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

15°F

-9°C

Humidity 46%
Wind Speed N 9 mph
Barometer 30.29 in (1027.2 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 7 Feb 12:51 am CST
Extended Forecast for

Winthrop Harbor IL

  • Overnight

    Overnight: Mostly clear, with a low around 8. Wind chill values between -5 and zero. North wind around 10 mph.

    Low: 8 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 21. Wind chill values between -5 and 5. Northwest wind 5 to 10 mph becoming light and variable in the afternoon.

    High: 21 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow between midnight and 4am. Cloudy, with a low around 18. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 18 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 28. South wind 5 to 10 mph.

    High: 28 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. South wind around 5 mph.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 37. Southwest wind 5 to 10 mph.

    High: 37 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. West wind 5 to 10 mph becoming south in the evening.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. West wind 5 to 10 mph.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 8. Wind chill values between -5 and zero. North wind around 10 mph.
Saturday
Sunny, with a high near 21. Wind chill values between -5 and 5. Northwest wind 5 to 10 mph becoming light and variable in the afternoon.
Saturday Night
A slight chance of snow between midnight and 4am. Cloudy, with a low around 18. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
Mostly cloudy, with a high near 28. South wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 22. South wind around 5 mph.
Monday
Partly sunny, with a high near 37. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 32. West wind 5 to 10 mph becoming south in the evening.
Tuesday
Partly sunny, with a high near 45. West wind 5 to 10 mph.
Tuesday Night
A slight chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 25.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 36.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26.
Friday
A 20 percent chance of snow. Mostly cloudy, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.49°N 87.81°W (Elev. 600 ft)
Last Update:
12:22 am CST Feb 7, 2026
Forecast Valid:
1am CST Feb 7, 2026-6pm CST Feb 13, 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