National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

ROCKY BOY (RCBM8)

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

NA

37°F

3°C

Humidity 91%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 04 Oct 03:18 AM MDT
Extended Forecast for

5 Miles NW Rocky Boy MT

  • Today

    Today: Sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Light south southeast wind becoming south southwest 5 to 10 mph in the evening.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. South southwest wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 26 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 22 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Calm wind becoming west around 6 mph in the afternoon.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

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

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. East northeast wind around 5 mph becoming calm after midnight.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 72. Light and variable wind.
Tonight
Mostly clear, with a low around 52. Light south southeast wind becoming south southwest 5 to 10 mph in the evening.
Monday
Sunny, with a high near 79. South southwest wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Mostly clear, with a low around 49. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 71. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 46. Light and variable wind.
Wednesday
Mostly sunny, with a high near 70. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 44. East northeast wind around 5 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 72.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Saturday
A chance of rain. Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Rocky Boy MT
 48.3°N 109.88°W (Elev. 3202 ft)
Last Update:
12:31 am MDT Oct 4, 2026
Forecast Valid:
4am MDT Oct 4, 2026-6pm MDT Oct 10, 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

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Chance of Precipitation