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

58°F

14°C

Humidity 33%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 20 Apr 09:18 AM MDT
Extended Forecast for

3 Miles ESE Rocky Boy MT

  • Today

    Today: Sunny, with a high near 70. West wind 5 to 8 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. West southwest wind 5 to 8 mph becoming south southeast in the evening.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. South southwest wind 5 to 8 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. Southeast wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers after noon. Partly sunny, with a high near 72. South southeast wind 8 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain before midnight, then rain, possibly mixed with snow between midnight and 3am, then snow after 3am. Low around 30. Windy, with a northwest wind 17 to 22 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 30 °F

    Showers and
    Blustery then
    Rain/Snow and
    Windy

  • Thursday

    Thursday: Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 39. Windy, with a northwest wind 23 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

    High: 39 °F

    Heavy Snow
    and Windy

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 15 to 23 mph, with gusts as high as 37 mph.

    Low: 23 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 70. West wind 5 to 8 mph.
Tonight
Partly cloudy, with a low around 47. West southwest wind 5 to 8 mph becoming south southeast in the evening.
Tuesday
Mostly sunny, with a high near 78. South southwest wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 53. Southeast wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday
A 50 percent chance of showers after noon. Partly sunny, with a high near 72. South southeast wind 8 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Rain before midnight, then rain, possibly mixed with snow between midnight and 3am, then snow after 3am. Low around 30. Windy, with a northwest wind 17 to 22 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Thursday
Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 39. Windy, with a northwest wind 23 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 15 to 23 mph, with gusts as high as 37 mph.
Friday
A chance of snow. Mostly cloudy, with a high near 36.
Friday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 20.
Saturday
A slight chance of snow. Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 42.
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:
9:31 am MDT Apr 20, 2026
Forecast Valid:
10am MDT Apr 20, 2026-6pm MDT Apr 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