Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

BUFFALO RAPIDS/TERRY (BRTM)

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

NA

43°F

6°C

Humidity 79%
Wind Speed WNW NA MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 12 Oct 12:30 PM MDT
Extended Forecast for

Fallon MT

  • Columbus Day

    Columbus Day: Mostly cloudy, with a high near 47. Northwest wind around 9 mph, with gusts as high as 18 mph.

    High: 47 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 9pm.  Otherwise, cloudy, with a low around 32. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 32 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 54. Calm wind becoming west around 6 mph in the afternoon.

    High: 54 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. Light west northwest wind.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. Calm wind becoming west northwest around 5 mph after midnight.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58. Northwest wind 7 to 16 mph, with gusts as high as 30 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Northwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 22 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. South southeast wind 5 to 13 mph, with gusts as high as 24 mph.

    High: 64 °F

    Sunny

Detailed Forecast

Columbus Day
Mostly cloudy, with a high near 47. Northwest wind around 9 mph, with gusts as high as 18 mph.
Tonight
Patchy fog after 9pm. Otherwise, cloudy, with a low around 32. North northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 54. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 30. Light west northwest wind.
Wednesday
Mostly sunny, with a high near 60. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 37. Calm wind becoming west northwest around 5 mph after midnight.
Thursday
Sunny, with a high near 58. Northwest wind 7 to 16 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 29. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Friday
Sunny, with a high near 64. South southeast wind 5 to 13 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 37. South wind 6 to 11 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 74. Southwest wind 6 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Fallon MT
 46.83°N 105.12°W (Elev. 2231 ft)
12:35 pm MDT Oct 12, 2026
1pm MDT Oct 12, 2026-6pm MDT Oct 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database