• Today

    Sep 16

    65°Lo 44°

    Mostly sunny and warmer

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

    Sep 17

    69°Lo 48°

    Partly sunny and pleasant

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

    Sep 18

    70°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 61°

    Pleasant with periods of sun

    Low ragweed pollen levels
    • Precip
      5%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      46%
    more
  • Sat

    Sep 20

    79°Lo 62°

    A couple of p.m. t-storms

    Ragweed Pollen Weather
    • Precip
      60%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      79%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 44° 47° 52° 58° 62° 64° 66° 67°
RealFeel® 44° 48° 54° 63° 69° 72° 73° 73°
Humidity 86% 84% 75% 66% 61% 56% 53% 50%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
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%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 2 SSW 2 SSW 2 SW 2 SW 3 SW 3 SW 3 WSW 3 WSW
UV Index 0 0 1 3 4 5 5 5
Cloud Cover 11% 26% 26% 26% 26% 26% 26% 26%
Dew Point 40° 43° 44° 47° 49° 48° 48° 48°
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 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 69° 77° 92° (1954) 72°
Low 48° 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 16, 2014; 9:12 AM 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