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.

Fair

19°F

-7°C

Humidity 57%
Wind Speed NW 14 G 26 mph
Barometer 29.89 in (1014.0 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 16 Mar 9:51 pm CDT
Extended Forecast for

Long Lake IL

  • Tonight

    Tonight: Scattered snow showers, mainly before 1am. Patchy blowing snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 8. Wind chill values as low as -4. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 8 °F

    Scattered
    Snow Showers
    and Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Increasing clouds, with a high near 24. Wind chill values as low as -4. West northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 24 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly after 10pm. Low around 18. South wind 5 to 15 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Snow

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 40. South wind 5 to 15 mph.

    High: 40 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. West southwest wind around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered snow showers, mainly before 1am. Patchy blowing snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 8. Wind chill values as low as -4. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
Increasing clouds, with a high near 24. Wind chill values as low as -4. West northwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday Night
Snow, mainly after 10pm. Low around 18. South wind 5 to 15 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 40. South wind 5 to 15 mph.
Wednesday Night
Mostly cloudy, with a low around 30. West southwest wind around 5 mph.
Thursday
Partly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Mostly cloudy, with a high near 54.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
Last Update:
9:01 pm CDT Mar 16, 2026
Forecast Valid:
10pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation