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Tropical Depression Nine in the Gulf of America; California October Heat Wave Continues

Tropical Depression Nine is forecast to track toward the central U.S. Gulf Coast while strengthening into a tropical storm by early Wednesday and a hurricane on Thursday. Stay tuned to forecast updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday in Coastal California. Read More >

Current conditions at

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

NA

66°F

19°C

Humidity 21%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 06 Oct 08:18 PM MDT
Extended Forecast for

2 Miles SE Rocky Boy MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. Calm wind becoming northwest around 5 mph.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Calm wind becoming southeast around 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Calm wind becoming south around 6 mph in the evening.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77. South southwest wind 6 to 14 mph, with gusts as high as 32 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. West southwest wind around 8 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, mainly after noon. Mostly cloudy, with a high near 52. Northwest wind around 10 mph, with gusts as high as 22 mph.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain and snow likely, becoming all snow after 9pm. Cloudy, with a low around 27.

    Low: 27 °F

    Rain/Snow
    Likely then
    Snow Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Light and variable wind.
Wednesday
Partly sunny, with a high near 67. Calm wind becoming northwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 42. Calm wind becoming southeast around 5 mph.
Thursday
Mostly sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 48. Calm wind becoming south around 6 mph in the evening.
Friday
Mostly sunny, with a high near 77. South southwest wind 6 to 14 mph, with gusts as high as 32 mph.
Friday Night
Mostly cloudy, with a low around 41. West southwest wind around 8 mph, with gusts as high as 21 mph.
Saturday
A chance of rain, mainly after noon. Mostly cloudy, with a high near 52. Northwest wind around 10 mph, with gusts as high as 22 mph.
Saturday Night
Rain and snow likely, becoming all snow after 9pm. Cloudy, with a low around 27.
Sunday
Snow. Mostly cloudy, with a high near 37.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23.
Columbus Day
A chance of snow. Partly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Rocky Boy MT
 48.24°N 109.77°W (Elev. 4032 ft)
Last Update:
5:16 pm MDT Oct 6, 2026
Forecast Valid:
8pm MDT Oct 6, 2026-6pm MDT Oct 13, 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