• Tonight

    May 27

    Lo 66°

    A couple of thunderstorms

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

    May 28

    78°Lo 64°

    A p.m. t-storm in spots

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

    May 29

    79°Lo 60°

    An a.m. shower; partly sunny

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

    May 30

    82°Lo 60°

    A thunderstorm in spots

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

    May 31

    81°Lo 64°

    A p.m. t-storm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
A shower or thunderstorm 78° Lo 73° RealFeel® 80° / 71°

N

E

S

W

  • Precipitation: 48%
  • Rain: 0.19 in
  • Snow: 0 in
  • Humidity: 76%
  • Cloud Cover: 78%
  • Dew Point: 67° F
  • Visibility: 9 mi
14 mph

Temperature History - May 28

more Historical Weather Data >
  Today Normal Record 5/28/2015
High 78° 74° N/A 81°
Low 64° 52° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:21 AM with 15:00 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:47 AM with 10:56 of moolight, then sets at 11:43 AM

Crystal Lake 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 >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps