National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Mostly Cloudy

27°F

-3°C

Humidity 66%
Wind Speed NW 9 G 22 mph
Barometer 29.60 in (1003.4 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 25 Feb 7:51 am CST
Extended Forecast for

2 Miles NNW Winthrop Harbor IL

  • Today

    Today: Sunny, with a high near 31. Northwest wind 10 to 15 mph.

    High: 31 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. Northwest wind around 5 mph.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 41. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Southwest wind 5 to 10 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54. Southwest wind 10 to 15 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28. Southwest wind around 10 mph becoming northwest after midnight.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 35. North wind around 10 mph.

    High: 35 °F

    Slight Chance
    Snow then
    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 21. North wind around 10 mph.

    Low: 21 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 31. Northwest wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 18. Northwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 41. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 30. Southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 54. Southwest wind 10 to 15 mph.
Friday Night
Partly cloudy, with a low around 28. Southwest wind around 10 mph becoming northwest after midnight.
Saturday
A 50 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 35. North wind around 10 mph.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 21. North wind around 10 mph.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 29.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 32.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 38.
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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:
8:19 am CST Feb 25, 2026
Forecast Valid:
8am CST Feb 25, 2026-6pm CST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation