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

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

NA

50°F

10°C

Humidity 93%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 06 Aug 03:18 AM MDT
Extended Forecast for

4 Miles NW Rocky Boy MT

  • Today

    Today: Widespread haze between noon and 1pm. Increasing clouds, with a high near 85. South wind 6 to 9 mph becoming west in the afternoon.

    High: 85 °F

    Sunny then
    Haze

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 2am and 5am. Mostly cloudy, with a low around 58. West wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 52. West southwest wind around 8 mph. Chance of precipitation is 60%.

    Low: 52 °F

    T-storms
    Likely then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 70. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. West wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Partly sunny, with a high near 73. West wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 73 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Widespread haze between noon and 1pm. Increasing clouds, with a high near 85. South wind 6 to 9 mph becoming west in the afternoon.
Tonight
Showers and thunderstorms likely, mainly between 2am and 5am. Mostly cloudy, with a low around 58. West wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 40%.
Thursday Night
Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 52. West southwest wind around 8 mph. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 70. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. West wind 10 to 14 mph, with gusts as high as 24 mph.
Saturday
A 20 percent chance of showers after noon. Partly sunny, with a high near 73. West wind 10 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 54. Northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Rocky Boy MT
 48.3°N 109.88°W (Elev. 3202 ft)
Last Update:
2:16 am MDT Aug 6, 2025
Forecast Valid:
4am MDT Aug 6, 2025-6pm MDT Aug 12, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation