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

71°F

22°C

Humidity 94%
Wind Speed N 6 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 4 Jul 8:52 pm CDT
Extended Forecast for

Crystal Lake IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 63. North northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 63 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Isolated showers and thunderstorms between 1pm and 4pm. Mostly cloudy, with a high near 78. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Cloudy
    then Isolated
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 78. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 63. North northeast wind around 5 mph, with gusts as high as 10 mph.
Sunday
Isolated showers and thunderstorms between 1pm and 4pm. Mostly cloudy, with a high near 78. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 61. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 78. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 86.
Wednesday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 64.
Friday
Partly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.36°W
Last Update:
9:06 pm CDT Jul 4, 2026
Forecast Valid:
9pm CDT Jul 4, 2026-6pm CDT Jul 11, 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