• Today

    Aug 20

    87°Lo 71°

    A thunderstorm in spots

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Thu

    Aug 21

    88°Lo 73°

    A morning shower or t-storm

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Aug 22

    89°Lo 73°

    A p.m. t-storm in spots

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Aug 23

    92°Lo 72°

    Clouds and sun; hot, humid

    Moderate ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      46%
    more
  • Sun

    Aug 24

    92°Lo 71°

    Periods of sun, hot and humid

    Ragweed Pollen Weather
    • Precip
      18%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
5pm
6pm 7pm 8pm 9pm 10pm 11pm Thu
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Partly Cloudy
T-storms
Partly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
T-storms
Temp (°F) 86° 84° 82° 80° 78° 76° 74° 74°
RealFeel® 89° 86° 85° 83° 81° 79° 77° 74°
Humidity 53% 61% 67% 74% 80% 85% 87% 89%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
47%
 
51%
 
47%
 
34%
 
34%
 
37%
 
47%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 6 WSW 4 SW 3 SW 3 SW 3 SSW 3 SSW 4 SSW 4 SSW
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 50% 59% 65% 65% 63% 65% 70% 70%
Dew Point 68° 70° 70° 71° 71° 71° 70° 71°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2013
High 87° 83° 100° (1983) 85°
Low 71° 61° 42° (1950) 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:39 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:50 AM with 14:44 of moolight, then sets at 4:34 PM

Top Story

Peru Weather Report

Chicago: Showers, Thunderstorms to Return Thursday

August 20, 2014; 9:53 AM ET

There will be an uptick in humidity and storms in Chicago for much of this week. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps