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

55°F

13°C

Humidity 87%
Wind Speed Calm
Barometer 30.36 in (1028.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 1 Nov 7:52 am CST
Extended Forecast for

Crystal Lake IL

  • Today

    Today: Scattered showers, mainly between 9am and 10am. Mostly cloudy, with a high near 64. South wind around 5 mph. Chance of precipitation is 30%.

    High: 64 °F

    Scattered
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 52. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 52 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of showers after 5pm. Cloudy, with a high near 65. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 65 °F

    Cloudy then
    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers. Cloudy, with a low around 57. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Rain, mainly after noon. High near 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 72 °F

    Breezy.
    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before noon. Partly sunny, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before midnight. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday

    Thursday: A chance of rain after noon. Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Scattered showers, mainly between 9am and 10am. Mostly cloudy, with a high near 64. South wind around 5 mph. Chance of precipitation is 30%.
Tonight
A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 52. South wind around 5 mph, with gusts as high as 15 mph.
Monday
A 40 percent chance of showers after 5pm. Cloudy, with a high near 65. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 50 percent chance of showers. Cloudy, with a low around 57. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Rain, mainly after noon. High near 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 55. Chance of precipitation is 80%.
Wednesday
Rain likely, mainly before noon. Partly sunny, with a high near 66. Chance of precipitation is 70%.
Wednesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 49.
Thursday
A chance of rain after noon. Mostly cloudy, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
A chance of rain. Mostly cloudy, with a high near 58.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 58.
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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:
8:17 am CST Nov 1, 2026
Forecast Valid:
8am CST Nov 1, 2026-6pm CST Nov 7, 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