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Dangerous Heat Wave To Persist From The Midwest to the Ohio Valley

A very hot and humid air mass will persist today across much of the Midwest and Ohio Valley. Afternoon high temperatures will exceed 95 degrees in many locations with heat index values between 100 and 110. Hot temperatures will expand into the eastern U.S. on Monday with several of the major I-95 cities reaching 90 degrees or higher. Take it slow, drink plenty of fluids and limit outdoor exposure. Read More >

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

A Few Clouds

93°F

34°C

Humidity 52%
Wind Speed S 14 G 22 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 17 Jun 3:52 pm CDT
Extended Forecast for

Crystal Lake IL

Heat Advisory until June 18, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 18, 07:00pm

    NOW until
    7:00pm Mon

    Heat Advisory

  • This
    Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Mostly sunny, with a high near 91. Heat index values as high as 103. Southwest wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    High: 91 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 76. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Partly Cloudy

    Low: 76 °F

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 4pm.  Mostly sunny, with a high near 91. Heat index values as high as 100. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    T-storms
    Likely

    High: 91 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 64. Northeast wind 5 to 10 mph.  Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 64 °F

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Cloudy, with a high near 76. East northeast wind 5 to 10 mph.

    Chance
    T-storms

    High: 76 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 61.

    Chance
    T-storms

    Low: 61 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly cloudy, with a high near 75.

    Chance
    T-storms

    High: 75 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 59.

    Mostly Cloudy

    Low: 59 °F

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 103. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 76. South southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 100. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 76. East northeast wind 5 to 10 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 75.
Wednesday Night
Mostly cloudy, with a low around 59.
Thursday
A chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 76.
Thursday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
4:18 pm CDT Jun 17, 2018
4pm CDT Jun 17, 2018-6pm CDT Jun 24, 2018
 
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