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

53°F

12°C

Humidity 83%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 05 Jul 02:18 AM MDT
Extended Forecast for

3 Miles NNW Rocky Boy MT

  • Overnight

    Overnight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Calm wind becoming west around 5 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. Light and variable wind becoming northeast 5 to 7 mph after midnight.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. East northeast wind 5 to 7 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 57. East southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    Low: 57 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 76. East southeast wind 3 to 5 mph. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 55. Southeast wind around 6 mph.

    Low: 55 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 58. Calm wind.
Sunday
Sunny, with a high near 81. Calm wind becoming west around 5 mph.
Sunday Night
Partly cloudy, with a low around 53. Light and variable wind becoming northeast 5 to 7 mph after midnight.
Monday
Mostly sunny, with a high near 77. East northeast wind 5 to 7 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 57. East southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Tuesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 76. East southeast wind 3 to 5 mph. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 55. Southeast wind around 6 mph.
Wednesday
Sunny, with a high near 86. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Rocky Boy MT
 48.3°N 109.81°W (Elev. 3458 ft)
Last Update:
12:31 am MDT Jul 5, 2026
Forecast Valid:
3am MDT Jul 5, 2026-6pm MDT Jul 11, 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