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

13°F

-11°C

Humidity 77%
Wind Speed W 13 G 21 mph
Barometer 30.38 in (1031.0 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 31 Jan 4:51 am CST
Extended Forecast for

Long Lake IL

  • Overnight

    Overnight: Scattered flurries. Mostly cloudy, with a low around 11. Wind chill values as low as -4. North northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 11 °F

    Scattered
    Flurries

  • Saturday

    Saturday: Scattered flurries with isolated snow showers before 9am, then scattered flurries between 9am and 10am. Partly sunny, with a high near 24. Wind chill values as low as -4. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 24 °F

    Isolated Snow
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 6. North northwest wind around 5 mph becoming calm in the evening.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 26. Wind chill values as low as -2. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 17. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 17 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Scattered flurries. Mostly cloudy, with a low around 11. Wind chill values as low as -4. North northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday
Scattered flurries with isolated snow showers before 9am, then scattered flurries between 9am and 10am. Partly sunny, with a high near 24. Wind chill values as low as -4. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 6. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 26. Wind chill values as low as -2. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly cloudy, with a high near 28.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 10.
Wednesday
Mostly sunny, with a high near 25.
Wednesday Night
Partly cloudy, with a low around 9.
Thursday
Partly sunny, with a high near 29.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23.
Friday
A chance of snow. Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
Last Update:
4:56 am CST Jan 31, 2026
Forecast Valid:
5am CST Jan 31, 2026-6pm CST Feb 6, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation