• Sun

    Feb 21

    34°Lo 19°

    Sunny

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

    Feb 22

    33°Lo 23°

    Cloudy

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      97%
    more
  • Tue

    Feb 23

    28°Lo 25°

    Cloudy with snow

    Ragweed Pollen Weather
    • Precip
      75%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      100%
  • Wed

    Feb 24

    28°Lo 17°

    Clouds giving way to some sun

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      32%
    more
  • Thu

    Feb 25

    28°Lo 14°

    Increasing clouds

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      43%
    more
Next Previous
Hi 28° RealFeel® 14° Precipitation 75%

Day

N

E

S

W

  • E 15 mph
  • Gusts: 29 mph

Cloudy with snow overspreading the area

  • Max UV Index: 1 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0.14 in
  • Rain: 0 in
  • Snow: 1.4 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 0 hrs
Lo 25° RealFeel® 5° Precipitation 65%

Night

N

E

S

W

  • NNE 16 mph
  • Gusts: 28 mph

Periods of snow

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.11 in
  • Rain: 0 in
  • Snow: 1.5 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 0 hrs

Temperature History - Feb 23

more Historical Weather Data >
  Today Normal Record 2/23/2015
High 28° 34° N/A
Low 25° 16° N/A -14°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 10:58 of sunlight, then sets at 5:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:45 PM with 12:44 of moolight, then sets at 7:29 AM

Crystal Lake Weather Report

Chicago: Temperatures to fall through the week

February 6, 2016; 8:33 PM ET

Colder air will follow winter weather early in the week across the Chicago region. more >

Health Weather

Jan 19, 2016; 10:05 AM ET How the weather impacts people's health