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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast and Windy

42°F

6°C

Humidity 47%
Wind Speed W 26 G 51 mph
Barometer 29.54 in (1000.9 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Mar 12:51 pm CDT
Extended Forecast for

Winthrop Harbor IL

Winter Storm Watch March 14, 07:00pm until March 16, 04:00pm
High Wind Warning March 13, 01:51pm until March 13, 04:00pm
Click here for hazard details and duration
Winter Storm Watch
High Wind Warning
  •  
    High Wind Warning March 13, 01:51pm until March 13, 04:00pm

    NOW until 4:00pm Fri

    High Wind Warning

  • This Afternoon

    High: 46 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: Increasing clouds, with a low around 30. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 40 mph.

    Low: 30 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after 4pm. Cloudy, with a high near 39. North wind 5 to 10 mph becoming southeast in the afternoon.

    High: 39 °F

    Cloudy then
    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of snow before 11pm, then a chance of rain and snow between 11pm and 1am, then rain likely after 1am. Cloudy, with a low around 34. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain likely, then rain and possibly a thunderstorm after 1pm. High near 56. Southeast wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: Rain before 1am, then snow, possibly mixed with rain between 1am and 4am, then snow after 4am. Low around 22. Blustery, with a south wind 15 to 20 mph becoming north in the evening. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 22 °F

    Rain then
    Rain/Snow and
    Blustery

  • Monday

    Monday: Snow, mainly before 1pm. Patchy blowing snow. High near 28. Blustery, with a northwest wind around 20 mph, with gusts as high as 45 mph. Chance of precipitation is 80%.

    High: 28 °F

    Snow and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 11. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 11 °F

    Chance Snow
    and Blustery

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 46. Windy, with a west wind around 30 mph, with gusts as high as 55 mph.
Tonight
Increasing clouds, with a low around 30. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 40 mph.
Saturday
A 20 percent chance of snow after 4pm. Cloudy, with a high near 39. North wind 5 to 10 mph becoming southeast in the afternoon.
Saturday Night
A chance of snow before 11pm, then a chance of rain and snow between 11pm and 1am, then rain likely after 1am. Cloudy, with a low around 34. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday
Rain likely, then rain and possibly a thunderstorm after 1pm. High near 56. Southeast wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain before 1am, then snow, possibly mixed with rain between 1am and 4am, then snow after 4am. Low around 22. Blustery, with a south wind 15 to 20 mph becoming north in the evening. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Monday
Snow, mainly before 1pm. Patchy blowing snow. High near 28. Blustery, with a northwest wind around 20 mph, with gusts as high as 45 mph. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 11. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.49°N 87.81°W (Elev. 600 ft)
Last Update:
1:42 pm CDT Mar 13, 2026
Forecast Valid:
1pm CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation