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

43°F

6°C

Humidity 71%
Wind Speed Calm
Barometer 29.92 in (1013.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 6 May 6:52 am CDT
Extended Forecast for

Crystal Lake IL

  • Today

    Today: Partly sunny, with a high near 55. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy frost after 1am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 35. Northwest wind 5 to 10 mph becoming light west in the evening.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Frost

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Increasing clouds, with a high near 58. Light west southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 58 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. West southwest wind 5 to 10 mph becoming light south southwest in the evening.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers. Mostly cloudy, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 63 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 55. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Patchy frost after 1am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 35. Northwest wind 5 to 10 mph becoming light west in the evening.
Thursday
A 30 percent chance of showers after 1pm. Increasing clouds, with a high near 58. Light west southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 42. West southwest wind 5 to 10 mph becoming light south southwest in the evening.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
A chance of showers. Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
Last Update:
2:36 am CDT May 6, 2026
Forecast Valid:
7am CDT May 6, 2026-6pm CDT May 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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