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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

GREENFIELDS (GFMT)

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

NA

64°F

18°C

Humidity 48%
Wind Speed ESE 4 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 03 Oct 01:00 PM MDT
Extended Forecast for

Sun River MT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 68. East wind 5 to 8 mph.

    High: 68 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 39. East wind 5 to 8 mph becoming calm in the evening.

    Low: 39 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 78. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. East southeast wind 5 to 8 mph becoming southwest after midnight.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 83. Southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. Southwest wind 5 to 8 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 68. East wind 5 to 8 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 39. East wind 5 to 8 mph becoming calm in the evening.
Sunday
Sunny, with a high near 78. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 49. East southeast wind 5 to 8 mph becoming southwest after midnight.
Monday
Mostly sunny, with a high near 83. Southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Partly cloudy, with a low around 50. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 78. Southwest wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 75. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun River MT
 47.52°N 111.72°W (Elev. 3461 ft)
Last Update:
12:31 pm MDT Oct 3, 2026
Forecast Valid:
1pm MDT Oct 3, 2026-6pm MDT Oct 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation