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

35°F

2°C

Humidity 93%
Wind Speed NW 9 G 18 mph
Barometer 29.72 in (1007.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 11 Mar 9:51 am CDT
Extended Forecast for

Long Lake IL

  • Today

    Today: Rain and snow, becoming all snow after 1pm. High near 36. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain then
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: A slight chance of rain and snow before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    Low: 26 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 46. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely. Cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Partly sunny, with a high near 45. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.

    High: 45 °F

    Partly Sunny
    and Very
    Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 1pm. Cloudy, with a high near 39.

    High: 39 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 31.

    Low: 31 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow. Cloudy, with a high near 42. Breezy.

    High: 42 °F

    Rain/Snow and
    Breezy

Detailed Forecast

Today
Rain and snow, becoming all snow after 1pm. High near 36. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A slight chance of rain and snow before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Thursday
Increasing clouds, with a high near 46. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Showers likely. Cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 45. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
A 30 percent chance of snow, mainly after 1pm. Cloudy, with a high near 39.
Saturday Night
A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 31.
Sunday
Rain and snow. Cloudy, with a high near 42. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 15. Blustery.
Monday
Mostly cloudy, with a high near 26. Blustery.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
Last Update:
10:11 am CDT Mar 11, 2026
Forecast Valid:
10am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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