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.

Fair

60°F

16°C

Humidity 24%
Wind Speed SW 5 mph
Barometer 29.71 in (1006.4 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 27 Feb 5:52 pm CST
Extended Forecast for

Crystal Lake IL

  • Tonight

    Tonight: Mostly clear, with a low around 27. West southwest wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of snow, mainly between noon and 3pm. Mostly cloudy, with a high near 35. North wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 15 mph.

    High: 35 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 19. East northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 19 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain. Cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. West southwest wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.
Saturday
A 30 percent chance of snow, mainly between noon and 3pm. Mostly cloudy, with a high near 35. North wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 20. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 31. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 19. East northeast wind around 5 mph, with gusts as high as 10 mph.
Monday
Partly sunny, with a high near 40.
Monday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 29.
Tuesday
A chance of rain. Cloudy, with a high near 42.
Tuesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 30.
Wednesday
A chance of rain after noon. Mostly cloudy, with a high near 48.
Wednesday Night
Rain likely. Cloudy, with a low around 37.
Thursday
Rain likely. Cloudy, with a high near 51.
Thursday Night
A chance of rain. Cloudy, with a low around 38.
Friday
A chance of rain. Cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
Last Update:
6:06 pm CST Feb 27, 2026
Forecast Valid:
6pm CST Feb 27, 2026-6pm CST Mar 6, 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