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

Bearmouth I-90 MP 145.8 (MTBRM)

Lat: 46.71854°NLon: 113.29534°WElev: 3901.0ft.

NA

66°F

19°C

Humidity 23%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 09 Apr 04:15 PM MDT
Extended Forecast for

Clinton MT

  • Tonight

    Tonight: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Mostly cloudy, with a low around 45. Northeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 68. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance Rain
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 42. West wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 65. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain Likely

  • Monday

    Monday: Rain. Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain before midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Calm wind.
Friday
Mostly sunny, with a high near 72. Calm wind becoming east 5 to 8 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Mostly cloudy, with a low around 45. Northeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 68. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 42. West wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 65. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. Mostly cloudy, with a high near 54.
Monday Night
A chance of rain before midnight. Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
A chance of rain. Snow level 5400 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 37.
Wednesday
Rain and snow likely. Snow level 4600 feet. Mostly cloudy, with a high near 51.
Wednesday Night
Rain and snow likely. Snow level 4600 feet lowering to 3800 feet after midnight . Mostly cloudy, with a low around 30.
Thursday
A chance of snow. Partly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clinton MT
 46.77°N 113.73°W (Elev. 3766 ft)
Last Update:
2:00 pm MDT Apr 9, 2026
Forecast Valid:
4pm MDT Apr 9, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation