data >
  Today Normal Record 8/22/2013
High 89° 81° N/A 76°
Low 69° 63° N/A 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 13:36 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:30 AM with 14:23 of moolight, then sets at 5:53 PM

Top Story

Algonquin 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 >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Fri. Home Energy Efficiency

Fri. Degree Days

Fri. UV Index