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.

Overcast

27°F

-3°C

Humidity 69%
Wind Speed NW 8 mph
Barometer 30.12 in (1021.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 21 Feb 4:51 pm CST
Extended Forecast for

2 Miles NNW Winthrop Harbor IL

  • This Afternoon

    This Afternoon: A chance of flurries. Cloudy, with a high near 34. Northwest wind around 10 mph.

    High: 34 °F

    Chance
    Flurries

  • Tonight

    Tonight: A 40 percent chance of snow showers after 4am. Cloudy, with a low around 22. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: A slight chance of snow showers before 1pm, then a chance of flurries between 1pm and 2pm, then a slight chance of snow showers after 2pm. Mostly cloudy, with a high near 29. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 29 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 18. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Slight Chance
    Snow Showers
    and Blustery
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 28. North wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. North wind around 5 mph becoming southwest after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow. Mostly cloudy, with a high near 40. South wind 10 to 15 mph.

    High: 40 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 27. Southwest wind around 10 mph becoming northwest after midnight.

    Low: 27 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A slight chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
A chance of flurries. Cloudy, with a high near 34. Northwest wind around 10 mph.
Tonight
A 40 percent chance of snow showers after 4am. Cloudy, with a low around 22. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A slight chance of snow showers before 1pm, then a chance of flurries between 1pm and 2pm, then a slight chance of snow showers after 2pm. Mostly cloudy, with a high near 29. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of snow showers before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 18. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 28. North wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 18. North wind around 5 mph becoming southwest after midnight.
Tuesday
A 30 percent chance of snow. Mostly cloudy, with a high near 40. South wind 10 to 15 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27. Southwest wind around 10 mph becoming northwest after midnight.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 20%.
Wednesday Night
A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Thursday
A 30 percent chance of snow. Mostly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Sunny, with a high near 48.
Friday Night
A slight chance of rain and snow. Partly cloudy, with a low around 31. Chance of precipitation is 20%.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 20%.
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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:
2:33 pm CST Feb 21, 2026
Forecast Valid:
5pm CST Feb 21, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation