Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

2°F

-17°C

Humidity 49%
Wind Speed W 3 mph
Barometer 30.53 in (1037.6 mb)
Dewpoint -13°F (-25°C)
Visibility 10.00 mi
Last update 24 Jan 4:51 pm CST
Extended Forecast for

Winthrop Harbor IL

Winter Weather Advisory January 25, 06:00am until January 25, 03:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: Snow likely, mainly after 5am.  Cloudy, with a low around 4. Wind chill values between -5 and zero. Northwest wind 5 to 10 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 4 °F

    Snow Likely

  • Sunday

    Sunday: Snow likely, mainly before 2pm.  Cloudy, with a high near 18. Wind chill values between -10 and zero. North wind 10 to 15 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 18 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -2. Wind chill values between -10 and -20. Northwest wind around 15 mph.

    Low: -2 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 11. Wind chill values between -10 and -20. West wind 10 to 15 mph.

    High: 11 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 4. Southwest wind 10 to 15 mph.

    Low: 4 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 17. Northwest wind 10 to 15 mph.

    High: 17 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 1. West wind around 10 mph.

    Low: 1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon.  Mostly cloudy, with a high near 13. West wind around 10 mph.

    High: 13 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 2.

    Low: 2 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Snow likely, mainly after 5am. Cloudy, with a low around 4. Wind chill values between -5 and zero. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly before 2pm. Cloudy, with a high near 18. Wind chill values between -10 and zero. North wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Partly cloudy, with a low around -2. Wind chill values between -10 and -20. Northwest wind around 15 mph.
Monday
Sunny, with a high near 11. Wind chill values between -10 and -20. West wind 10 to 15 mph.
Monday Night
Mostly cloudy, with a low around 4. Southwest wind 10 to 15 mph.
Tuesday
Partly sunny, with a high near 17. Northwest wind 10 to 15 mph.
Tuesday Night
Partly cloudy, with a low around 1. West wind around 10 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 13. West wind around 10 mph.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 2.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 15.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 4.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 18.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Mostly sunny, with a high near 22.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.49°N 87.81°W (Elev. 600 ft)
5:22 pm CST Jan 24, 2026
5pm CST Jan 24, 2026-6pm CST Jan 31, 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