• Today

    Sep 21

    67°Lo 43°

    Cooler with some sun

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

    Sep 22

    69°Lo 47°

    Mostly sunny

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

    Sep 23

    74°Lo 50°

    Mostly sunny and pleasant

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

    79°Lo 51°

    Mostly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      25%
Next Previous
Clear 65° Lo 57° RealFeel® 63° / 56°

N

E

S

W

  • Precipitation: 11%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 72%
  • Cloud Cover: 0%
  • Dew Point: 52° F
  • Visibility: 10 mi
3 mph

Temperature History - Sep 25

more Historical Weather Data >
  Today Normal Record 9/25/2013
High 79° 73° 92° (1908) 82°
Low 51° 50° 29° (1942) 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:46 AM with 12:02 of sunlight, then sets at 6:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:05 AM with 11:25 of moolight, then sets at 7:30 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 >

Thu. Dust & Dander

Thu. Wind Maps