• Today

    Aug 21

    89°Lo 73°

    Humid with some sun

    Good for driving
    • Precip
      50%
    • Hours of Precip
      4.5
    • Rain
      0.82 in
    more
  • Fri

    Aug 22

    92°Lo 72°

    A thunderstorm in the area

    Fair for driving
    • Precip
      43%
    • Hours of Precip
      3.5
    • Rain
      0.55 in
  • Sat

    Aug 23

    90°Lo 71°

    Hot and humid with some sun

    Excellent for driving
    • Precip
      25%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sun

    Aug 24

    93°Lo 71°

    Periods of sun; hot, humid

    Excellent for driving
    • Precip
      17%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Mon

    Aug 25

    91°Lo 67°

    A stray afternoon t-storm

    Good for driving
    • Precip
      43%
    • Hours of Precip
      2.5
    • Rain
      0.23 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
T-storms
Partly Cloudy
Cloudy
Temp (°F) 88° 90° 92° 91° 90° 85° 84° 82°
RealFeel® 104° 104° 106° 103° 102° 98° 97° 93°
Humidity 69% 65% 63% 63% 66% 85% 86% 86%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
33%
 
33%
 
33%
 
36%
 
47%
 
51%
 
47%
 
49%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 6 WSW 7 SW 7 SW 7 SW 6 SW 5 SSW 4 SSW 4 SSW
UV Index 7 6 5 3 2 1 0 0
Cloud Cover 15% 22% 37% 51% 59% 70% 65% 72%
Dew Point 77° 77° 78° 77° 78° 80° 79° 78°
Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F

Temperature History - Aug 22

more Historical Weather Data >
  Today Normal Record 8/22/2013
High 92° 82° 103° (1936) 73°
Low 72° 62° 45° (1923) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:34 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:34 AM with 14:19 of moolight, then sets at 5:53 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 >

Travel Weather Forecast

Aug 21, 2014; 11:44 AM ET United States travel weather forecast

Fri. Travel Weather

48 Hour Precipitation Forecast

Fri. Driving Weather