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

52°F

11°C

Humidity 61%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 18 Jun 09:18 PM MDT
Extended Forecast for

3 Miles SSE Rocky Boy MT

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 66. Calm wind becoming east northeast around 6 mph in the morning.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Southeast wind 6 to 11 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 34 mph.

    Low: 46 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 75. Southeast wind 9 to 16 mph, with gusts as high as 31 mph.

    High: 75 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Southeast wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 64. West northwest wind 8 to 11 mph, with gusts as high as 24 mph.

    High: 64 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then a chance of showers after midnight. Mostly cloudy, with a low around 40. Northwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 59. West northwest wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 59 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Juneteenth
Sunny, with a high near 66. Calm wind becoming east northeast around 6 mph in the morning.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Southeast wind 6 to 11 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 34 mph.
Saturday
Partly sunny, with a high near 75. Southeast wind 9 to 16 mph, with gusts as high as 31 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Southeast wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 50%.
Sunday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 64. West northwest wind 8 to 11 mph, with gusts as high as 24 mph.
Sunday Night
A slight chance of showers and thunderstorms, then a chance of showers after midnight. Mostly cloudy, with a low around 40. Northwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 59. West northwest wind 7 to 11 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Rocky Boy MT
 48.2°N 109.77°W (Elev. 4521 ft)
Last Update:
9:36 pm MDT Jun 18, 2026
Forecast Valid:
9pm MDT Jun 18, 2026-6pm MDT Jun 25, 2026
 
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Additional Resources

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Chance of Precipitation