Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

80°F

27°C

Humidity 47%
Wind Speed W 6 mph
Barometer 29.98 in (1014.1 mb)
Dewpoint 58°F (14°C)
Visibility 9.00 mi
Heat Index81°F (27°C)
Last update 13 Jul 5:51 pm CDT
Extended Forecast for

Winthrop Harbor IL

  • Tonight

    Tonight: Areas of smoke. Partly cloudy, with a low around 64. Southwest wind around 5 mph.

    Low: 64 °F

    Areas Smoke

  • Monday

    Monday: Sunny, with a high near 82. West wind 5 to 10 mph becoming southeast in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the morning.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Partly sunny, with a high near 86. South wind 5 to 10 mph.  Chance of precipitation is 30%.

    High: 86 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 71. Southwest wind around 5 mph.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 81. West wind around 10 mph.

    High: 81 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Tonight
Areas of smoke. Partly cloudy, with a low around 64. Southwest wind around 5 mph.
Monday
Sunny, with a high near 82. West wind 5 to 10 mph becoming southeast in the afternoon.
Monday Night
Mostly clear, with a low around 69. South wind around 5 mph.
Tuesday
Sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind around 5 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 86. South wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 5 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. West wind around 10 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 65.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.49°N 87.81°W (Elev. 600 ft)
5:54 pm CDT Jul 13, 2025
6pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database