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

35°F

2°C

Humidity 82%
Wind Speed NW 20 G 28 mph
Barometer 29.88 in (1012.4 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 11 Mar 2:52 pm CDT
Extended Forecast for

Crystal Lake IL

  • This Afternoon

    This Afternoon: Snow likely, mainly before 4pm. Mostly cloudy, with a high near 35. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 35 °F

    Snow Likely
    and Breezy

  • Tonight

    Tonight: A 10 percent chance of snow before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 26 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 45. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely. Cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Partly sunny, with a high near 45. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.

    High: 45 °F

    Partly Sunny
    and Very
    Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after 1pm. Cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow showers before 1am, then rain and snow showers likely. Cloudy, with a low around 31.

    Low: 31 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow showers, becoming all rain after 1pm. Cloudy, with a high near 43. Breezy.

    High: 43 °F

    Rain/Snow and
    Breezy

Detailed Forecast

This Afternoon
Snow likely, mainly before 4pm. Mostly cloudy, with a high near 35. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight
A 10 percent chance of snow before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 45. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Showers likely. Cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 45. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
A 20 percent chance of snow after 1pm. Cloudy, with a high near 41.
Saturday Night
A chance of snow showers before 1am, then rain and snow showers likely. Cloudy, with a low around 31.
Sunday
Rain and snow showers, becoming all rain after 1pm. Cloudy, with a high near 43. Breezy.
Sunday Night
Rain and snow showers likely before 1am, then a chance of snow showers. Cloudy, with a low around 16. Blustery.
Monday
Mostly cloudy, with a high near 24. Blustery.
Monday Night
Mostly cloudy, with a low around 4.
Tuesday
Sunny, with a high near 27.
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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:
2:26 pm CDT Mar 11, 2026
Forecast Valid:
3pm CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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