• Today

    Apr 19

    65°Lo 42°

    Sunny much of the time

    Unlikely for hair frizz
    • Wind
      Gust
      19 mph
    • Precip
      2%
    • Hours of Precip
      0
  • Sun

    Apr 20

    73°Lo 52°

    Partly sunny

    Unlikely for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      22%
    • Hours of Precip
      0
    more
  • Mon

    Apr 21

    69°Lo 45°

    A couple of thunderstorms

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      67%
    • Hours of Precip
      4
    more
  • Tue

    Apr 22

    56°Lo 34°

    Cooler; a morning shower

    Watch for hair frizz
    • Wind
      Gust
      19 mph
    • Precip
      40%
    • Hours of Precip
      0.5
    more
  • Wed

    Apr 23

    58°Lo 40°

    Partly sunny

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
Next Previous
Hi 65° RealFeel® 66° Precipitation 2%

Day

N

E

S

W

  • SE 10 mph
  • Gusts: 19 mph

Sunny much of the time

  • Max UV Index: 7 (High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 42° RealFeel® 36° Precipitation 6%

Night

N

E

S

W

  • SSE 7 mph
  • Gusts: 14 mph

Patchy clouds

  • 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 - Apr 19

more Historical Weather Data >
  Today Normal Record 4/19/2013
High 65° 58° N/A 39°
Low 42° 36° N/A 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 13:32 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at --:-- with of moolight, then sets at 9:22 AM

Top Story

Crystal Lake Weather Report

Chicago: Weekend Warmth on the Way

April 19, 2014; 3:14 AM ET

Seasonal warmth looks to make a return to Chicago right in time for the holiday weekend. 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.

Sat. Hair Frizz

Sat. Wind Maps

Sat. UV Index