• Today

    May 3

    83°Lo 60°

    Times of clouds and sun

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

    May 4

    75°Lo 55°

    Showers and a heavier t-storm

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

    May 5

    74°Lo 56°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Wed

    May 6

    82°Lo 62°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      22%
    more
  • Thu

    May 7

    84°Lo 63°

    Partly sunny, breezy and warm

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      30%
Next Previous
Hi 84° RealFeel® 85° Precipitation 25%

Day

N

E

S

W

  • S 15 mph
  • Gusts: 24 mph

Partly sunny, breezy and very warm

  • Max UV Index: 7 (High)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 63° RealFeel® 55° Precipitation 63%

Night

N

E

S

W

  • SSW 12 mph
  • Gusts: 18 mph

Mostly cloudy and warm with a thunderstorm or two

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0.31 in
  • Rain: 0.31 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Temperature History - May 7

more Historical Weather Data >
  Today Normal Record 5/7/2014
High 84° 70° 93° (1896) 87°
Low 63° 48° 29° (1989) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:45 AM with 14:14 of sunlight, then sets at 7:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:24 PM with 10:08 of moolight, then sets at 9:32 AM

Ottawa Weather Report

Chicago: Temperature Roller Coaster in Store for New Week

May 3, 2015; 11:27 AM ET

The month of May has opened the door for warm air to flow into the Chicago area following a cool end to April. more >

Thu. Dust & Dander

Thu. Wind Maps