• Tonight

    Apr 26

    Lo 34°

    Mainly clear and cold

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Mon

    Apr 27

    54°Lo 34°

    Plenty of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Tue

    Apr 28

    58°Lo 38°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Wed

    Apr 29

    63°Lo 38°

    More clouds than sun

    Low ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      70%
  • Thu

    Apr 30

    60°Lo 39°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      0%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      15%
    more
Next Previous
Hi 63° RealFeel® 76° Precipitation 4%

Day

N

E

S

W

  • ENE 5 mph
  • Gusts: 12 mph

More clouds than sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 38° RealFeel® 29° Precipitation 4%

Night

N

E

S

W

  • NE 10 mph
  • Gusts: 21 mph

Clear to partly cloudy and chilly

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 29

more Historical Weather Data >
  Today Normal Record 4/29/2014
High 63° 62° N/A 51°
Low 38° 39° N/A 39°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:52 AM with 13:58 of sunlight, then sets at 7:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:43 PM with 12:27 of moolight, then sets at 4:10 AM

Crystal Lake Weather Report

Sunshine to Prevail This Week in Chicago

April 27, 2015; 12:14 AM ET

Sunny skies and cooler conditions will be the rule this week in Chicago. more >

Wed. Dust & Dander

Wed. Wind Maps