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.

Fair

51°F

11°C

Humidity 52%
Wind Speed SW 13 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 21 Apr 4:51 am CDT
Extended Forecast for

Third Lake IL

  • Today

    Today: Scattered showers and thunderstorms, mainly between 2pm and 4pm. Partly sunny, with a high near 73. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 73 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 47. West wind around 5 mph becoming north northeast in the evening. Winds could gust as high as 10 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68. North northeast wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. East southeast 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 78. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly between 2pm and 4pm. Partly sunny, with a high near 73. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 47. West wind around 5 mph becoming north northeast in the evening. Winds could gust as high as 10 mph.
Wednesday
Sunny, with a high near 68. North northeast wind 5 to 10 mph becoming east southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 50. East southeast wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.
Thursday
Mostly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 46.
Monday
A chance of showers. Mostly cloudy, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.37°N 87.99°W
Last Update:
4:31 am CDT Apr 21, 2026
Forecast Valid:
5am CDT Apr 21, 2026-6pm CDT Apr 27, 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