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.

Overcast

40°F

4°C

Humidity 58%
Wind Speed S 13 mph
Barometer 30.27 in (1025.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 8 Apr 7:52 am CDT
Extended Forecast for

Crystal Lake IL

  • Today

    Today: Mostly sunny, with a high near 67. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 67 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 49. 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: 49 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Increasing clouds, with a high near 64. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 64 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 42. West northwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 90%.

    Low: 42 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 54. North wind around 5 mph, with gusts as high as 10 mph.

    High: 54 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 1pm. Mostly cloudy, with a high near 76.

    High: 76 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 67. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph.
Tonight
Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 49. 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
Increasing clouds, with a high near 64. West wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Showers likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 42. West northwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 90%.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 54. North wind around 5 mph, with gusts as high as 10 mph.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 48.
Sunday
A chance of showers after 1pm. 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 77. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52.
Tuesday
Showers likely. Mostly cloudy, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
Last Update:
5:06 am CDT Apr 8, 2026
Forecast Valid:
8am CDT Apr 8, 2026-6pm CDT Apr 14, 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