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

BUFFALO RAPIDS/TERRY (BRTM)

Lat: 46.77806°NLon: 105.29944°WElev: 2270.0ft.

NA

66°F

19°C

Humidity 34%
Wind Speed NNW 9 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 03 Oct 03:30 PM MDT
Extended Forecast for

Fallon MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. North northwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 75. Calm wind becoming east 5 to 9 mph in the morning.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. East wind 3 to 7 mph.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. West southwest wind 3 to 6 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. West wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. North northwest wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. Calm wind becoming north around 6 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Light northeast wind.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 75. Calm wind becoming east 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 45. East wind 3 to 7 mph.
Monday
Sunny, with a high near 85. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
Mostly clear, with a low around 50. West southwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 76. West wind 5 to 9 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 43. North northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 74. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 43. Light northeast wind.
Thursday
Mostly sunny, with a high near 71. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 44. Light northeast wind.
Friday
Sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fallon MT
 46.85°N 105.12°W (Elev. 2175 ft)
Last Update:
3:50 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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High Temperature

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Chance of Precipitation