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.

Overcast

52°F

11°C

Humidity 83%
Wind Speed W 14 G 24 mph
Barometer 29.93 in (1013.7 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 16 Oct 3:52 am CDT
Extended Forecast for

Crystal Lake IL

Freeze Warning October 17, 05:00am until October 17, 08:00am
Click here for hazard details and duration
...

  • Today

    Today: A 40 percent chance of showers, mainly before 2pm. Cloudy, with a high near 52. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 52 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, mostly cloudy during the early evening, then gradual clearing, with a low around 32. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Decreasing
    Clouds then
    Areas Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 55 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 35. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 35 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers, mainly before 2pm. Cloudy, with a high near 52. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Areas of frost after 5am. Otherwise, mostly cloudy during the early evening, then gradual clearing, with a low around 32. North wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Clear, with a low around 35. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.36°W
Last Update:
3:26 am CDT Oct 16, 2026
Forecast Valid:
4am CDT Oct 16, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation