• Tonight

    Sep 20

    Lo 58°

    A thunderstorm in spots early

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Sep 21

    68°Lo 45°

    Clouds breaking; not as warm

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Mon

    Sep 22

    69°Lo 46°

    Sunshine and patchy clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Tue

    Sep 23

    73°Lo 48°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Precip
      5%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      11%
    more
  • Wed

    Sep 24

    75°Lo 50°

    Sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      10%
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Temperature History - Sep 24

more Historical Weather Data >
  Today Normal Record 9/24/2013
High 75° 74° 93° (1908) 80°
Low 50° 50° 29° (1928) 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 12:05 of sunlight, then sets at 6:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:06 AM with 11:53 of moolight, then sets at 6:59 PM

Top Story

Ottawa Weather Report

Chicago: Thunderstorms to Precede More Cool Air

September 20, 2014; 4:28 AM ET

Chicago is facing the threat of some disruptive thunderstorms on Saturday. more >

Wed. Dust & Dander

Wed. Wind Maps