• Tonight

    Sep 17

    Lo 47°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Thu

    Sep 18

    72°Lo 50°

    Partly sunny and pleasant

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

    Sep 19

    75°Lo 60°

    Pleasant with periods of sun

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

    Sep 20

    80°Lo 60°

    A t-storm in the afternoon

    Low ragweed pollen levels
    • Precip
      55%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      76%
    more
  • Sun

    Sep 21

    76°Lo 52°

    Clouds giving way to some sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      51%
    more
Next Previous
Next 8 hours >
  Wed
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Clear
Clear
Clear
Mostly Clear
Mostly Clear
Partly Cloudy
Partly Cloudy
Partly Sunny
Temp (°F) 49° 47° 46° 46° 46° 45° 45° 46°
RealFeel® 50° 48° 47° 47° 47° 46° 46° 46°
Humidity 82% 84% 86% 87% 88% 89% 89% 88%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 1 ESE 1 E 1 ENE 1 N 1 ESE 1 N 1 N 1 NNE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 3% 5% 9% 17% 26% 40% 35% 30%
Dew Point 44° 43° 42° 42° 42° 42° 42° 42°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 70° 77° 92° (1954) 72°
Low 47° 52° 41° (1990) 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:24 of sunlight, then sets at 7:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:36 AM with 14:38 of moolight, then sets at 3:14 PM

Top Story

Peru 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 >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps