• Tonight

    Jul 23

    Lo 72°

    Severe evening thunderstorms

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      91°
    • Hi
      RealFeel
      109°
    • Wind
      Speed
      5 mph
  • Sun

    Jul 24

    92°Lo 68°

    A heavy thunderstorm

    Fair for home energy
    • Avg
      RealFeel
      91°
    • Hi
      RealFeel
      113°
    • Wind
      Speed
      12 mph
    more
  • Mon

    Jul 25

    87°Lo 62°

    Partly sunny, warm and muggy

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      7 mph
    more
  • Tue

    Jul 26

    86°Lo 65°

    Mostly sunny and warm

    Poor for home energy
    • Avg
      RealFeel
      80°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      4 mph
    more
  • Wed

    Jul 27

    86°Lo 69°

    A thunderstorm possible

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      91°
    • Wind
      Speed
      5 mph
    more
Next Previous
Hi 89° RealFeel® 109° Precipitation 65%

Day

N

E

S

W

  • ESE 5 mph
  • Gusts: 18 mph

Partly sunny, very warm and humid; a couple of strong afternoon thunderstorms; watch for flooding

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 95%
  • Precipitation: 0.61 in
  • Rain: 0.61 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs
Lo 72° RealFeel® 72° Precipitation 67%

Night

N

E

S

W

  • S 8 mph
  • Gusts: 21 mph

Evening thunderstorms, some severe; mostly cloudy; storms may bring downpours and damaging winds

  • Max UV Index: N/A
  • Thunderstorms: 100%
  • Precipitation: 0.66 in
  • Rain: 0.66 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4.5 hrs
  • Hours of Rain: 4.5 hrs

Temperature History - Jul 23

more Historical Weather Data >
  Today Normal Record 7/23/2015
High 89° 84° N/A 85°
Low 72° 64° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:38 AM with 14:43 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:38 PM with 12:10 of moolight, then sets at 10:48 AM

Crystal Lake Weather Report

By the numbers: Recapping the week's stifling central US heat

July 23, 2016; 7:33 PM ET

Stifling heat has been baking the central United States but will finally ease across northern areas this weekend. more >

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index