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Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

77°F

25°C

Humidity 39%
Wind Speed E 5 mph
Barometer 30.30 in (1025.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 2 Aug 4:52 pm CDT
Extended Forecast for

Crystal Lake IL

  • Tonight

    Tonight: Mostly clear, with a low around 53. East wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Widespread haze. Mostly sunny, with a high near 81. Light and variable wind becoming east 5 to 10 mph in the morning.

    High: 81 °F

    Haze

  • Sunday Night

    Sunday Night: Widespread haze. Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Haze

  • Monday

    Monday: Mostly sunny, with a high near 82. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. East wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 53. East wind around 5 mph becoming calm in the evening.
Sunday
Widespread haze. Mostly sunny, with a high near 81. Light and variable wind becoming east 5 to 10 mph in the morning.
Sunday Night
Widespread haze. Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 82. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 10 mph.
Monday Night
Partly cloudy, with a low around 63. East wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 68.
Friday
Mostly sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
Last Update:
4:12 pm CDT Aug 2, 2025
Forecast Valid:
5pm CDT Aug 2, 2025-6pm CDT Aug 9, 2025
 
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