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.

Fair

34°F

1°C

Humidity 52%
Wind Speed NE 8 mph
Barometer 30.44 in (1031.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 7 Apr 5:52 pm CDT
Extended Forecast for

Crystal Lake IL

  • Tonight

    Tonight: A chance of snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Increasing clouds, with a low around 30. East wind 10 to 15 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 65. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 65 °F

    Gradual
    Clearing and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 47. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers likely before 7am. Mostly sunny, with a high near 62. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers. Low around 41. Northwest wind around 5 mph becoming east northeast after midnight. Chance of precipitation is 80%.

    Low: 41 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Increasing clouds, with a low around 30. East wind 10 to 15 mph. Chance of precipitation is 30%.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 65. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
A chance of showers before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 47. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely before 7am. Mostly sunny, with a high near 62. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
Showers. Low around 41. Northwest wind around 5 mph becoming east northeast after midnight. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 55.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 48.
Sunday
A chance of showers. Mostly cloudy, with a high near 76.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 62.
Monday
A chance of showers. Mostly cloudy, with a high near 78. Breezy.
Monday Night
Showers likely. Mostly cloudy, with a low around 49.
Tuesday
Showers likely. Mostly cloudy, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.25°N 88.33°W
Last Update:
3:11 pm CDT Apr 7, 2026
Forecast Valid:
6pm CDT Apr 7, 2026-6pm CDT Apr 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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