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.

Mostly Cloudy

19°F

-7°C

Humidity 74%
Wind Speed N 10 G 23 mph
Barometer 30.42 in (1031.2 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 31 Jan 9:52 am CST
Extended Forecast for

Crystal Lake IL

  • Today

    Today: Scattered flurries before 11am. Partly sunny, with a high near 24. Wind chill values as low as 1. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 24 °F

    Scattered
    Flurries

  • Tonight

    Tonight: Mostly clear, with a low around 6. North northwest wind around 5 mph becoming calm in the evening.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 25. Wind chill values as low as -2. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 25 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 17. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 17 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 28. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 28 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow. Partly sunny, with a high near 26.

    High: 26 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered flurries before 11am. Partly sunny, with a high near 24. Wind chill values as low as 1. North wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 6. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 25. Wind chill values as low as -2. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly cloudy, with a high near 28. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 10.
Wednesday
Mostly sunny, with a high near 25.
Wednesday Night
Partly cloudy, with a low around 9.
Thursday
Partly sunny, with a high near 29.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23.
Friday
A chance of snow. Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
Last Update:
9:35 am CST Jan 31, 2026
Forecast Valid:
10am CST Jan 31, 2026-6pm CST Feb 6, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation