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

GREENFIELDS (GFMT)

Lat: 47.65833°NLon: 111.8125°WElev: 3820.0ft.

NA

9°F

-13°C

Humidity 68%
Wind Speed SW 12 MPH
Barometer NA
Dewpoint 1°F (-17°C)
Visibility NA
Wind Chill-6°F (-21°C)
Last update 28 Dec 09:00 AM MST
Extended Forecast for

Fort Shaw MT

  • Today

    Today: Sunny, with a high near 27. Wind chill values as low as -5. Southwest wind 9 to 15 mph, with gusts as high as 21 mph.

    High: 27 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 19. Southwest wind 14 to 16 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. Southwest wind 15 to 20 mph, with gusts as high as 28 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. Southwest wind 9 to 14 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Southwest wind around 11 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. Southwest wind around 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 27. Wind chill values as low as -5. Southwest wind 9 to 15 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 19. Southwest wind 14 to 16 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 39. Southwest wind 15 to 20 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 25. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 46. Southwest wind 9 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Southwest wind around 11 mph.
Wednesday
Partly sunny, with a high near 51. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 31. Southwest wind around 10 mph.
New Year's Day
Partly sunny, with a high near 50.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Shaw MT
 47.51°N 111.81°W (Elev. 3599 ft)
Last Update:
3:27 am MST Dec 28, 2025
Forecast Valid:
10am MST Dec 28, 2025-6pm MST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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