• Thu

    Feb 18

    37°Lo 35°

    Turning cloudy

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

    Feb 19

    47°Lo 31°

    Breezy with rain and drizzle

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

    Feb 20

    42°Lo 26°

    Times of clouds and sun

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

    Feb 21

    42°Lo 27°

    Cloudy

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

    Feb 22

    38°Lo 21°

    Snow showers possible; colder

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
Next Previous
Hi 38° RealFeel® 31° Precipitation 30%

Day

N

E

S

W

  • WNW 12 mph
  • Gusts: 26 mph

Variable cloudiness with a couple of snow showers possible; colder

  • 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 21° RealFeel® 17° Precipitation 2%

Night

N

E

S

W

  • W 8 mph
  • Gusts: 18 mph

Mainly clear and seasonably cold

  • 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 22

more Historical Weather Data >
  Today Normal Record 2/22/2015
High 38° 34° N/A 21°
Low 21° 15° N/A -4°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 10:54 of sunlight, then sets at 5:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:46 PM with 13:13 of moolight, then sets at 6:59 AM

Crystal Lake Weather Report

Chicago: Dangerous cold to hold through weekend

February 14, 2016; 12:29 AM ET

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