National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

ROCKY BOY (ROCM8)

Lat: 48.17478°NLon: 109.64728°WElev: 4700.0ft.

NA

51°F

11°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

13 Miles SE Big Sandy MT

  • Tonight

    Tonight: Mostly clear, with a low around 41. East southeast wind 10 to 15 mph increasing to 16 to 21 mph in the evening. Winds could gust as high as 32 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. East southeast wind 10 to 15 mph becoming light in the afternoon. Winds could gust as high as 23 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. East wind around 6 mph becoming calm after midnight.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. Northwest wind 5 to 8 mph.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Light and variable wind becoming east southeast 5 to 7 mph after midnight.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 62. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. East southeast wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Southeast wind around 6 mph becoming calm in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain, mainly after midnight. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 41. East southeast wind 10 to 15 mph increasing to 16 to 21 mph in the evening. Winds could gust as high as 32 mph.
Monday
Sunny, with a high near 64. East southeast wind 10 to 15 mph becoming light in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Partly cloudy, with a low around 38. East wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 55. Northwest wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 38. Light and variable wind becoming east southeast 5 to 7 mph after midnight.
Wednesday
Sunny, with a high near 62. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 44. East southeast wind 7 to 13 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 67. Southeast wind around 6 mph becoming calm in the afternoon.
Thursday Night
A chance of rain, mainly after midnight. Mostly cloudy, with a low around 44.
Friday
Rain likely. Mostly cloudy, with a high near 50.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SE Big Sandy MT
 48.04°N 109.93°W (Elev. 3497 ft)
Last Update:
12:31 pm MDT Oct 18, 2026
Forecast Valid:
4pm MDT Oct 18, 2026-6pm MDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation