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

67°F

19°C

Humidity 43%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 03 Oct 04:00 PM MDT
Extended Forecast for

Fairfield MT

  • Tonight

    Tonight: Partly cloudy, with a low around 39. East southeast wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 75. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. Light and variable wind becoming southwest 5 to 8 mph in the evening.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 79. Southwest wind 9 to 18 mph, with gusts as high as 30 mph.

    High: 79 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 74. West southwest wind around 7 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. West wind around 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. Southwest wind 3 to 6 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. East southeast wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 75. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 49. Light and variable wind becoming southwest 5 to 8 mph in the evening.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 79. Southwest wind 9 to 18 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 50. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 74. West southwest wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 46. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 73. Southwest wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 72.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 42.
Saturday
A chance of rain. Partly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfield MT
 47.61°N 111.98°W (Elev. 3963 ft)
Last Update:
12:31 pm MDT Oct 3, 2026
Forecast Valid:
4pm MDT Oct 3, 2026-6pm MDT Oct 10, 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