• Today

    Sep 22

    69°Lo 45°

    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 48°

    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 51°

    Mostly sunny and pleasant

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

    Sep 25

    78°Lo 52°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Precip
      12%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      25%
    more
  • Fri

    Sep 26

    79°Lo 53°

    Sunny and pleasantly warm

    Ragweed Pollen Weather
    • Precip
      11%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
Next Previous
Hi 76° RealFeel® 77° Precipitation 11%

Day

N

E

S

W

  • SSE 5 mph
  • Gusts: 8 mph

Mostly sunny and pleasant

  • Max UV Index: 5 (Moderate)
  • 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 51° RealFeel® 50° Precipitation 10%

Night

N

E

S

W

  • S 3 mph
  • Gusts: 6 mph

Patchy clouds

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

Temperature History - Sep 24

more Historical Weather Data >
  Today Normal Record 9/24/2013
High 76° 74° 93° (1908) 80°
Low 51° 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

Drier Air Heads into Chicago Following Storms

September 22, 2014; 4:02 PM ET

Drier air will filter into the Chicago area for the rest of the week, resulting in dry skies and clear conditions to kick off the first week of fall. more >

Wed. Dust & Dander

Wed. Wind Maps