Current conditions at

ROCKY BOY (RCBM8)

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

NA

32°F

0°C

Humidity 55%
Wind Speed W 9 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 08 Apr 11:18 AM MDT
Extended Forecast for

Big Sandy MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 49. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 29. Light and variable wind becoming east around 6 mph in the evening.

    Low: 29 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 53. North wind 3 to 5 mph.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Light and variable wind becoming east southeast 5 to 7 mph in the evening.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67. Southeast wind 6 to 10 mph.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. East southeast wind 6 to 9 mph.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after noon.  Partly sunny, with a high near 74. Calm wind becoming west around 6 mph in the afternoon.

    High: 74 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 42. East northeast wind around 6 mph becoming west southwest after midnight.

    Low: 42 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 49. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 29. Light and variable wind becoming east around 6 mph in the evening.
Thursday
Mostly sunny, with a high near 53. North wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 31. Light and variable wind becoming east southeast 5 to 7 mph in the evening.
Friday
Sunny, with a high near 67. Southeast wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 40. East southeast wind 6 to 9 mph.
Saturday
A 20 percent chance of rain after noon. Partly sunny, with a high near 74. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 42. East northeast wind around 6 mph becoming west southwest after midnight.
Sunday
A chance of rain. Mostly cloudy, with a high near 62.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 31.
Monday
Rain and snow likely. Mostly cloudy, with a high near 46.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 27.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Sandy MT
 48.16°N 110.1°W (Elev. 2717 ft)
10:42 am MDT Apr 8, 2026
12pm MDT Apr 8, 2026-6pm MDT Apr 14, 2026
 
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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