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

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

52°F

11°C

Humidity 45%
Wind Speed Calm
Barometer 29.98 in (1015.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 14 Feb 2:52 pm CST
Extended Forecast for

Crystal Lake IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 53. South southwest wind around 5 mph.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 54. West wind 5 to 10 mph becoming north northwest in the afternoon.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 35. Light and variable wind becoming south southwest 5 to 10 mph after midnight.

    Low: 35 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 60. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before noon. Sunny, with a high near 63. Breezy.

    High: 63 °F

    Breezy.
    Chance
    Showers then
    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 53. South southwest wind around 5 mph.
Tonight
Mostly cloudy, with a low around 34. South wind around 5 mph, with gusts as high as 10 mph.
Sunday
Sunny, with a high near 54. West wind 5 to 10 mph becoming north northwest in the afternoon.
Sunday Night
Increasing clouds, with a low around 35. Light and variable wind becoming south southwest 5 to 10 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 60. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Mostly cloudy, with a high near 48.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 45.
Wednesday
A chance of showers before noon. Sunny, with a high near 63. Breezy.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
A chance of showers. Mostly sunny, with a high near 50.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 29.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
Last Update:
3:11 pm CST Feb 14, 2026
Forecast Valid:
3pm CST Feb 14, 2026-6pm CST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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