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

38°F

3°C

Humidity 88%
Wind Speed ESE 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 29 Mar 07:18 PM MDT
Extended Forecast for

4 Miles ESE Big Sandy MT

  • Tonight

    Tonight: Rain likely, mainly before 3am. Cloudy, with a low around 35. Southeast wind 6 to 8 mph. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

  • Monday

    Monday: A slight chance of rain, mixing with snow after 10am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 41. South wind 7 to 12 mph becoming west 16 to 21 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. North northwest wind 13 to 18 mph becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Southeast wind 5 to 15 mph, with gusts as high as 26 mph.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. East southeast wind 11 to 20 mph, with gusts as high as 37 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. East southeast wind around 8 mph.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37. East southeast wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Chance Rain

  • Thursday

    Thursday: Rain. Cloudy, with a high near 49. East southeast wind 9 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 49 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then snow likely after midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Rain/Snow
    Likely then
    Snow Likely

Detailed Forecast

Tonight
Rain likely, mainly before 3am. Cloudy, with a low around 35. Southeast wind 6 to 8 mph. Chance of precipitation is 70%.
Monday
A slight chance of rain, mixing with snow after 10am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 41. South wind 7 to 12 mph becoming west 16 to 21 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 15. North northwest wind 13 to 18 mph becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Tuesday
Partly sunny, with a high near 42. Southeast wind 5 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 26. East southeast wind 11 to 20 mph, with gusts as high as 37 mph.
Wednesday
Partly sunny, with a high near 55. East southeast wind around 8 mph.
Wednesday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37. East southeast wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday
Rain. Cloudy, with a high near 49. East southeast wind 9 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then snow likely after midnight. Mostly cloudy, with a low around 27.
Friday
A chance of snow. Mostly cloudy, with a high near 36.
Friday Night
A chance of snow. Mostly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 52.
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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:
6:22 pm MDT Mar 29, 2026
Forecast Valid:
7pm MDT Mar 29, 2026-6pm MDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation