• Today

    Aug 24

    83°Lo 71°

    Heavy rain and a thunderstorm

    High ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Aug 25

    80°Lo 60°

    Mostly cloudy with a t-storm

    High ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Aug 26

    78°Lo 60°

    Periods of sun; less humid

    High ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
  • Sat

    Aug 27

    81°Lo 67°

    An afternoon thunderstorm

    High ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Aug 28

    84°Lo 66°

    Mostly cloudy and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Cloudy 63° Lo 60° RealFeel® 63° / 60°

N

E

S

W

  • Precipitation: 25%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 89%
  • Cloud Cover: 98%
  • Dew Point: 59° F
  • Visibility: 10 mi
5 mph

Temperature History - Aug 26

more Historical Weather Data >
  Today Normal Record 8/26/2015
High 78° 82° 97° (1953) 68°
Low 60° 61° 38° (1923) 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:21 of sunlight, then sets at 7:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:39 AM with 14:45 of moolight, then sets at 3:24 PM

Ottawa Weather Report

Strong thunderstorms to target St. Louis to Chicago into Thursday

August 24, 2016; 11:15 AM ET

Rounds of showers and thunderstorms will bring the potential for flash flooding and localized damaging wind gusts through Thursday. more >

Fri. Dust & Dander

Fri. Wind Maps