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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair and Breezy

64°F

18°C

Humidity 45%
Wind Speed SW 21 G 28 mph
Barometer 29.85 in (1011.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 16 Feb 2:51 pm CST
Extended Forecast for

Long Lake IL

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 63. West southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly clear during the early evening, then becoming mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming east after midnight. Winds could gust as high as 15 mph.

    Low: 39 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 20 percent chance of rain after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 52. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 52 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 47. Southeast wind around 15 mph becoming south southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Sunny, with a high near 63. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 63 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after noon. Partly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain

  • Friday

    Friday: A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Washington's Birthday
Sunny, with a high near 63. West southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Tonight
Patchy fog after midnight. Otherwise, mostly clear during the early evening, then becoming mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming east after midnight. Winds could gust as high as 15 mph.
Tuesday
A 20 percent chance of rain after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 52. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Rain and possibly a thunderstorm. Low around 47. Southeast wind around 15 mph becoming south southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Wednesday
Sunny, with a high near 63. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
A 40 percent chance of rain after noon. Partly sunny, with a high near 55.
Thursday Night
Rain. Mostly cloudy, with a low around 35.
Friday
A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 42.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
Last Update:
3:11 pm CST Feb 16, 2026
Forecast Valid:
3pm CST Feb 16, 2026-6pm CST Feb 22, 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