• Today

    Sep 17

    66°Lo 45°

    Partly sunny and nice

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

    Sep 18

    66°Lo 48°

    Mostly sunny and nice

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

    Sep 19

    70°Lo 58°

    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

    75°Lo 57°

    A couple of p.m. t-storms

    Low ragweed pollen levels
    • Precip
      74%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      78%
    more
  • Sun

    Sep 21

    72°Lo 51°

    A morning shower possible

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      51%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 62° 63° 64° 65° 66° 65° 62° 60°
RealFeel® 67° 69° 70° 69° 68° 66° 62° 60°
Humidity 54% 52% 51% 50% 49% 52% 58% 63%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
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%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 4 SW 4 SW 4 SW 4 SW 4 SW 3 WSW 2 NNW 1 N
UV Index 3 4 4 4 2 1 0 0
Cloud Cover 83% 68% 56% 46% 31% 21% 11% 11%
Dew Point 45° 45° 46° 46° 46° 47° 48° 47°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 66° 74° 85° (1997) 71°
Low 45° 52° 40° (1990) 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 12:24 of sunlight, then sets at 7:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:33 AM with 14:41 of moolight, then sets at 3:14 PM

Top Story

DeKalb Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 17, 2014; 1:12 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