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

43°F

6°C

Humidity 50%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 30 Apr 09:18 PM MDT
Extended Forecast for

4 Miles ESE Big Sandy MT

  • Tonight

    Tonight: Mostly clear, with a low around 37. South southeast wind around 5 mph.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. South wind around 6 mph becoming west southwest in the afternoon.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. West southwest wind around 6 mph becoming east after midnight.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 67. North wind around 6 mph.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 43. North northeast wind 5 to 7 mph becoming east after midnight.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 71. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 65. North wind 5 to 8 mph.

    High: 65 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 37. South southeast wind around 5 mph.
Friday
Sunny, with a high near 73. South wind around 6 mph becoming west southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 42. West southwest wind around 6 mph becoming east after midnight.
Saturday
Partly sunny, with a high near 67. North wind around 6 mph.
Saturday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 43. North northeast wind 5 to 7 mph becoming east after midnight.
Sunday
Mostly sunny, with a high near 71. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 43. Northwest wind 5 to 9 mph becoming calm after midnight.
Monday
Partly sunny, with a high near 65. North wind 5 to 8 mph.
Monday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain, mainly before noon. Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 74.
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:
4:37 pm MDT Apr 30, 2026
Forecast Valid:
10pm MDT Apr 30, 2026-6pm MDT May 7, 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