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.

Light Snow Fog/Mist

26°F

-3°C

Humidity 88%
Wind Speed SW 15 mph
Barometer 29.47 in (999.6 mb)
Dewpoint 23°F (-5°C)
Visibility 1.00 mi
Wind Chill14°F (-10°C)
Last update 16 Jan 7:51 am CST
Extended Forecast for

Long Lake IL

  • Today

    Today: Snow, mainly before 11am, then a chance of snow showers after noon. High near 35. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.

    High: 35 °F

    Snow then
    Chance Snow
    Showers

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly before 9pm. Mostly cloudy, with a low around 14. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 19. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 19 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 7. Wind chill values as low as -6. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 7 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 19. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 19 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 1. Blustery.

    Low: 1 °F

    Slight Chance
    Snow then
    Partly Cloudy
    and Blustery

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 7. Blustery.

    High: 7 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 16.

    High: 16 °F

    Partly Sunny

Detailed Forecast

Today
Snow, mainly before 11am, then a chance of snow showers after noon. High near 35. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
Tonight
A 30 percent chance of snow showers, mainly before 9pm. Mostly cloudy, with a low around 14. West wind around 15 mph, with gusts as high as 25 mph.
Saturday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 19. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 7. Wind chill values as low as -6. West wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 19. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 1. Blustery.
M.L.King Day
Partly sunny and cold, with a high near 7. Blustery.
Monday Night
Partly cloudy, with a low around 0.
Tuesday
Partly sunny, with a high near 16.
Tuesday Night
A chance of snow before midnight. Mostly cloudy, with a low around 10.
Wednesday
Mostly cloudy, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 24.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
Last Update:
5:01 am CST Jan 16, 2026
Forecast Valid:
8am CST Jan 16, 2026-6pm CST Jan 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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