• Today

    Aug 21

    87°Lo 72°

    Showers and a heavier t-storm

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

    Aug 22

    90°Lo 71°

    Some sun with a thunderstorm

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

    Aug 23

    87°Lo 70°

    Periods of sun with a t-storm

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

    Aug 24

    90°Lo 71°

    Partly sunny, hot and humid

    Moderate ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      50%
    more
  • Mon

    Aug 25

    89°Lo 68°

    A t-storm around in the p.m.

    Ragweed Pollen Weather
    • Precip
      40%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      27%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
T-storms
Mostly Cloudy
Partly Cloudy
T-storms
Partly Cloudy
Partly Cloudy
T-storms
Mostly Cloudy
Temp (°F) 74° 77° 80° 79° 83° 87° 82° 84°
RealFeel® 75° 83° 89° 89° 96° 99° 95° 95°
Humidity 86% 82% 78% 90% 78% 66% 90% 79%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
57%
 
49%
 
49%
 
53%
 
49%
 
47%
 
51%
 
43%
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 W 6 W 6 W 6 WSW 6 SW 6 SW 6 SSW 7 SSW
UV Index 1 2 4 5 5 5 4 3
Cloud Cover 92% 88% 73% 69% 65% 69% 78% 84%
Dew Point 70° 71° 73° 75° 75° 74° 78° 77°
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 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 87° 82° 99° (1955) 91°
Low 72° 66° 46° (1950) 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:05 AM with 13:37 of sunlight, then sets at 7:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:35 AM with 14:36 of moolight, then sets at 5:11 PM

Top Story

Oak Forest 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 >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps