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

55°F

13°C

Humidity 81%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 29 Jun 01:18 PM MDT
Extended Forecast for

Box Elder MT

  • This Afternoon

    This Afternoon: Showers, mainly before 5pm. High near 61. North northeast wind around 8 mph becoming northwest. Chance of precipitation is 90%.

    High: 61 °F

    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 49. Southwest wind 7 to 10 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 74. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. West wind 5 to 7 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. West southwest wind 6 to 8 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. West wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77. West southwest wind around 6 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. West southwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers, mainly before 5pm. High near 61. North northeast wind around 8 mph becoming northwest. Chance of precipitation is 90%.
Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 49. Southwest wind 7 to 10 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 74. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 50. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 76. West southwest wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 51. West wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 77. West southwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 52. West southwest wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 78.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Independence Day
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 84.
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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:
12:31 pm MDT Jun 29, 2026
Forecast Valid:
1pm MDT Jun 29, 2026-6pm MDT Jul 5, 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