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.

Light Rain

58°F

14°C

Humidity 87%
Wind Speed S 15 G 26 mph
Barometer 29.27 in (991.3 mb)
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Last update 15 Mar 2:52 pm CDT
Extended Forecast for

Crystal Lake IL

Winter Weather Advisory March 15, 10:00pm until March 16, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 54. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 54 °F

    Showers and
    Breezy

  • Tonight

    Tonight: Rain and sleet before 11pm, then snow, possibly mixed with sleet between 11pm and midnight, then snow after midnight. Some thunder is also possible. Patchy blowing snow after 1am. Low around 20. Windy, with a north wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Wintry Mix
    and Blustery
    then Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 1pm. Widespread blowing snow, mainly between 9am and noon. High near 22. Wind chill values as low as 1. Windy, with a northwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 22 °F

    Snow and
    Blowing Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 7. Wind chill values as low as -7. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 7 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Cloudy, with a low around 17. Chance of precipitation is 60%.

    Low: 17 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 54. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain and sleet before 11pm, then snow, possibly mixed with sleet between 11pm and midnight, then snow after midnight. Some thunder is also possible. Patchy blowing snow after 1am. Low around 20. Windy, with a north wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Monday
Snow, mainly before 1pm. Widespread blowing snow, mainly between 9am and noon. High near 22. Wind chill values as low as 1. Windy, with a northwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Patchy blowing snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 7. Wind chill values as low as -7. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 22. West northwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Snow showers likely, mainly after 1am. Cloudy, with a low around 17. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly 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:
1:21 pm CDT Mar 15, 2026
Forecast Valid:
3pm CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation