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

72°F

22°C

Humidity 43%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 02 Oct 03:00 PM MDT
Extended Forecast for

Sun River MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 45. West wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. East wind 5 to 7 mph becoming calm in the evening.

    Low: 40 °F

    Partly Cloudy

  • Sunday

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

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. Calm wind becoming southwest 5 to 9 mph after midnight.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 83. South 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 51. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 45. West wind 5 to 11 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 68. Calm wind becoming east 5 to 8 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 40. East wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 78. Calm wind becoming south southeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 49. Calm wind becoming southwest 5 to 9 mph after midnight.
Monday
Mostly sunny, with a high near 83. South 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 51. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 78. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 78.
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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:
12:31 pm MDT Oct 2, 2026
Forecast Valid:
3pm MDT Oct 2, 2026-6pm MDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation