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

N/A

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

11 Miles SSW Lloyd MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. West wind 8 to 10 mph.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain likely, mainly after noon. Increasing clouds, with a high near 50. West southwest wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain, possibly mixed with snow, becoming all snow after 1am. Low around 32. South wind 5 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow

  • Sunday

    Sunday: Snow. High near 34. Breezy, with a north northwest wind 14 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow and
    Breezy

  • Sunday Night

    Sunday Night: Snow, mainly before midnight. Low around 26. North wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow then
    Chance Snow

  • Monday

    Monday: A 20 percent chance of snow. Mostly cloudy, with a high near 42. North wind around 8 mph.

    High: 42 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. North northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Calm wind becoming south 5 to 8 mph in the morning.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. West wind 8 to 10 mph.
Saturday
Rain likely, mainly after noon. Increasing clouds, with a high near 50. West southwest wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain, possibly mixed with snow, becoming all snow after 1am. Low around 32. South wind 5 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday
Snow. High near 34. Breezy, with a north northwest wind 14 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow, mainly before midnight. Low around 26. North wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 42. North wind around 8 mph.
Monday Night
Partly cloudy, with a low around 28. North northeast wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 53. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 43.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW Lloyd MT
 48.14°N 109.41°W (Elev. 4580 ft)
Last Update:
12:32 am MDT May 16, 2026
Forecast Valid:
1am MDT May 16, 2026-6pm MDT May 22, 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