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

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Partly Cloudy

56°F

13°C

Humidity 72%
Wind Speed N 14 G 24 mph
Barometer 30.34 in (1027.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 26 Oct 3:51 pm CDT
Extended Forecast for

Long Lake IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 63. Northeast wind around 15 mph.

    High: 63 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Northeast wind 5 to 15 mph.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 68. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 68 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 73.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 1pm. Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 63. Northeast wind around 15 mph.
Tonight
Partly cloudy, with a low around 45. Northeast wind 5 to 15 mph.
Tuesday
Partly sunny, with a high near 68. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 50. South wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Mostly sunny, with a high near 72. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 49.
Friday
A chance of showers after 1pm. Partly sunny, with a high near 69.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52.
Saturday
A chance of showers. Mostly cloudy, with a high near 70.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53.
Sunday
A chance of showers. Mostly cloudy, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
Last Update:
3:40 pm CDT Oct 26, 2026
Forecast Valid:
3pm CDT Oct 26, 2026-6pm CST Nov 1, 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