• Early AM

    Sep 20

    Lo 59°

    Mostly cloudy

    Beach & Pool Weather
    • UV
      5 - Moderate
    • Cloud
      Cover
      44%
    • Precip
      25%
    more
  • Today

    Sep 20

    77°Lo 57°

    Heavy thunderstorms

    Poor at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      77%
    • Precip
      67%
  • Sun

    Sep 21

    69°Lo 46°

    Breezy with clouds breaking

    Fair at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      55%
    • Precip
      9%
    more
  • Mon

    Sep 22

    69°Lo 47°

    Times of clouds and sun

    Fair at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      46%
    • Precip
      0%
    more
  • Tue

    Sep 23

    72°Lo 49°

    Mostly sunny and pleasant

    Fair at the beach or pool
    • UV
      5 - Moderate
    • Cloud
      Cover
      11%
    • Precip
      6%
    more
Next Previous
Clear 61° RealFeel® 58°

N

E

S

W

  • Humidity: 67%
  • Pressure: 29.92 in ↓
  • UV Index: 0
  • Cloud Cover: 5%
  • Ceiling: 37200 ft
  • Dew Point: 50° F
  • Visibility: 10 mi
13 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 12:16 of sunlight, then sets at 6:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:15 AM with 13:45 of moolight, then sets at 5:00 PM

Temperature Summary - 1:03 AM

  Temp (°F)
Now 61°
Yesterday 69°
RealFeel® 58°
RealFeel® Shade 58°
Wind Chill 61°
Dew Point 50°
  Hi / Lo
Previous 6 Hours 65°
  61°
Previous 12 Hours 73°
  61°
Previous 24 Hours 73°
  51°

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 77° 71° N/A 73°
Low 57° 47° N/A 53°

Precipitation Summary - 1:03 AM

  Amount (in)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 0
Previous 9 Hours 0
Previous 12 Hours 0
Previous 18 Hours 0
Previous 24 Hours 0
Top Story

Crystal Lake Weather Report

Chicago: Thunderstorms to Precede More Cool Air

September 20, 2014; 12:08 AM ET

Chicago is facing the threat of some disruptive thunderstorms on Saturday. more >

What's that Warning? Warnings at the Beach

Jul 25, 2012; 5:00 AM ET If you're headed to the beach, keep an eye out for any of these watches and warnings issued by the NWS.

Sat. Beach & Pool

Sat. UV Index

Sat. Wind Maps