Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

1°F

-17°C

Humidity 56%
Wind Speed W 15 G 25 mph
Barometer 30.16 in (1024.0 mb)
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Wind Chill-18°F (-28°C)
Last update 19 Jan 10:51 am CST
Extended Forecast for

Winthrop Harbor IL

Winter Weather Advisory January 19, 11:25am until January 19, 12:00pm
Cold Weather Advisory January 19, 11:25am until January 19, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
Cold Weather Advisory
  •  
    Winter Weather Advisory January 19, 11:25am until January 19, 12:00pm
    Cold Weather Advisory January 19, 11:25am until January 19, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • M.L.King Day

    High: 7 °F

    Areas Blowing
    Snow and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 1. Wind chill values between -10 and -15. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 1 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 19. Wind chill values between -5 and -15. West wind 5 to 15 mph.

    High: 19 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Snow, mainly after midnight.  Temperature rising to around 22 by 5am. South wind 5 to 10 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 16 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before noon.  Partly sunny, with a high near 27. West wind 10 to 15 mph.

    High: 27 °F

    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 9. West wind 10 to 15 mph.

    Low: 9 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 18. West wind 10 to 15 mph.

    High: 18 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around -2. West wind around 10 mph.

    Low: -2 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

M.L.King Day
Areas of blowing snow before 4pm. Mostly sunny and cold, with a high near 7. Wind chill values between -10 and -15. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Tonight
Partly cloudy, with a low around 1. Wind chill values between -10 and -15. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 19. Wind chill values between -5 and -15. West wind 5 to 15 mph.
Tuesday Night
Snow, mainly after midnight. Temperature rising to around 22 by 5am. South wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A 30 percent chance of snow before noon. Partly sunny, with a high near 27. West wind 10 to 15 mph.
Wednesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 9. West wind 10 to 15 mph.
Thursday
Mostly sunny, with a high near 18. West wind 10 to 15 mph.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -2. West wind around 10 mph.
Friday
A 20 percent chance of snow after noon. Partly sunny and cold, with a high near 4.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around -10.
Saturday
Mostly sunny and cold, with a high near 6.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -2.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 14.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.49°N 87.81°W (Elev. 600 ft)
11:13 am CST Jan 19, 2026
11am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database