National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

SHENANGO (SGOM8)

Lat: 45.45964°NLon: 111.24447°WElev: 5391.0ft.

NA

4°F

-16°C

Humidity 71%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint -3°F (-19°C)
Visibility NA
Wind Chill-4°F (-20°C)
Last update 28 Dec 09:39 AM MST
Extended Forecast for

4 Miles SSW Gallatin Gateway MT

  • Today

    Today: Sunny, with a high near 20. Wind chill values as low as -5. Southwest wind around 6 mph becoming northwest in the afternoon.

    High: 20 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a temperature rising to around 17 by 4am. South wind around 8 mph.

    Low: 13 °F⇑

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 36. South wind 6 to 8 mph becoming west northwest in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 23. South wind around 7 mph.

    Low: 23 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. South wind around 6 mph.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. South wind 6 to 8 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. South southwest wind around 7 mph.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. South wind around 9 mph.

    Low: 31 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 20. Wind chill values as low as -5. Southwest wind around 6 mph becoming northwest in the afternoon.
Tonight
Mostly clear, with a temperature rising to around 17 by 4am. South wind around 8 mph.
Monday
Mostly sunny, with a high near 36. South wind 6 to 8 mph becoming west northwest in the afternoon.
Monday Night
Increasing clouds, with a low around 23. South wind around 7 mph.
Tuesday
Partly sunny, with a high near 45. South wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 28. South wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 50. South southwest wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 31. South wind around 9 mph.
New Year's Day
Partly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 49.
Friday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 27.
Saturday
A chance of snow. Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Gallatin Gateway MT
 45.54°N 111.24°W (Elev. 5197 ft)
Last Update:
9:56 am MST Dec 28, 2025
Forecast Valid:
10am MST Dec 28, 2025-6pm MST Jan 3, 2026
 
Forecast Discussion
 
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