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.

A Few Clouds

27°F

-3°C

Humidity 51%
Wind Speed SW 10 mph
Barometer 30.16 in (1022.4 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 1 Feb 2:52 pm CST
Extended Forecast for

Crystal Lake IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 28. South wind around 10 mph, with gusts as high as 20 mph.

    High: 28 °F

    Partly Sunny

  • Tonight

    Tonight: Snow likely, mainly before 3am. Cloudy, with a steady temperature around 21. South southwest wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely

  • Monday

    Monday: A slight chance of flurries between 9am and 3pm. Partly sunny, with a high near 26. West northwest wind 5 to 10 mph.

    High: 26 °F

    Slight Chance
    Flurries

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 13. West northwest wind around 5 mph.

    Low: 13 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 24. North wind around 5 mph, with gusts as high as 10 mph.

    High: 24 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 28. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
Snow likely, mainly before 3am. Cloudy, with a steady temperature around 21. South southwest wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of flurries between 9am and 3pm. Partly sunny, with a high near 26. West northwest wind 5 to 10 mph.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 13. West northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 24. North wind around 5 mph, with gusts as high as 10 mph.
Tuesday Night
Partly cloudy, with a low around 7.
Wednesday
Sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
Partly sunny, with a high near 32.
Thursday Night
A chance of snow before midnight. Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 8.
Saturday
Mostly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.25°N 88.33°W
Last Update:
3:01 pm CST Feb 1, 2026
Forecast Valid:
3pm CST Feb 1, 2026-6pm CST Feb 7, 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