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

72°F

22°C

Humidity 19%
Wind Speed WSW 6 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 20 Apr 04:18 PM MDT
Extended Forecast for

Box Elder MT

  • Tonight

    Tonight: Partly cloudy, with a low around 44. West southwest wind around 6 mph becoming south southeast in the evening.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. South southwest wind around 6 mph becoming light and variable.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. East northeast wind 7 to 10 mph becoming southeast after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 79. South southeast wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain before 3am, then rain, possibly mixed with snow. Some thunder is also possible. Low around 33. Breezy, with a northwest wind 16 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Showers then
    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Rain likely, possibly mixed with snow before 9am, then snow likely between 9am and 3pm, then a chance of rain and snow after 3pm. Mostly cloudy, with a high near 44. Breezy, with a northwest wind 21 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Breezy.
    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 26. North northwest wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 41. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 41 °F

    Chance Snow

  • Friday Night

    Friday Night: A slight chance of snow before midnight. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. West southwest wind around 6 mph becoming south southeast in the evening.
Tuesday
Mostly sunny, with a high near 80. South southwest wind around 6 mph becoming light and variable.
Tuesday Night
Mostly cloudy, with a low around 50. East northeast wind 7 to 10 mph becoming southeast after midnight.
Wednesday
A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 79. South southeast wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Wednesday Night
Rain before 3am, then rain, possibly mixed with snow. Some thunder is also possible. Low around 33. Breezy, with a northwest wind 16 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain likely, possibly mixed with snow before 9am, then snow likely between 9am and 3pm, then a chance of rain and snow after 3pm. Mostly cloudy, with a high near 44. Breezy, with a northwest wind 21 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 26. North northwest wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A chance of snow. Mostly cloudy, with a high near 41. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.
Friday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Box Elder MT
 48.31°N 110°W (Elev. 2690 ft)
Last Update:
4:06 pm MDT Apr 20, 2026
Forecast Valid:
5pm MDT Apr 20, 2026-6pm MDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation