• Today

    Aug 21

    89°Lo 73°

    A thunderstorm in spots

    Very Good for an outdoor bbq
    • Precip
      50%
    • Hi
      RealFeel
      98°
    • Wind
      Gust
      12 mph
  • Fri

    Aug 22

    92°Lo 72°

    A thunderstorm in the area

    Good for an outdoor bbq
    • Precip
      43%
    • Hi
      RealFeel
      106°
    • Wind
      Gust
      11 mph
    more
  • Sat

    Aug 23

    90°Lo 71°

    Hot and humid with some sun

    Excellent for an outdoor bbq
    • Precip
      25%
    • Hi
      RealFeel
      108°
    • Wind
      Gust
      4 mph
    more
  • Sun

    Aug 24

    93°Lo 71°

    Periods of sun; hot, humid

    Excellent for an outdoor bbq
    • Precip
      17%
    • Hi
      RealFeel
      102°
    • Wind
      Gust
      10 mph
    more
  • Mon

    Aug 25

    91°Lo 67°

    A stray afternoon t-storm

    Excellent for an outdoor bbq
    • Precip
      43%
    • Hi
      RealFeel
      99°
    • Wind
      Gust
      9 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Cloudy
T-storms
T-storms
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
T-storms
Temp (°F) 71° 71° 70° 71° 72° 73° 76° 80°
RealFeel® 72° 70° 69° 72° 74° 78° 84° 90°
Humidity 92% 92% 93% 93% 92% 90% 88% 80%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
24%
 
53%
 
55%
 
49%
 
40%
 
34%
 
40%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 4 SSE 4 SSE 4 SSE 4 SSE 4 ENE 5 ESE 6 SE 6 SE
UV Index 0 0 0 0 1 2 3 4
Cloud Cover 89% 80% 73% 60% 88% 88% 93% 93%
Dew Point 69° 68° 68° 69° 69° 70° 72° 74°
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 89° 82° 101° (1947) 90°
Low 73° 62° 46° (1950) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:36 of sunlight, then sets at 7:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

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

Top Story

Ottawa Weather Report

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

August 21, 2014; 8:51 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 >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.

Thu. Outdoor Entertaining

Thu. Wind Maps

Thu. UV Index