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

44°F

7°C

Humidity 63%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 19 Oct 07:18 PM MDT
Extended Forecast for

3 Miles ESE Rocky Boy MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Northeast wind 3 to 5 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Calm wind becoming southeast around 6 mph after midnight.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65. Southeast wind 5 to 7 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. South southeast wind 3 to 7 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Light south wind.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 43. Calm wind becoming east southeast around 5 mph.

    Low: 43 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Rain. Mostly cloudy, with a high near 53. Southwest wind 5 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 53 °F

    Rain

  • Friday Night

    Friday Night: Rain and snow before 3am, then a chance of snow. Cloudy, with a low around 29. Blustery.

    Low: 29 °F

    Rain/Snow and
    Blustery

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. Calm wind.
Tuesday
Mostly sunny, with a high near 57. Northeast wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 36. Calm wind becoming southeast around 6 mph after midnight.
Wednesday
Sunny, with a high near 65. Southeast wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 43. South southeast wind 3 to 7 mph.
Thursday
Sunny, with a high near 69. Light south wind.
Thursday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 43. Calm wind becoming east southeast around 5 mph.
Friday
Rain. Mostly cloudy, with a high near 53. Southwest wind 5 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Rain and snow before 3am, then a chance of snow. Cloudy, with a low around 29. Blustery.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 42.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Rocky Boy MT
 48.24°N 109.74°W (Elev. 4193 ft)
Last Update:
4:41 pm MDT Oct 19, 2026
Forecast Valid:
8pm MDT Oct 19, 2026-6pm MDT Oct 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation