• Sat

    Sep 12

    76°Lo 50°

    Plenty of sunshine

    Watch for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sun

    Sep 13

    74°Lo 55°

    Rain and drizzle possible

    Advisory for hair frizz
    • Wind
      Gust
      23 mph
    • Precip
      30%
    • Hours of Precip
      0
  • Mon

    Sep 14

    72°Lo 52°

    More clouds than sun

    Warning for hair frizz
    • Wind
      Gust
      31 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Tue

    Sep 15

    70°Lo 46°

    Mostly sunny

    Warning for hair frizz
    • Wind
      Gust
      25 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Wed

    Sep 16

    72°Lo 54°

    Cloudy

    Warning for hair frizz
    • Wind
      Gust
      29 mph
    • Precip
      15%
    • Hours of Precip
      0
    more
Next Previous
Hi 74° RealFeel® 73° Precipitation 30%

Day

N

E

S

W

  • SSE 9 mph
  • Gusts: 23 mph

Mostly cloudy, chance of a little rain

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 55° RealFeel® 50° Precipitation 25%

Night

N

E

S

W

  • S 10 mph
  • Gusts: 25 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 13

more Historical Weather Data >
  Today Normal Record 9/13/2014
High 74° 76° 90° (2005) 57°
Low 55° 54° 34° (1975) 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:33 AM with 12:35 of sunlight, then sets at 7:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:51 AM with 12:29 of moolight, then sets at 7:20 PM

DeKalb Weather Report

Chicago: Sun, Humidity to Grip Region Before Stormy Labor Day

September 2, 2015; 3:34 PM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.