• Tonight

    May 27

    Lo 67°

    A couple of thunderstorms

    Ragweed Pollen Weather
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Sat

    May 28

    82°Lo 66°

    A thunderstorm in spots

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

    May 29

    83°Lo 63°

    Partly sunny, breezy and warm

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

    May 30

    85°Lo 64°

    A thunderstorm in spots

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

    May 31

    84°Lo 65°

    A t-storm in the afternoon

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
Next Previous
Hi 84° RealFeel® 88° Precipitation 55%

Day

N

E

S

W

  • S 8 mph
  • Gusts: 12 mph

Warm with clouds and sunshine; a shower or thunderstorm around in the afternoon

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 60%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 65° RealFeel® 63° Precipitation 44%

Night

N

E

S

W

  • WSW 6 mph
  • Gusts: 8 mph

Mostly cloudy and mild; a thunderstorm in parts of the area late

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.11 in
  • Rain: 0.11 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - May 31

more Historical Weather Data >
  Today Normal Record 5/31/2015
High 84° 77° 92° (1949) 60°
Low 65° 54° 40° (1972) 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:26 AM with 14:57 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:35 AM with 12:36 of moolight, then sets at 3:11 PM

Peru Weather Report

Chicago: Heat, humidity to unfold for Memorial Day

May 27, 2016; 11:03 PM ET

The unofficial start of summer will feel like the upcoming season on Monday in the Chicago area. more >

Tue. Dust & Dander

Tue. Wind Maps