• Today

    Aug 20

    82°Lo 70°

    Sun mixing with clouds

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

    Aug 21

    82°Lo 72°

    A couple of thunderstorms

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

    Aug 22

    84°Lo 70°

    A couple of thunderstorms

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

    Aug 23

    82°Lo 72°

    Clouds and sun with a t-storm

    Moderate ragweed pollen levels
    • Precip
      60%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      46%
    more
  • Sun

    Aug 24

    86°Lo 71°

    Very warm with clouds and sun

    Ragweed Pollen Weather
    • Precip
      21%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
T-storms
Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
T-storms
Cloudy
Temp (°F) 73° 72° 72° 70° 72° 73° 74° 75°
RealFeel® 72° 73° 72° 69° 72° 73° 73° 78°
Humidity 84% 85% 87% 93% 86% 85% 82% 81%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
51%
 
47%
 
17%
 
17%
 
22%
 
48%
 
52%
 
48%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 3 SW 3 SW 4 SSW 4 S 5 S 5 S 5 SSW 6 SSW
UV Index 0 0 0 0 0 1 1 2
Cloud Cover 68% 73% 79% 84% 90% 92% 91% 90%
Dew Point 68° 68° 68° 68° 68° 68° 68° 68°
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 82° 82° N/A 90°
Low 72° 63° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:05 AM with 13:38 of sunlight, then sets at 7:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:34 AM with 14:39 of moolight, then sets at 5:13 PM

Top Story

Chicago Weather Report

Chicago: Showers, Thunderstorms to Return Thursday

August 20, 2014; 3:53 AM ET

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

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps