Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Marion Municipal Airport (KMZZ)

Lat: 40.49°NLon: 85.68°WElev: 860ft.

Fog/Mist

45°F

7°C

Humidity 92%
Wind Speed SE 10 mph
Barometer 29.89 in
Dewpoint 43°F (6°C)
Visibility 5.00 mi
Wind Chill40°F (4°C)
Last update 27 Dec 11:55 pm EST
Extended Forecast for

Swayzee IN

Wind Advisory December 29, 01:00am until December 29, 07:00pm
Dense Fog Advisory until December 28, 10:00am
Click here for hazard details and duration
Wind Advisory
Dense Fog Advisory
  •  
    Dense Fog Advisory until December 28, 10:00am

    NOW until 10:00am Sun

    Dense Fog Advisory

  • Overnight

    Low: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Rain likely, then rain and possibly a thunderstorm after 1pm.  Patchy fog before 11am. High near 63. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain before midnight, then rain and snow between midnight and 1am, then a chance of snow after 1am. Some thunder is also possible.  Low around 17. Windy, with a west wind 20 to 30 mph, with gusts as high as 45 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Rain and
    Breezy then
    Rain/Snow and
    Windy

  • Monday

    Monday: A 40 percent chance of snow.  Mostly cloudy, with a high near 25. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 25 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. Breezy, with a west wind 15 to 25 mph, with gusts as high as 30 mph.

    Low: 15 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of rain, mainly after 3am. Patchy fog after 1am. Otherwise, cloudy, with a temperature rising to around 55 by 5am. South wind around 10 mph.
Sunday
Rain likely, then rain and possibly a thunderstorm after 1pm. Patchy fog before 11am. High near 63. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain before midnight, then rain and snow between midnight and 1am, then a chance of snow after 1am. Some thunder is also possible. Low around 17. Windy, with a west wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 25. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.
Monday Night
Mostly cloudy, with a low around 15. Breezy, with a west wind 15 to 25 mph, with gusts as high as 30 mph.
Tuesday
Partly sunny, with a high near 24.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Mostly cloudy, with a high near 33.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
New Year's Day
Mostly cloudy, with a high near 27.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 26.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
Swayzee IN
 40.5°N 85.83°W (Elev. 846 ft)
12:01 am EST Dec 28, 2025
12am EST Dec 28, 2025-6pm EST Jan 3, 2026
 
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Additional Resources

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