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

33°F

1°C

Humidity 85%
Wind Speed NW 8 G 21 mph
Barometer 29.74 in (1008.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 6 Feb 8:51 am CST
Extended Forecast for

Long Lake IL

  • Today

    Today: A chance of flurries between 1pm and 3pm. Cloudy, with a temperature falling to around 28 by 5pm. Breezy, with a north northwest wind around 20 mph, with gusts as high as 35 mph.

    High: 36 °F⇓

    Chance
    Flurries and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 6. Wind chill values as low as -5. North wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 6 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Increasing clouds, with a high near 22. Wind chill values as low as -5. North northwest wind around 5 mph becoming calm. Winds could gust as high as 10 mph.

    High: 22 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Cloudy, with a low around 16. South southeast wind 5 to 10 mph.

    Low: 16 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 31. South southeast wind 5 to 10 mph.

    High: 31 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Today
A chance of flurries between 1pm and 3pm. Cloudy, with a temperature falling to around 28 by 5pm. Breezy, with a north northwest wind around 20 mph, with gusts as high as 35 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 6. Wind chill values as low as -5. North wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
Increasing clouds, with a high near 22. Wind chill values as low as -5. North northwest wind around 5 mph becoming calm. Winds could gust as high as 10 mph.
Saturday Night
A 20 percent chance of snow after midnight. Cloudy, with a low around 16. South southeast wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 31. South southeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
A chance of rain before midnight, then a chance of rain and snow. Cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Mostly cloudy, with a high near 34.
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:
8:06 am CST Feb 6, 2026
Forecast Valid:
9am CST Feb 6, 2026-6pm CST Feb 12, 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