National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Fair

7°F

-14°C

Humidity 60%
Wind Speed W 10 mph
Barometer 30.29 in (1027.2 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 27 Jan 7:52 pm CST
Extended Forecast for

Crystal Lake IL

  • Tonight

    Tonight: Mostly clear, with a low around 0. Wind chill values as low as -15. West wind 5 to 10 mph.

    Low: 0 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 13. Wind chill values as low as -15. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 13 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -2. Wind chill values as low as -13. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: -2 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 11. Wind chill values as low as -13. Northwest wind 5 to 10 mph.

    High: 11 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around -1. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: -1 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly before noon. Mostly sunny, with a high near 14.

    High: 14 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow. Partly cloudy, with a low around 4.

    Low: 4 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 0. Wind chill values as low as -15. West wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 13. Wind chill values as low as -15. West wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around -2. Wind chill values as low as -13. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 11. Wind chill values as low as -13. Northwest wind 5 to 10 mph.
Thursday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around -1. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
A 30 percent chance of snow, mainly before noon. Mostly sunny, with a high near 14.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 4.
Saturday
Mostly sunny, with a high near 20.
Saturday Night
Partly cloudy, with a low around 6.
Sunday
A chance of snow after noon. Mostly sunny, with a high near 23.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 13.
Monday
Mostly cloudy, with a high near 25.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.36°W
Last Update:
7:36 pm CST Jan 27, 2026
Forecast Valid:
8pm CST Jan 27, 2026-6pm CST Feb 3, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation