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SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.

Current conditions at

GREENFIELDS (GFMT)

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

48°F

9°C

Humidity	96%
Wind Speed	WNW 5 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Wind Chill	46°F (8°C)
Last update	12 Jun 11:00 PM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Sun River MT

Overnight
Low: 41 °F
Chance
Showers
Saturday
High: 64 °F
Slight Chance
Showers then
Slight Chance
T-storms
Saturday Night
Low: 39 °F
Mostly Cloudy
Sunday
High: 72 °F
Increasing
Clouds
Sunday Night
Low: 44 °F
Mostly Clear
Monday
High: 81 °F
Mostly Sunny
Monday Night
Low: 55 °F
Mostly Cloudy
Tuesday
High: 86 °F
Partly Sunny
then Mostly
Sunny and
Breezy
Tuesday Night
Low: 51 °F
Mostly Clear
and Breezy
then Slight
Chance
Showers

Detailed Forecast

Overnight

A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 41. North wind around 9 mph. Chance of precipitation is 30%.

Saturday

A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 4pm. Partly sunny, with a high near 64. North northwest wind 8 to 10 mph. Chance of precipitation is 20%.

Saturday Night

Mostly cloudy, with a low around 39. North northeast wind 5 to 9 mph becoming calm in the evening.

Sunday

Increasing clouds, with a high near 72. Light and variable wind.

Sunday Night

Mostly clear, with a low around 44. East wind around 6 mph becoming calm.

Monday

Mostly sunny, with a high near 81. West southwest wind 3 to 6 mph.

Monday Night

Mostly cloudy, with a low around 55. West northwest wind 5 to 9 mph becoming southwest in the evening.

Tuesday

Mostly sunny, with a high near 86. Breezy, with a southwest wind 10 to 15 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph.

Tuesday Night

A slight chance of showers after midnight. Partly cloudy, with a low around 51. Breezy.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 72.

Wednesday Night

A slight chance of showers. Partly cloudy, with a low around 45.

Thursday

Sunny, with a high near 76.

Thursday Night

Partly cloudy, with a low around 47.

Juneteenth

Mostly sunny, with a high near 79.