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

29°F

-2°C

Humidity 76%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 18 Apr 04:18 AM MDT
Extended Forecast for

4 Miles ESE Big Sandy MT

  • Today

    Today: Sunny, with a high near 57. South wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. West northwest wind around 7 mph becoming east southeast in the evening.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Southeast wind around 7 mph becoming south southwest in the afternoon.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. South southwest wind around 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 73. South southwest wind around 5 mph becoming light and variable in the morning.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Southwest wind 5 to 8 mph becoming southeast in the evening.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. South southeast wind around 6 mph becoming southwest in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. South wind 6 to 8 mph becoming east in the evening.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain after noon. Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 57. South wind 5 to 8 mph becoming west northwest in the afternoon.
Tonight
Mostly clear, with a low around 30. West northwest wind around 7 mph becoming east southeast in the evening.
Sunday
Sunny, with a high near 66. Southeast wind around 7 mph becoming south southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 39. South southwest wind around 7 mph.
Monday
Sunny, with a high near 73. South southwest wind around 5 mph becoming light and variable in the morning.
Monday Night
Mostly clear, with a low around 45. Southwest wind 5 to 8 mph becoming southeast in the evening.
Tuesday
Mostly sunny, with a high near 81. South southeast wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 51. South wind 6 to 8 mph becoming east in the evening.
Wednesday
A chance of rain after noon. Partly sunny, with a high near 71.
Wednesday Night
Rain showers likely before midnight, then rain between midnight and 3am, then rain and snow after 3am. Some thunder is also possible. Mostly cloudy, with a low around 34.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 45.
Thursday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 27.
Friday
A slight chance of snow. Partly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Big Sandy MT
 48.16°N 110.04°W (Elev. 2825 ft)
Last Update:
3:47 am MDT Apr 18, 2026
Forecast Valid:
4am MDT Apr 18, 2026-6pm MDT Apr 24, 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