• Tonight

    May 24

    Lo 64°

    Mainly cloudy and warm

    Ragweed Pollen Weather
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      5 - High
    more
  • Wed

    May 25

    83°Lo 67°

    Showers and a heavier t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Thu

    May 26

    86°Lo 67°

    Intervals of clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Fri

    May 27

    82°Lo 65°

    A couple of thunderstorms

    Moderate ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      5 - High
    more
  • Sat

    May 28

    79°Lo 66°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
Next Previous
Hi 79° RealFeel® 79° Precipitation 61%

Day

N

E

S

W

  • S 13 mph
  • Gusts: 20 mph

Mostly cloudy and warm with a couple of showers and a thunderstorm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.3 in
  • Rain: 0.3 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs
Lo 66° RealFeel® 64° Precipitation 41%

Night

N

E

S

W

  • S 7 mph
  • Gusts: 12 mph

Mostly cloudy and mild with a thunderstorm in spots

  • Max UV Index: N/A
  • Thunderstorms: 90%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - May 28

more Historical Weather Data >
  Today Normal Record 5/28/2015
High 79° 76° 94° (2012) 83°
Low 66° 54° 32° (1992) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:26 AM with 14:54 of sunlight, then sets at 8:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:47 AM with 10:59 of moolight, then sets at 11:46 AM

Ottawa Weather Report

Chicago: Warm, humid and stormy through Thursday

May 24, 2016; 10:28 PM ET

This week is likely to end up as the warmest week so far this year in the Chicago area, but the warm weather will be accompanied by stormy weather. more >

Sat. Dust & Dander

Sat. Wind Maps