• Tonight

    Sep 21

    Lo 42°

    Mainly clear and cooler

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

    Sep 22

    68°Lo 46°

    Plenty of sun

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

    Sep 23

    74°Lo 49°

    Mostly sunny and pleasant

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

    Sep 24

    76°Lo 50°

    Sunny and pleasant

    Low ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      10%
    more
  • Thu

    Sep 25

    78°Lo 51°

    Mostly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      25%
    more
Next Previous
Partly cloudy 53° Lo 49° RealFeel® 51° / 47°

N

E

S

W

  • Precipitation: 7%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 89%
  • Cloud Cover: 49%
  • Dew Point: 48° F
  • Visibility: 10 mi
4 mph

Temperature History - Sep 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 74° 74° 93° (1937) 77°
Low 49° 50° 30° (1995) 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:44 AM with 12:07 of sunlight, then sets at 6:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:08 AM with 12:21 of moolight, then sets at 6:29 PM

Top Story

Ottawa Weather Report

Drier Air Heads into Chicago Following Storms

September 21, 2014; 5:00 AM ET

After storms clipped Chicagoland early Sunday, drier air will filter into the area for the rest of the week. more >

Tue. Dust & Dander

Tue. Wind Maps