Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

NA

44°F

7°C

Humidity 80%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 01 Oct 02:18 AM MDT
Extended Forecast for

Box Elder MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. South wind 3 to 5 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 73. South wind 5 to 10 mph becoming west southwest 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 73 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. West southwest wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 22 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Calm wind becoming southwest around 6 mph in the morning.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 47. West wind around 5 mph becoming light and variable  in the evening.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain.  Mostly cloudy, with a high near 65. Light and variable wind becoming northwest 5 to 7 mph in the morning.

    High: 65 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. West wind around 7 mph becoming south southwest in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain after noon.  Partly sunny, with a high near 62. Southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 62 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain, mainly after midnight.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. South wind 3 to 5 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 73. South wind 5 to 10 mph becoming west southwest 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 44. West southwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Thursday
Mostly sunny, with a high near 72. Calm wind becoming southwest around 6 mph in the morning.
Thursday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 47. West wind around 5 mph becoming light and variable in the evening.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 65. Light and variable wind becoming northwest 5 to 7 mph in the morning.
Friday Night
Mostly cloudy, with a low around 43. West wind around 7 mph becoming south southwest in the evening.
Saturday
A slight chance of rain after noon. Partly sunny, with a high near 62. Southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of rain, mainly after midnight. Mostly cloudy, with a low around 34.
Sunday
A chance of rain, mainly before noon. Partly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 63.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Box Elder MT
 48.31°N 110°W (Elev. 2690 ft)
2:09 am MDT Oct 1, 2025
3am MDT Oct 1, 2025-6pm MDT Oct 7, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database