• Today

    Aug 31

    87°Lo 68°

    Fog in the a.m.; mostly sunny

    Warning for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      3%
    • Hours of Precip
      0
  • Tue

    Sep 1

    89°Lo 69°

    Mostly sunny, warm and humid

    Warning for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      8%
    • Hours of Precip
      0
    more
  • Wed

    Sep 2

    91°Lo 68°

    Partly sunny and hot

    Advisory for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      9%
    • Hours of Precip
      0
    more
  • Thu

    Sep 3

    90°Lo 66°

    Mostly sunny and very warm

    Advisory for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Fri

    Sep 4

    89°Lo 67°

    Mostly sunny and very warm

    Advisory for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      8%
    • Hours of Precip
      0
    more
Next Previous
Mostly sunny 87° Lo 81° RealFeel® 95° / 83°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 54%
  • Cloud Cover: 1%
  • Dew Point: 67° F
  • Visibility: 10 mi
5 mph

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2014
High 87° 81° 98° (1953) 86°
Low 68° 60° 33° (1915) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:20 AM with 13:10 of sunlight, then sets at 7:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:45 PM with 13:01 of moolight, then sets at 9:46 AM

Ottawa Weather Report

Chicago: Heat, Humidity to Build Through Week

August 31, 2015; 3:00 AM 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.

Mon. Hair Frizz

Mon. Wind Maps

Mon. UV Index