• Wed

    Feb 17

    26°Lo 15°

    Mostly cloudy and colder

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Feb 18

    36°Lo 33°

    Mainly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Feb 19

    49°Lo 31°

    Milder with a shower possible

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Feb 20

    46°Lo 32°

    Rain possible, some ice early

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sun

    Feb 21

    43°Lo 26°

    Clouds limiting sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 46° RealFeel® 35° Precipitation 35%

Day

N

E

S

W

  • W 17 mph
  • Gusts: 37 mph

Mostly cloudy with chance for rain, some ice mixed in early in the day

  • Max UV Index: 2 (Low)
  • 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 32° RealFeel® 21° Precipitation 25%

Night

N

E

S

W

  • NW 14 mph
  • Gusts: 41 mph

Areas of low clouds

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

Temperature History - Feb 20

more Historical Weather Data >
  Today Normal Record 2/20/2015
High 46° 33° N/A 17°
Low 32° 15° N/A -20°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:43 AM with 10:49 of sunlight, then sets at 5:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:47 PM with 14:07 of moolight, then sets at 5:54 AM

Crystal Lake Weather Report

Chicago: Dangerous cold to hold through weekend

February 12, 2016; 7:54 PM ET

Conditions will continue to be dangerously cold into the weekend in the Chicago area. more >