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

59°F

15°C

Humidity 86%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 05 Aug 08:18 AM MDT
Extended Forecast for

Box Elder MT

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 78. West wind 6 to 9 mph.

    High: 78 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 55. West northwest wind 5 to 8 mph becoming calm. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. South wind 6 to 8 mph becoming west in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 57. West wind 5 to 7 mph becoming light and variable after midnight.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. West wind 3 to 8 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. West southwest wind 6 to 9 mph. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 70. West southwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 52. West southwest wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 78. West wind 6 to 9 mph.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 55. West northwest wind 5 to 8 mph becoming calm. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 85. South wind 6 to 8 mph becoming west in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 57. West wind 5 to 7 mph becoming light and variable after midnight.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. West wind 3 to 8 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. West southwest wind 6 to 9 mph. Chance of precipitation is 50%.
Friday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 70. West southwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 52. West southwest wind 7 to 14 mph, with gusts as high as 24 mph.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Box Elder MT
 48.31°N 110°W (Elev. 2690 ft)
Last Update:
8:23 am MDT Aug 5, 2025
Forecast Valid:
9am MDT Aug 5, 2025-6pm MDT Aug 11, 2025
 
Forecast Discussion
 
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Additional Resources

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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