• Wed

    Sep 16

    69°Lo 51°

    Mostly sunny

    Watch for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Thu

    Sep 17

    68°Lo 50°

    Abundant sunshine

    Hair Frizz Weather
    • Wind
      Gust
      33 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Fri

    Sep 18

    73°Lo 53°

    Sun yielding to clouds

    Hair Frizz Weather
    • Wind
      Gust
      18 mph
    • Precip
      25%
    • Hours of Precip
      1
    more
  • Sat

    Sep 19

    72°Lo 56°

    Mostly sunny

    Hair Frizz Weather
    • Wind
      Gust
      20 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Sun

    Sep 20

    72°Lo 55°

    Increasing cloudiness

    Hair Frizz Weather
    • Wind
      Gust
      12 mph
    • Precip
      25%
    • Hours of Precip
      0
Next Previous
Hi 72° RealFeel® 73° Precipitation 25%

Day

N

E

S

W

  • S 6 mph
  • Gusts: 12 mph

Increasing cloudiness

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 0%
  • 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® 52° Precipitation 25%

Night

N

E

S

W

  • S 7 mph
  • Gusts: 9 mph

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 20

more Historical Weather Data >
  Today Normal Record 9/20/2014
High 72° 74° N/A 78°
Low 55° 53° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 12:16 of sunlight, then sets at 6:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:24 PM with 10:03 of moolight, then sets at 11:27 PM

Dundee Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 5:41 PM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. 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.