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.

Mostly Cloudy

43°F

6°C

Humidity 65%
Wind Speed NW 13 G 23 mph
Barometer 30.21 in (1023.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 6 Apr 9:51 am CDT
Extended Forecast for

2 Miles NNW Winthrop Harbor IL

  • Today

    Today: Partly sunny, with a high near 46. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: Scattered snow showers, mainly before 10pm. Mostly cloudy, with a low around 25. North wind 10 to 15 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Scattered
    Snow Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. North wind around 5 mph becoming east in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow between 1am and 4am, then a slight chance of rain after 4am. Increasing clouds, with a low around 30. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 59. South wind around 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 50. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 62. Southwest wind 10 to 15 mph.

    High: 62 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Southwest wind around 5 mph becoming north after midnight. Chance of precipitation is 50%.

    Low: 43 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 54.

    High: 54 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 46. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Scattered snow showers, mainly before 10pm. Mostly cloudy, with a low around 25. North wind 10 to 15 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 35. North wind around 5 mph becoming east in the afternoon.
Tuesday Night
A slight chance of rain and snow between 1am and 4am, then a slight chance of rain after 4am. Increasing clouds, with a low around 30. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 59. South wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 50. South wind around 15 mph, with gusts as high as 25 mph.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 62. Southwest wind 10 to 15 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Southwest wind around 5 mph becoming north after midnight. Chance of precipitation is 50%.
Friday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 54.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 39.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 54.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Sunday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Winthrop Harbor IL
 42.52°N 87.84°W (Elev. 623 ft)
Last Update:
10:33 am CDT Apr 6, 2026
Forecast Valid:
10am CDT Apr 6, 2026-6pm CDT Apr 12, 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