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

38°F

3°C

Humidity 37%
Wind Speed SW 10 mph
Barometer 30.59 in (1036.9 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 28 Mar 11:51 am CDT
Extended Forecast for

2 Miles NNW Winthrop Harbor IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 47. South wind 10 to 15 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 39. South wind 10 to 15 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 58. Southwest wind 10 to 15 mph.

    High: 58 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. South wind 5 to 10 mph.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64. South wind 5 to 10 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. South wind 10 to 15 mph.

    Low: 55 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Cloudy, with a low around 35. North wind 10 to 15 mph.

    Low: 35 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 47. South wind 10 to 15 mph.
Tonight
Increasing clouds, with a low around 39. South wind 10 to 15 mph.
Sunday
Partly sunny, with a high near 58. Southwest wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 46. South wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 64. South wind 5 to 10 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. South wind 10 to 15 mph.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A 50 percent chance of rain. Cloudy, with a low around 35. North wind 10 to 15 mph.
Wednesday
Mostly cloudy, with a high near 43.
Wednesday Night
A 20 percent chance of snow after 1am. Partly cloudy, with a low around 31.
Thursday
A chance of rain and snow. Mostly sunny, with a high near 45. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of rain. Partly cloudy, with a low around 36.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Winthrop Harbor IL
 42.52°N 87.84°W (Elev. 623 ft)
Last Update:
12:31 pm CDT Mar 28, 2026
Forecast Valid:
12pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation