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

51°F

11°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: Mostly clear, with a low around 37. East wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. East wind around 5 mph becoming light and variable in the afternoon.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. North northwest wind around 5 mph becoming calm in the morning.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. North northeast wind 3 to 6 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 61. Light east wind becoming southeast 5 to 9 mph in the morning.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. East southeast wind around 6 mph becoming calm after midnight.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 69. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after midnight. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 37. East wind 6 to 9 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 64. East wind around 5 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 42. Light and variable wind.
Tuesday
Mostly sunny, with a high near 60. North northwest wind around 5 mph becoming calm in the morning.
Tuesday Night
Partly cloudy, with a low around 37. North northeast wind 3 to 6 mph.
Wednesday
Sunny, with a high near 61. Light east wind becoming southeast 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 45. East southeast wind around 6 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 69. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
A chance of rain after midnight. Mostly cloudy, with a low around 47.
Friday
Rain likely. Mostly cloudy, with a high near 52.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Breezy.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles S Lloyd MT
 48°N 109.39°W (Elev. 3701 ft)
Last Update:
12:31 pm MDT Oct 18, 2026
Forecast Valid:
4pm MDT Oct 18, 2026-6pm MDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation