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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

GREENFIELDS (GFMT)

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

NA

37°F

3°C

Humidity 61%
Wind Speed SW 9 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 29 Dec 05:00 PM MST
Extended Forecast for

Sun River MT

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Southwest wind 7 to 11 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 45. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. Southwest wind 8 to 10 mph.

    Low: 28 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 48. South southwest wind 7 to 10 mph.

    High: 48 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Southwest wind around 10 mph.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 51. Southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 51 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. Southwest wind 7 to 11 mph.
Tuesday
Sunny, with a high near 45. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 30. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 48. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 28. Southwest wind 8 to 10 mph.
New Year's Day
Partly sunny, with a high near 48. South southwest wind 7 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 33. Southwest wind around 10 mph.
Friday
Mostly cloudy, with a high near 51. Southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun River MT
 47.54°N 111.72°W (Elev. 3540 ft)
Last Update:
4:07 pm MST Dec 29, 2025
Forecast Valid:
5pm MST Dec 29, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation