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

41°F

5°C

Humidity 79%
Wind Speed SE 5 mph
Barometer 30.10 in (1019.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 24 Dec 7:52 pm CST
Extended Forecast for

Crystal Lake IL

  • Tonight

    Tonight: A chance of drizzle, mainly before 11pm. Patchy fog between midnight and 3am. Otherwise, cloudy, with a low around 36. East wind 5 to 10 mph becoming north after midnight.

    Low: 36 °F

    Chance
    Drizzle then
    Slight Chance
    Drizzle and
    Patchy Fog

  • Christmas Day

    Christmas Day: Cloudy, with a high near 40. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 40 °F

    Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after midnight. Low around 36. East southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Slight Chance
    Rain then
    Rain

  • Friday

    Friday: A 50 percent chance of rain before noon. Cloudy, with a high near 45. Southeast wind around 5 mph becoming northwest in the afternoon. Winds could gust as high as 10 mph.

    High: 45 °F

    Chance Rain
    then Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 35. Northwest wind around 5 mph becoming calm.

    Low: 35 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 39.

    Low: 39 °F

    Cloudy

  • Sunday

    Sunday: A chance of rain and snow after noon. Cloudy, with a high near 41. Breezy.

    High: 41 °F

    Cloudy then
    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: A chance of rain and snow before midnight. Partly cloudy, with a low around 12. Blustery.

    Low: 12 °F

    Blustery.
    Chance
    Rain/Snow
    then Partly
    Cloudy

Detailed Forecast

Tonight
A chance of drizzle, mainly before 11pm. Patchy fog between midnight and 3am. Otherwise, cloudy, with a low around 36. East wind 5 to 10 mph becoming north after midnight.
Christmas Day
Cloudy, with a high near 40. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Rain, mainly after midnight. Low around 36. East southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of rain before noon. Cloudy, with a high near 45. Southeast wind around 5 mph becoming northwest in the afternoon. Winds could gust as high as 10 mph.
Friday Night
Cloudy, with a low around 35. Northwest wind around 5 mph becoming calm.
Saturday
Mostly cloudy, with a high near 46.
Saturday Night
Cloudy, with a low around 39.
Sunday
A chance of rain and snow after noon. Cloudy, with a high near 41. Breezy.
Sunday Night
A chance of rain and snow before midnight. Partly cloudy, with a low around 12. Blustery.
Monday
Mostly sunny, with a high near 22. Blustery.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 27. Blustery.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.25°N 88.33°W
Last Update:
8:21 pm CST Dec 24, 2025
Forecast Valid:
8pm CST Dec 24, 2025-6pm CST Dec 31, 2025
 
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