• Today

    Sep 1

    81°Lo 66°

    Mostly cloudy with a t-storm

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
  • Tue

    Sep 2

    77°Lo 64°

    Partly sunny and less humid

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Sep 3

    80°Lo 69°

    Partly sunny

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Sep 4

    83°Lo 71°

    Partly sunny; breezy, humid

    High ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      68%
    more
  • Fri

    Sep 5

    77°Lo 61°

    Not as warm with t-storms

    Ragweed Pollen Weather
    • Precip
      66%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      86%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Cloudy
Mostly Cloudy
T-storms
Mostly Cloudy
Partly Cloudy
Mostly Cloudy
T-storms
Cloudy
Temp (°F) 79° 81° 77° 76° 75° 76° 75° 74°
RealFeel® 82° 82° 76° 78° 76° 75° 72° 72°
Humidity 75% 70% 86% 86% 84% 75% 79% 81%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
34%
 
40%
 
51%
 
47%
 
43%
 
47%
 
51%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 13 SW 14 SW 12 SW 11 SW 10 SW 8 SW 7 WSW 6 WSW
UV Index 4 3 1 1 0 0 0 0
Cloud Cover 91% 83% 79% 77% 73% 85% 88% 90%
Dew Point 71° 70° 72° 72° 71° 68° 68° 67°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 81° 80° 101° (1953) 84°
Low 66° 63° 45° (1949) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:08 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:08 PM with 10:10 of moolight, then sets at 11:18 PM

Top Story

Chicago Weather Report

Severe Storms to Threaten Chicago on Labor Day

September 1, 2014; 9:40 AM ET

Chicago will become the target of severe thunderstorms as the Labor Day holiday weekend comes to an end, creating dangers for those with outdoor plans. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps