National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

A Few Clouds

62°F

17°C

Humidity 52%
Wind Speed S 5 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 9 Oct 9:52 am CDT
Extended Forecast for

Crystal Lake IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 69. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 57. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Slight Chance
    Showers then
    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 78. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73. Calm wind becoming southeast around 5 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 69. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
A 10 percent chance of showers before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 57. South wind around 10 mph, with gusts as high as 15 mph.
Saturday
Increasing clouds, with a high near 78. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 56. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 73. Calm wind becoming southeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 55.
Columbus Day
Mostly sunny, with a high near 79.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
A chance of showers. Partly sunny, with a high near 66.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 52.
Thursday
A chance of showers. Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.3°W
Last Update:
5:26 am CDT Oct 9, 2026
Forecast Valid:
10am CDT Oct 9, 2026-6pm CDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation