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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Thunderstorm Rain Fog/Mist

54°F

12°C

Humidity 100%
Wind Speed Vrbl 6 mph
Barometer 29.79 in (1008.3 mb)
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Wind Chill52°F (11°C)
Last update 14 Apr 5:51 am CDT
Extended Forecast for

Long Lake IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 76. North wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 9pm. Mostly cloudy, with a low around 62. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 74. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 69. West southwest wind around 10 mph, with gusts as high as 25 mph.

    High: 69 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Partly sunny, with a high near 66. Breezy.

    High: 66 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 76. North wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 9pm. Mostly cloudy, with a low around 62. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 74. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 69. West southwest wind around 10 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 72.
Friday Night
Showers likely, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54.
Saturday
Showers likely, mainly before 1pm. Partly sunny, with a high near 66. Breezy.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
Last Update:
6:36 am CDT Apr 14, 2026
Forecast Valid:
6am CDT Apr 14, 2026-6pm CDT Apr 20, 2026
 
Forecast Discussion
 
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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