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

63°F

17°C

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

20 Miles S Lloyd MT

  • Tonight

    Tonight: Partly cloudy, with a low around 49. East wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. East southeast wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 1am. Mostly cloudy, with a low around 53. Southeast wind 5 to 8 mph becoming west northwest after midnight. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 69. West northwest wind 11 to 13 mph, with gusts as high as 23 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 46. West northwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 62. West northwest wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 62 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 26 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Light and variable wind becoming north around 5 mph in the afternoon.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. East wind 8 to 10 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 76. East southeast wind 8 to 13 mph, with gusts as high as 22 mph.
Saturday Night
A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 1am. Mostly cloudy, with a low around 53. Southeast wind 5 to 8 mph becoming west northwest after midnight. Chance of precipitation is 50%.
Sunday
Sunny, with a high near 69. West northwest wind 11 to 13 mph, with gusts as high as 23 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 46. West northwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 62. West northwest wind 10 to 16 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 44. Northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 26 mph.
Tuesday
Sunny, with a high near 71. Light and variable wind becoming north around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles S Lloyd MT
 48°N 109.39°W (Elev. 3701 ft)
Last Update:
4:52 pm MDT Jun 19, 2026
Forecast Valid:
6pm MDT Jun 19, 2026-6pm MDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation