• Today

    Apr 28

    63°Lo 37°

    Mostly sunny

    Unlikely for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      3%
    • Hours of Precip
      0
  • Wed

    Apr 29

    64°Lo 38°

    Clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Thu

    Apr 30

    56°Lo 36°

    Times of clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Fri

    May 1

    65°Lo 45°

    Plenty of sunshine

    Watch for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Sat

    May 2

    71°Lo 52°

    Times of clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
Next Previous
Hi 63° RealFeel® 71° Precipitation 3%

Day

N

E

S

W

  • NNE 5 mph
  • Gusts: 10 mph

Mostly sunny

  • Max UV Index: 7 (High)
  • 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 37° RealFeel® 39° Precipitation 7%

Night

N

E

S

W

  • N 2 mph
  • Gusts: 9 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 28

more Historical Weather Data >
  Today Normal Record 4/28/2014
High 63° 61° N/A 48°
Low 37° 39° N/A 38°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 13:56 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:46 PM with 12:56 of moolight, then sets at 3:42 AM

Crystal Lake Weather Report

Sunshine to Prevail This Week in Chicago

April 28, 2015; 9:50 AM ET

Sunny skies and cooler conditions will be the rule this week in Chicago. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Tue. Hair Frizz

Tue. Wind Maps

Tue. UV Index