• Today

    May 28

    80°Lo 63°

    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

    78°Lo 60°

    An a.m. shower; partly sunny

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

    May 30

    83°Lo 60°

    Partly sunny and very warm

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

    May 31

    81°Lo 62°

    A p.m. t-storm in spots

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

    Jun 1

    79°Lo 58°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 80° RealFeel® 82° Precipitation 47%

Day

N

E

S

W

  • SSW 15 mph
  • Gusts: 29 mph

Mainly cloudy, breezy and warm; an afternoon shower or thunderstorm around

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.16 in
  • Rain: 0.16 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 63° RealFeel® 59° Precipitation 55%

Night

N

E

S

W

  • SSW 9 mph
  • Gusts: 16 mph

Partly cloudy, warm and muggy with a shower or thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Crystal Lake Pollen Levels - May 28

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    Moderate

  • Ragweed Pollen

    Moderate

  • Mold

    High

  • Grass Pollen

    High

Temperature History - May 28

more Historical Weather Data >
  Today Normal Record 5/28/2015
High 80° 74° N/A 81°
Low 63° 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 28, 2016; 9:41 AM 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