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.

Light Snow Fog/Mist

26°F

-3°C

Humidity 92%
Wind Speed NW 12 G 24 mph
Barometer 29.30 in (993.4 mb)
Dewpoint 24°F (-4°C)
Visibility 1.00 mi
Wind Chill15°F (-9°C)
Last update 16 Mar 3:51 am CDT
Extended Forecast for

Winthrop Harbor IL

Blizzard Warning March 16, 04:49am until March 16, 04:00pm
Click here for hazard details and duration
Blizzard Warning
  •  
    Blizzard Warning March 16, 04:49am until March 16, 04:00pm

    NOW until 4:00pm Mon

    Blizzard Warning

  • Overnight

    Low: 26 °F

    Snow and
    Areas Blowing
    Snow

  • Monday

    Monday: Snow, mainly before 1pm. Widespread blowing snow, mainly before 10am. High near 26. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Snow and
    Blowing Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 10. Wind chill values between -5 and 5. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 10 °F

    Blustery.
    Patchy
    Blowing Snow
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. Wind chill values between -5 and 5. Northwest wind around 10 mph.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am. Cloudy, with a low around 20. South wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41. South wind around 10 mph.

    High: 41 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 33. Southwest wind around 5 mph.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 47. Southwest wind around 5 mph becoming northwest in the afternoon.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Overnight
Snow. Areas of blowing snow. Steady temperature around 26. Windy, with a northwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.
Monday
Snow, mainly before 1pm. Widespread blowing snow, mainly before 10am. High near 26. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Patchy blowing snow before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 10. Wind chill values between -5 and 5. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Tuesday
Mostly sunny, with a high near 25. Wind chill values between -5 and 5. Northwest wind around 10 mph.
Tuesday Night
Snow likely, mainly after 1am. Cloudy, with a low around 20. South wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Mostly cloudy, with a high near 41. South wind around 10 mph.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 33. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 47. Southwest wind around 5 mph becoming northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Mostly cloudy, with a high near 50.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 49.
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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:
4:35 am CDT Mar 16, 2026
Forecast Valid:
4am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation