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

80°F

27°C

Humidity 31%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Heat Index79°F (26°C)
Last update 20 Jun 04:18 PM MDT
Extended Forecast for

6 Miles ENE Rocky Boy MT

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 49. Southeast wind 5 to 8 mph becoming light and variable. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 68. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly between 1am and 5am. Mostly cloudy, with a low around 44. North northwest wind 5 to 9 mph becoming light northwest. Winds could gust as high as 18 mph.

    Low: 44 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Partly sunny, with a high near 60. West northwest wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 41. Northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 25 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. Light and variable wind becoming northwest 5 to 7 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Calm wind becoming southeast around 6 mph after midnight.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 75. Southeast wind 5 to 7 mph.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 49. Southeast wind 5 to 8 mph becoming light and variable. Chance of precipitation is 60%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 68. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.
Sunday Night
A 30 percent chance of showers, mainly between 1am and 5am. Mostly cloudy, with a low around 44. North northwest wind 5 to 9 mph becoming light northwest. Winds could gust as high as 18 mph.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 60. West northwest wind 8 to 15 mph, with gusts as high as 26 mph.
Monday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 41. Northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 25 mph.
Tuesday
Mostly sunny, with a high near 67. Light and variable wind becoming northwest 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 45. Calm wind becoming southeast around 6 mph after midnight.
Wednesday
Partly sunny, with a high near 75. Southeast wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 83.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Rocky Boy MT
 48.29°N 109.65°W (Elev. 3885 ft)
Last Update:
3:47 pm MDT Jun 20, 2026
Forecast Valid:
5pm MDT Jun 20, 2026-6pm MDT Jun 27, 2026
 
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Additional Resources

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Chance of Precipitation