• Tue

    Sep 8

    80°Lo 56°

    Chance for rain

    Watch for hair frizz
    • Wind
      Gust
      33 mph
    • Precip
      35%
    • Hours of Precip
      0
  • Wed

    Sep 9

    79°Lo 50°

    Partly sunny

    Unlikely for hair frizz
    • Wind
      Gust
      32 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Thu

    Sep 10

    74°Lo 57°

    Rain and drizzle possible

    Unlikely for hair frizz
    • Wind
      Gust
      28 mph
    • Precip
      30%
    • Hours of Precip
      1.5
    more
  • Fri

    Sep 11

    76°Lo 51°

    Sunshine

    Unlikely for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Sat

    Sep 12

    69°Lo 52°

    Colder with a few showers

    Watch for hair frizz
    • Wind
      Gust
      31 mph
    • Precip
      63%
    • Hours of Precip
      1.5
    more
Next Previous
Hi 80° RealFeel® 78° Precipitation 35%

Day

N

E

S

W

  • SW 14 mph
  • Gusts: 33 mph

Mostly cloudy with a chance for rain and a thunderstorm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 31%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 56° RealFeel® 52° Precipitation 25%

Night

N

E

S

W

  • WSW 10 mph
  • Gusts: 30 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • 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 8

more Historical Weather Data >
  Today Normal Record 9/8/2014
High 80° 78° 94° (1978) 73°
Low 56° 56° 39° (1986) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:28 AM with 12:49 of sunlight, then sets at 7:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:07 AM with 14:31 of moolight, then sets at 4:38 PM

DeKalb Weather Report

Chicago: Heat, Humidity to Build Through Week

August 29, 2015; 8:26 PM ET

A turn to warmer conditions is in store for the Chicago area heading into the new week. 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.