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

32°F

0°C

Humidity 59%
Wind Speed NW 8 mph
Barometer 30.11 in (1020.1 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 14 Mar 12:52 am CDT
Extended Forecast for

Crystal Lake IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. North northwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers after noon, mixing with rain after 4pm. Mostly cloudy, with a high near 40. Light and variable wind becoming east southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    High: 40 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 34. East wind around 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 59. Breezy, with a south wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.

    High: 59 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Rain showers and snow showers, possibly mixed with sleet before 1am, then snow showers, possibly mixed with sleet between 1am and 4am, then snow showers after 4am. Patchy blowing snow after 1am. Low around 19. Windy, with a southwest wind 25 to 30 mph becoming north in the evening. Winds could gust as high as 40 mph. Chance of precipitation is 100%.

    Low: 19 °F

    Wintry Mix
    and Patchy
    Blowing Snow

  • Monday

    Monday: Snow showers, mainly before 1pm. Widespread blowing snow, mainly between 9am and noon. High near 22. Blustery. Chance of precipitation is 80%.

    High: 22 °F

    Snow Showers
    and Blowing
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 6. Blustery.

    Low: 6 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Snow Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. North northwest wind around 5 mph, with gusts as high as 15 mph.
Saturday
A slight chance of snow showers after noon, mixing with rain after 4pm. Mostly cloudy, with a high near 40. Light and variable wind becoming east southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 34. East wind around 15 mph, with gusts as high as 25 mph.
Sunday
Showers and possibly a thunderstorm. High near 59. Breezy, with a south wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Sunday Night
Rain showers and snow showers, possibly mixed with sleet before 1am, then snow showers, possibly mixed with sleet between 1am and 4am, then snow showers after 4am. Patchy blowing snow after 1am. Low around 19. Windy, with a southwest wind 25 to 30 mph becoming north in the evening. Winds could gust as high as 40 mph. Chance of precipitation is 100%.
Monday
Snow showers, mainly before 1pm. Widespread blowing snow, mainly between 9am and noon. High near 22. Blustery. Chance of precipitation is 80%.
Monday Night
Mostly cloudy, with a low around 6. Blustery.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 15.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
Last Update:
1:21 am CDT Mar 14, 2026
Forecast Valid:
1am CDT Mar 14, 2026-6pm CDT Mar 20, 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