• Today

    Apr 16

    53°Lo 37°

    Becoming windier and warmer

    Very High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Thu

    Apr 17

    56°Lo 34°

    A passing afternoon shower

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Fri

    Apr 18

    50°Lo 30°

    Mostly cloudy with a shower

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sat

    Apr 19

    54°Lo 33°

    More clouds than sun

    Moderate indoor dust & dander levels
    • Precip
      7%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      70%
  • Sun

    Apr 20

    62°Lo 47°

    Mostly cloudy with a shower

    Moderate indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      93%
    more
Next Previous
Hi 54° RealFeel® 57° Precipitation 7%

Day

N

E

S

W

  • E 7 mph
  • Gusts: 11 mph

More clouds than sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 33° RealFeel® 23° Precipitation 40%

Night

N

E

S

W

  • SE 8 mph
  • Gusts: 13 mph

Rather cloudy and chilly with a shower in places

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.02 in
  • Rain: 0.02 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Apr 19

more Historical Weather Data >
  Today Normal Record 4/19/2013
High 54° 58° N/A 39°
Low 33° 36° N/A 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 13:32 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at --:-- with of moolight, then sets at 9:22 AM

Top Story

Crystal Lake Weather Report

Chicago: Chilly Weather to Return for the Weekend

April 16, 2014; 4:33 AM ET

While the city will warm up at midweek, by the weekend chilly weather will return and persist until next week. more >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Sat. Dust & Dander

Sat. Wind Maps