• Today

    Aug 31

    85°Lo 68°

    Humid with clouds and sun

    Excellent for driving
    • Precip
      8%
    • Hours of Precip
      1
    • Rain
      0.12 in
  • Mon

    Sep 1

    82°Lo 65°

    A strong thunderstorm

    Fair for driving
    • Precip
      55%
    • Hours of Precip
      5.5
    • Rain
      1.41 in
    more
  • Tue

    Sep 2

    82°Lo 59°

    Times of clouds and sun

    Good for driving
    • Precip
      20%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Wed

    Sep 3

    84°Lo 70°

    Mostly sunny

    Excellent for driving
    • Precip
      19%
    • Hours of Precip
      1
    • Rain
      0.15 in
    more
  • Thu

    Sep 4

    88°Lo 70°

    Partly sunny

    Good for driving
    • Precip
      25%
    • Hours of Precip
      2
    • Rain
      0.19 in
    more
Next Previous
Hi 85° RealFeel® 91° Precipitation 8%

Day

N

E

S

W

  • SW 4 mph
  • Gusts: 8 mph

Humid with a blend of sun and clouds

  • Max UV Index: 6 (High)
  • 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 68° RealFeel® 63° Precipitation 58%

Night

N

E

S

W

  • S 7 mph
  • Gusts: 13 mph

Mostly cloudy, warm and humid; a shower or thunderstorm toward dawn

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.12 in
  • Rain: 0.12 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2013
High 85° 81° 98° (1953) 83°
Low 68° 60° 33° (1915) 63°

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 12:11 PM with 10:29 of moolight, then sets at 10:40 PM

Top Story

Ottawa Weather Report

Severe Storms to Threaten Chicago on Labor Day

August 31, 2014; 3:19 AM ET

Chicago will become the target of severe thunderstorms as the Labor Day holiday weekend comes to an end, creating dangers for those with outdoor plans. more >

Travel Weather Forecast

Aug 31, 2014; 6:04 AM ET United States travel weather forecast

Sun. Travel Weather

48 Hour Precipitation Forecast

Sun. Driving Weather