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

68°F

20°C

Humidity 85%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 63°F (17°C)
Visibility NA
Last update 03 Aug 02:18 PM MDT
Extended Forecast for

2 Miles E Rocky Boy MT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. West wind around 10 mph, with gusts as high as 18 mph.

    High: 80 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms, mainly between 8pm and 9pm. Mostly clear, with a low around 56. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 83. Southeast wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 83 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 53. Southeast wind 5 to 7 mph becoming south southwest after midnight. Chance of precipitation is 90%.

    Low: 53 °F

    Showers

  • Tuesday

    Tuesday: 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 72. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. West wind 5 to 9 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. West wind 6 to 9 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. West wind 5 to 7 mph becoming light and variable.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. West wind around 10 mph, with gusts as high as 18 mph.
Tonight
A 20 percent chance of showers and thunderstorms, mainly between 8pm and 9pm. Mostly clear, with a low around 56. West northwest wind 5 to 8 mph becoming calm in the evening.
Monday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 83. Southeast wind 3 to 7 mph. Chance of precipitation is 40%.
Monday Night
Showers and possibly a thunderstorm. Low around 53. Southeast wind 5 to 7 mph becoming south southwest after midnight. Chance of precipitation is 90%.
Tuesday
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 72. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly clear, with a low around 52. West wind 5 to 9 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 79. West wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 55. West wind 5 to 7 mph becoming light and variable.
Thursday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 68.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 66.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Rocky Boy MT
 48.24°N 109.74°W (Elev. 4193 ft)
Last Update:
2:12 pm MDT Aug 3, 2025
Forecast Valid:
3pm MDT Aug 3, 2025-6pm MDT Aug 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation