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

GREENFIELDS (GFMT)

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

NA

48°F

9°C

Humidity 94%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 May 07:00 AM MDT
Extended Forecast for

Sun River MT

  • Today

    Today: A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 68. West wind around 6 mph becoming north in the afternoon.

    High: 68 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 42. North northwest wind 5 to 7 mph becoming south after midnight.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 83. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 83 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54. West southwest wind 5 to 13 mph becoming southeast in the evening. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 79. West wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. East wind 5 to 9 mph becoming light and variable after midnight.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 68. West wind around 6 mph becoming north in the afternoon.
Tonight
Partly cloudy, with a low around 42. North northwest wind 5 to 7 mph becoming south after midnight.
Sunday
Partly sunny, with a high near 83. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 54. West southwest wind 5 to 13 mph becoming southeast in the evening. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 79. West wind 6 to 14 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 46. Northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 52. East wind 5 to 9 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 79. Breezy.
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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:
7:47 am MDT May 9, 2026
Forecast Valid:
8am MDT May 9, 2026-6pm MDT May 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation