• Wed

    Feb 17

    21°Lo 7°

    Colder with a chance for snow

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

    Feb 18

    35°Lo 25°

    Clouds and sun; not as cold

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

    Feb 19

    42°Lo 29°

    Milder with a shower possible

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

    Feb 20

    41°Lo 28°

    Rain possible, some ice early

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

    Feb 21

    37°Lo 16°

    Clouds limiting sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 42° RealFeel® 35° Precipitation 30%

Day

N

E

S

W

  • SSE 13 mph
  • Gusts: 25 mph

Cloudy and milder with a shower possible

  • Max UV Index: 1 (Low)
  • Thunderstorms: 15%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 29° RealFeel® 13° Precipitation 2%

Night

N

E

S

W

  • SW 16 mph
  • Gusts: 39 mph

Rather cloudy

  • 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 19

more Historical Weather Data >
  Today Normal Record 2/19/2015
High 42° 33° N/A
Low 29° 14° N/A -17°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:44 AM with 10:47 of sunlight, then sets at 5:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:47 PM with 14:29 of moolight, then sets at 5:16 AM

Crystal Lake Weather Report

Chicago: Dangerous cold to hold through weekend

February 12, 2016; 8:24 AM ET

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