Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

48°F

9°C

Humidity 89%
Wind Speed N 5 mph
Barometer 29.93 in (1013.0 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 22 Apr 6:51 am CDT
Extended Forecast for

Long Lake IL

  • Today

    Today: Mostly sunny, with a high near 69. North wind 5 to 10 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. East northeast wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 62. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 74. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am.  Partly cloudy, with a low around 47. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 69. North wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 50. East northeast wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.
Thursday
Mostly sunny, with a high near 79. South wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Friday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 47. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 49.
Monday
Showers likely. Mostly cloudy, with a high near 69.
Monday Night
Showers likely. Mostly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
6:06 am CDT Apr 22, 2026
6am CDT Apr 22, 2026-6pm CDT Apr 28, 2026
 
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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