• Early AM

    Apr 30

    Lo 45°

    Mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Today

    Apr 30

    51°Lo 46°

    Breezy with rain, some heavy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Sun

    May 1

    58°Lo 41°

    Warmer with occasional rain

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Mon

    May 2

    63°Lo 42°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Tue

    May 3

    69°Lo 51°

    More sunshine than clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
Next Previous
Hi 63° RealFeel® 72° Precipitation 7%

Day

N

E

S

W

  • NW 5 mph
  • Gusts: 8 mph

Partly sunny

  • Max UV Index: 7 (High)
  • 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 42° RealFeel® 42° Precipitation 6%

Night

N

E

S

W

  • WSW 4 mph
  • Gusts: 6 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - May 2

more Historical Weather Data >
  Today Normal Record 5/2/2015
High 63° 68° 94° (1901) 78°
Low 42° 46° 29° (1966) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:50 AM with 14:05 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:24 AM with 11:42 of moolight, then sets at 3:06 PM

Ottawa Weather Report

Chicago: Warmup to follow cool, damp weekend

April 30, 2016; 3:37 AM ET

Following a cool and rainy weekend, warmer conditions will arrive in the Chicago area early next week. more >

Mon. Dust & Dander

Mon. Wind Maps