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

51°F

11°C

Humidity 59%
Wind Speed SW 11 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 12 Apr 01:18 AM MDT
Extended Forecast for

4 Miles ESE Big Sandy MT

  • Overnight

    Overnight: A 20 percent chance of showers before 3am. Mostly cloudy, with a low around 41. Southwest wind 6 to 8 mph.

    Low: 41 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 57. Southwest wind 6 to 9 mph becoming north northeast in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Rain, mainly after 10pm. Low around 40. North northeast wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Monday

    Monday: Rain. High near 54. East northeast wind around 6 mph becoming west in the afternoon. Chance of precipitation is 80%.

    High: 54 °F

    Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain before midnight. Partly cloudy, with a low around 39. West southwest wind 7 to 9 mph.

    Low: 39 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. West southwest wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. West wind 7 to 15 mph, with gusts as high as 24 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain after noon. Mostly cloudy, with a high near 58. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 58 °F

    Cloudy then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Rain Likely
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
A 20 percent chance of showers before 3am. Mostly cloudy, with a low around 41. Southwest wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 57. Southwest wind 6 to 9 mph becoming north northeast in the afternoon.
Sunday Night
Rain, mainly after 10pm. Low around 40. North northeast wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 54. East northeast wind around 6 mph becoming west in the afternoon. Chance of precipitation is 80%.
Monday Night
A 40 percent chance of rain before midnight. Partly cloudy, with a low around 39. West southwest wind 7 to 9 mph.
Tuesday
Mostly sunny, with a high near 60. West southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 41. West wind 7 to 15 mph, with gusts as high as 24 mph.
Wednesday
A chance of rain after noon. Mostly cloudy, with a high near 58. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Rain likely before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 29.
Thursday
A chance of snow. Mostly cloudy, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
A slight chance of snow. Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 53.
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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:
12:32 am MDT Apr 12, 2026
Forecast Valid:
1am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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