• Thu

    Feb 11

    20°Lo 8°

    Partly sunny and very cold

    Unlikely for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      3%
    • Hours of Precip
      1.5
    more
  • Fri

    Feb 12

    22°Lo 8°

    Clearing and cold

    Unlikely for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      9%
    • Hours of Precip
      0
    more
  • Sat

    Feb 13

    21°Lo 10°

    Partly sunny and very cold

    Unlikely for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      13%
    • Hours of Precip
      0
    more
  • Sun

    Feb 14

    25°Lo 17°

    Snow or flurries possible

    Unlikely for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      30%
    • Hours of Precip
      0
    more
  • Mon

    Feb 15

    27°Lo 20°

    Partly sunny and cold

    Advisory for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      0%
    • Hours of Precip
      0
Next Previous
Hi 27° RealFeel® 33° Precipitation 0%

Day

N

E

S

W

  • N 5 mph
  • Gusts: 12 mph

Partly sunny and cold

  • Max UV Index: 3 (Moderate)
  • 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 20° RealFeel® 15° Precipitation 3%

Night

N

E

S

W

  • NNE 7 mph
  • Gusts: 15 mph

Partly cloudy 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 15

more Historical Weather Data >
  Today Normal Record 2/15/2015
High 27° 32° N/A 14°
Low 20° 13° N/A -9°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:50 AM with 10:36 of sunlight, then sets at 5:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:16 AM with 14:34 of moolight, then sets at 1:50 AM

Crystal Lake Weather Report

Chicago: Temperatures to fall through the week

February 6, 2016; 11:08 PM ET

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

UV Index

May 27, 2012; 5:00 AM ET Some exposure to sunlight can be enjoyable, however too much can be dangerous. Adrienne Veilleux explains.