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 53%
Wind Speed ENE 5 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 12 Apr 06:18 PM MDT
Extended Forecast for

4 Miles ESE Big Sandy MT

  • Tonight

    Tonight: A chance of showers between 9pm and midnight, then rain likely after midnight. Mostly cloudy, with a low around 41. North northeast wind 6 to 9 mph becoming east after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 8am. Mostly cloudy, with a high near 56. East southeast wind 5 to 7 mph becoming west northwest in the afternoon. Chance of precipitation is 70%.

    High: 56 °F

    Rain Likely

  • Monday Night

    Monday Night: A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 39. South southwest wind 7 to 10 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 24 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 58. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 58 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely before midnight, then rain and snow likely. Mostly cloudy, with a low around 27. West wind 11 to 13 mph becoming north northwest in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 37. Northwest wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 37 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers between 9pm and midnight, then rain likely after midnight. Mostly cloudy, with a low around 41. North northeast wind 6 to 9 mph becoming east after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 56. East southeast wind 5 to 7 mph becoming west northwest in the afternoon. Chance of precipitation is 70%.
Monday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 39. South southwest wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 60. West southwest wind 9 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 41. Southwest wind 7 to 15 mph, with gusts as high as 24 mph.
Wednesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 58. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Rain likely before midnight, then rain and snow likely. Mostly cloudy, with a low around 27. West wind 11 to 13 mph becoming north northwest in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow. Mostly cloudy, with a high near 37. Northwest wind 13 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
A slight chance of snow after noon. Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 26.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 61.
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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:
5:27 pm MDT Apr 12, 2026
Forecast Valid:
6pm MDT Apr 12, 2026-6pm MDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation