• Today

    Sep 18

    70°Lo 48°

    Mostly sunny and comfortable

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

    Sep 19

    73°Lo 59°

    Times of clouds and sun

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

    Sep 20

    80°Lo 58°

    A couple of p.m. t-storms

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

    Sep 21

    72°Lo 47°

    Clouds breaking; less humid

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      54%
    more
  • Mon

    Sep 22

    67°Lo 45°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      50%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Sunny
Mostly Sunny
Mostly Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 43° 47° 51° 56° 61° 66° 67° 68°
RealFeel® 45° 48° 53° 60° 66° 70° 72° 72°
Humidity 100% 100% 93% 84% 75% 62% 59% 57%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
0%
 
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0%
 
0%
 
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0%
Snow
 
0%
 
0%
 
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Ice
 
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 1 NNE 2 NE 3 NE 4 NE 5 ENE 5 ENE 5 E 6 ENE
UV Index 0 0 1 3 4 5 5 5
Cloud Cover 0% 24% 12% 2% 0% 4% 10% 17%
Dew Point 43° 47° 49° 51° 53° 53° 52° 52°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 70° 74° N/A 80°
Low 48° 54° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 12:22 of sunlight, then sets at 6:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:25 AM with 14:26 of moolight, then sets at 3:51 PM

Top Story

Aurora Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 17, 2014; 1:12 PM ET

The cooler, below-average conditions responsible for the fall-like feel will hold through the end of the week over the Chicago area. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps