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

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Current conditions at

BUFFALO RAPIDS/TERRY (BRTM)

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

NA

54°F

12°C

Humidity 79%
Wind Speed NE NA MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 24 Sep 10:30 PM MDT
Extended Forecast for

Fallon MT

  • Tonight

    Tonight: Mostly clear, with a low around 54. Southeast wind around 7 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 80. South southeast wind 6 to 16 mph, with gusts as high as 29 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. Southeast wind 7 to 16 mph becoming west southwest after midnight. Winds could gust as high as 33 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 71. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. Light north northeast wind.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 70. Light northeast wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 70 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. East northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers. Mostly cloudy, with a high near 65. North northwest wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 65 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. North northeast wind 3 to 8 mph.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Southeast wind around 7 mph.
Friday
Mostly sunny, with a high near 80. South southeast wind 6 to 16 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 54. Southeast wind 7 to 16 mph becoming west southwest after midnight. Winds could gust as high as 33 mph.
Saturday
Sunny, with a high near 71. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 46. Light north northeast wind.
Sunday
Partly sunny, with a high near 70. Light northeast wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. East northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 65. North northwest wind 5 to 9 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 45. North northeast wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 65. Light west northwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 45. West northwest wind around 6 mph becoming south southwest after midnight.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fallon MT
 46.83°N 105.12°W (Elev. 2231 ft)
Last Update:
3:06 pm MDT Sep 24, 2026
Forecast Valid:
11pm MDT Sep 24, 2026-6pm MDT Oct 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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