Heavy Snow in the Northern Plains and Upper Midwest; Severe Thunderstorms in the Southern U.S.

In the north-central U.S., a storm will bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest today before moving across the Great Lakes with heavy lake effect snow Wednesday into Thanksgiving Day. Isolated severe thunderstorms are likely across parts of the Southeast/Deep South, mainly from this morning into early evening. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

50°F

10°C

Humidity 89%
Wind Speed W 3 mph
Barometer 29.74 in (1007.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 25 Nov 11:51 am CST
Extended Forecast for

Zion IL

Wind Advisory November 26, 03:00am until November 26, 09:00pm
Click here for hazard details and duration
Wind Advisory
  • Today

    Today: Patchy fog before noon.  Otherwise, cloudy, with a high near 50. West southwest wind around 5 mph.

    High: 50 °F

    Patchy Fog

  • Tonight

    Tonight: Rain showers likely before 5am, then a slight chance of snow showers.  Cloudy, with a low around 35. Breezy, with a west southwest wind 5 to 15 mph increasing to 15 to 25 mph after midnight. Winds could gust as high as 40 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 35 °F

    Showers
    Likely then
    Chance
    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Snow showers likely before 8am, then snow showers likely, possibly mixed with rain between 8am and 10am, then snow showers likely after 10am.  Cloudy, with a temperature falling to around 32 by 4pm. Very windy, with a west wind 25 to 35 mph, with gusts as high as 50 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow
    Likely and
    Very Windy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 45 mph.

    Low: 26 °F

    Mostly Cloudy
    and Windy

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 32. Breezy, with a west northwest wind around 20 mph, with gusts as high as 35 mph.

    High: 32 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow after midnight.  Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow likely.  Cloudy, with a high near 33.

    High: 33 °F

    Snow Likely

Detailed Forecast

Today
Patchy fog before noon. Otherwise, cloudy, with a high near 50. West southwest wind around 5 mph.
Tonight
Rain showers likely before 5am, then a slight chance of snow showers. Cloudy, with a low around 35. Breezy, with a west southwest wind 5 to 15 mph increasing to 15 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
Snow showers likely before 8am, then snow showers likely, possibly mixed with rain between 8am and 10am, then snow showers likely after 10am. Cloudy, with a temperature falling to around 32 by 4pm. Very windy, with a west wind 25 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 26. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 45 mph.
Thanksgiving Day
Partly sunny, with a high near 32. Breezy, with a west northwest wind around 20 mph, with gusts as high as 35 mph.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 31.
Friday Night
A chance of snow after midnight. Mostly cloudy, with a low around 24.
Saturday
Snow likely. Cloudy, with a high near 33.
Saturday Night
Snow likely. Cloudy, with a low around 26.
Sunday
A chance of snow. Partly sunny, with a high near 35.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23.
Monday
A chance of snow. Mostly cloudy, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Zion IL
 42.45°N 87.84°W
10:01 am CST Nov 25, 2025
11am CST Nov 25, 2025-6pm CST Dec 1, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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