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.

Overcast

35°F

2°C

Humidity 76%
Wind Speed N 18 G 36 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 22 Mar 3:52 pm CDT
Extended Forecast for

Crystal Lake IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 37. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph.

    High: 37 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 25. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 46. North wind around 5 mph, with gusts as high as 10 mph.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. East southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

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

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 1pm. Mostly cloudy, with a high near 70.

    High: 70 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 37. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 25. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 46. North wind around 5 mph, with gusts as high as 10 mph.
Monday Night
Mostly cloudy, with a low around 28. East southeast wind around 5 mph, with gusts as high as 10 mph.
Tuesday
Mostly cloudy, with a high near 53. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
A chance of showers after 1pm. Mostly cloudy, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
Last Update:
3:56 pm CDT Mar 22, 2026
Forecast Valid:
4pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation