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 18%
Wind Speed SE 5 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Last update 27 Mar 07:18 PM MDT
Extended Forecast for

4 Miles NW Rocky Boy MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. South wind 6 to 9 mph.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 55. Light and variable wind becoming west 5 to 8 mph in the afternoon.

    High: 55 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. Northeast wind 6 to 8 mph.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 49. North northeast wind 5 to 7 mph.

    High: 49 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 36. East southeast wind around 8 mph. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Monday

    Monday: A chance of rain and snow, mainly before noon. Mostly cloudy, with a high near 47. West southwest wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20. North northwest wind 6 to 16 mph, with gusts as high as 23 mph.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. North wind 6 to 9 mph becoming south southeast in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. South wind 6 to 9 mph.
Saturday
Partly sunny, with a high near 55. Light and variable wind becoming west 5 to 8 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 31. Northeast wind 6 to 8 mph.
Sunday
Mostly cloudy, with a high near 49. North northeast wind 5 to 7 mph.
Sunday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 36. East southeast wind around 8 mph. Chance of precipitation is 60%.
Monday
A chance of rain and snow, mainly before noon. Mostly cloudy, with a high near 47. West southwest wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, with a low around 20. North northwest wind 6 to 16 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 41. North wind 6 to 9 mph becoming south southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Thursday
A chance of rain. Mostly cloudy, with a high near 49.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Friday
A chance of snow. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Rocky Boy MT
 48.3°N 109.88°W (Elev. 3202 ft)
Last Update:
12:31 pm MDT Mar 27, 2026
Forecast Valid:
8pm MDT Mar 27, 2026-6pm MDT Apr 3, 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