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.

Overcast

26°F

-3°C

Humidity 75%
Wind Speed NW 20 G 29 mph
Barometer 30.25 in (1025.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 11 Jan 7:52 am CST
Extended Forecast for

Crystal Lake IL

  • Today

    Today: Scattered flurries before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 32. Breezy, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 32 °F

    Scattered
    Flurries and
    Breezy then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 32. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of showers before noon. Partly sunny, with a high near 48. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain showers between midnight and 3am, then a slight chance of snow showers after 3am. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 31. Blustery.

    High: 31 °F

    Chance Snow
    Showers and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered flurries before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 32. Breezy, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
Partly cloudy, with a low around 26. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 40. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 32. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A 30 percent chance of showers before noon. Partly sunny, with a high near 48. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of rain showers between midnight and 3am, then a slight chance of snow showers after 3am. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 31. Blustery.
Wednesday Night
Mostly cloudy, with a low around 14.
Thursday
Mostly sunny, with a high near 27.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 20.
Friday
A chance of snow showers. Mostly cloudy, with a high near 32.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
Last Update:
4:26 am CST Jan 11, 2026
Forecast Valid:
7am CST Jan 11, 2026-6pm CST Jan 17, 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