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.

A Few Clouds

26°F

-3°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.88 in (1012.3 mb)
Dewpoint 26°F (-3°C)
Visibility 8.00 mi
Last update 27 Feb 3:52 am CST
Extended Forecast for

Crystal Lake IL

  • Today

    Today: Mostly sunny, with a high near 61. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 61 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 27. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow after noon. Mostly cloudy, with a high near 33. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 33 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 17. North wind around 10 mph, with gusts as high as 15 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • Sunday

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

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 40.

    High: 40 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 61. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
Partly cloudy, with a low around 27. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
A 50 percent chance of snow after noon. Mostly cloudy, with a high near 33. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around 17. North wind around 10 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 31. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
A chance of rain. Mostly cloudy, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A chance of rain. Partly sunny, with a high near 47.
Wednesday Night
Rain likely. Cloudy, with a low around 37.
Thursday
Rain likely. Mostly 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:
4:41 am CST Feb 27, 2026
Forecast Valid:
4am CST Feb 27, 2026-6pm CST Mar 5, 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