• Today

    Jul 23

    89°Lo 77°

    Humid; a strong p.m. t-storm

    At Extreme Risk weather for asthma
    • Hi
      RealFeel
      109°
    • UV
      4 - Moderate
    • Air Qual.
      Unhealthy
      (Sensitive)
    more
  • Sun

    Jul 24

    92°Lo 68°

    A heavy thunderstorm

    At High Risk weather for asthma
    • Hi
      RealFeel
      113°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Mon

    Jul 25

    87°Lo 62°

    Partly sunny, warm and muggy

    Neutral weather for asthma
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Tue

    Jul 26

    86°Lo 65°

    Mostly sunny and warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      94°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Wed

    Jul 27

    86°Lo 69°

    A thunderstorm possible

    Beneficial weather for asthma
    • Hi
      RealFeel
      91°
    • UV
      4 - Moderate
    • Air Qual.
      Good
Next Previous
Hi 86° RealFeel® 91° Precipitation 30%

Day

N

E

S

W

  • SSW 5 mph
  • Gusts: 8 mph

Periods of clouds and sunshine with a shower or thunderstorm possible

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 35%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 69° RealFeel® 67° Precipitation 55%

Night

N

E

S

W

  • NW 4 mph
  • Gusts: 6 mph

Mostly cloudy with a passing shower late

  • Max UV Index: N/A
  • Thunderstorms: 29%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Jul 27

more Historical Weather Data >
  Today Normal Record 7/27/2015
High 86° 84° N/A 86°
Low 69° 64° N/A 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:42 AM with 14:35 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:23 AM with 13:52 of moolight, then sets at 2:15 PM

Crystal Lake Weather Report

Severe storms to rattle midwestern US this weekend

July 23, 2016; 2:31 PM ET

The midwestern United States will be in the crosshairs of potent thunderstorms into Saturday night. more >

Wed. Asthma Risk

Wed. UV Index