• Tonight

    Sep 15

    Lo 41°

    Clouds breaking; chilly

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

    Sep 16

    61°Lo 42°

    Mostly sunny and cool

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

    Sep 17

    64°Lo 44°

    Mostly sunny and nice

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

    Sep 18

    66°Lo 48°

    Nice with plenty of sunshine

    Low ragweed pollen levels
    • Precip
      5%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      7%
    more
  • Fri

    Sep 19

    69°Lo 59°

    Mostly cloudy

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      76%
    more
Next Previous
Next 8 hours >
  Mon
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Mostly Clear
Cloudy
Cloudy
Partly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 47° 50° 48° 47° 47° 49° 49° 49°
RealFeel® 46° 49° 47° 46° 46° 48° 47° 47°
Humidity 87% 77% 86% 86% 89% 89% 89% 86%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
4%
 
4%
 
5%
 
5%
 
6%
 
7%
 
7%
 
11%
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) 3 SW 3 SW 3 SSW 3 S 3 S 3 S 4 S 4 S
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 25% 60% 60% 36% 100% 100% 100% 97%
Dew Point 43° 43° 44° 43° 44° 46° 46° 45°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Sep 15

more Historical Weather Data >
  Today Normal Record 9/15/2013
High 55° 75° 90° (1994) 59°
Low 41° 53° 35° (2007) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 12:30 of sunlight, then sets at 7:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:42 PM with 14:48 of moolight, then sets at 2:30 PM

Top Story

DeKalb Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 15, 2014; 9:18 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 >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps