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

30°F

-1°C

Humidity 67%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 09 Apr 03:18 AM MDT
Extended Forecast for

4 Miles ESE Big Sandy MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. North northeast wind around 10 mph.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51. North wind 5 to 10 mph becoming light north northwest in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. North wind 5 to 9 mph becoming east southeast after midnight.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 65. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. East southeast wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Partly sunny, with a high near 72. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 42. Northwest wind around 7 mph. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 54. North northwest wind 6 to 10 mph.

    High: 54 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. North northeast wind around 10 mph.
Thursday
Mostly sunny, with a high near 51. North wind 5 to 10 mph becoming light north northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 33. North wind 5 to 9 mph becoming east southeast after midnight.
Friday
Mostly sunny, with a high near 65. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 42. East southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Saturday
A 30 percent chance of showers after noon. Partly sunny, with a high near 72. Light and variable wind becoming west around 6 mph in the afternoon.
Saturday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 42. Northwest wind around 7 mph. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 54. North northwest wind 6 to 10 mph.
Sunday Night
Rain likely. Mostly cloudy, with a low around 36.
Monday
Rain. Cloudy, with a high near 45.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
A slight chance of rain. Partly sunny, with a high near 58.
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:
12:31 am MDT Apr 9, 2026
Forecast Valid:
3am MDT Apr 9, 2026-6pm MDT Apr 15, 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