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

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

72°F

22°C

Humidity 91%
Wind Speed W 6 mph
Barometer 29.90 in (1011.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 18 Aug 7:51 pm CDT
Extended Forecast for

Pistakee Highlands IL

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 62. West wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    T-storms
    Likely then
    Slight Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 78. North northwest wind 5 to 10 mph becoming northeast in the afternoon.

    High: 78 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. East southeast wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before midnight. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 62. West wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 78. North northwest wind 5 to 10 mph becoming northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 57. East southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 79. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 60. South wind around 5 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 79. Chance of precipitation is 40%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pistakee Highlands IL
 42.38°N 88.2°W
Last Update:
7:01 pm CDT Aug 18, 2026
Forecast Valid:
8pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation