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

26°F

-3°C

Humidity 83%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 17 Apr 11:18 PM MDT
Extended Forecast for

4 Miles ESE Big Sandy MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 26. Light and variable wind.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 57. South wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. West northwest wind around 7 mph becoming east southeast in the evening.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Southeast wind around 7 mph becoming south southwest in the afternoon.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. South southwest wind around 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 73. South southwest wind around 5 mph becoming light and variable in the morning.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Southwest wind 5 to 8 mph becoming southeast in the evening.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. South southeast wind around 6 mph becoming southwest in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 26. Light and variable wind.
Saturday
Sunny, with a high near 57. South wind 5 to 8 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 30. West northwest wind around 7 mph becoming east southeast in the evening.
Sunday
Sunny, with a high near 66. Southeast wind around 7 mph becoming south southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 39. South southwest wind around 7 mph.
Monday
Sunny, with a high near 73. South southwest wind around 5 mph becoming light and variable in the morning.
Monday Night
Mostly clear, with a low around 45. Southwest wind 5 to 8 mph becoming southeast in the evening.
Tuesday
Mostly sunny, with a high near 81. South southeast wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
A chance of rain after noon. Partly sunny, with a high near 71.
Wednesday Night
Rain and snow. Some thunder is also possible. Mostly cloudy, with a low around 34.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 45.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Big Sandy MT
 48.16°N 110.04°W (Elev. 2825 ft)
Last Update:
11:06 pm MDT Apr 17, 2026
Forecast Valid:
12am MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation