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

38°F

3°C

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

9 Miles S Lloyd MT

  • Overnight

    Overnight: A 20 percent chance of showers after 4am. Partly cloudy, with a low around 42. West wind around 6 mph.

    Low: 42 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 58. Northwest wind 7 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 41. Northwest wind 7 to 17 mph, with gusts as high as 28 mph.

    Low: 41 °F

    Chance
    Showers then
    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 63. North northwest wind 5 to 8 mph becoming east southeast in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. East wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Southeast wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 49. Southeast wind 10 to 16 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61. West northwest wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 61 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers after midnight. Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Partly cloudy, with a low around 42. West wind around 6 mph.
Thursday
A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 58. Northwest wind 7 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 41. Northwest wind 7 to 17 mph, with gusts as high as 28 mph.
Juneteenth
Mostly sunny, with a high near 63. North northwest wind 5 to 8 mph becoming east southeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 48. East wind 11 to 14 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 69. Southeast wind 14 to 17 mph, with gusts as high as 29 mph.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 49. Southeast wind 10 to 16 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61. West northwest wind 14 to 16 mph, with gusts as high as 26 mph.
Sunday Night
A slight chance of showers after midnight. Partly cloudy, with a low around 43.
Monday
A slight chance of showers after noon. Mostly sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Lloyd MT
 48.17°N 109.35°W (Elev. 4846 ft)
Last Update:
12:32 am MDT Jun 18, 2026
Forecast Valid:
2am MDT Jun 18, 2026-6pm MDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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