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

Atmospheric River to Impact the Northwest; Windy Conditions in the Northeast

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. Read More >

Current conditions at

ROCKY BOY (RCBM8)

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

NA

35°F

2°C

Humidity 94%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 04 Nov 07:18 AM MST
Extended Forecast for

2 Miles NW Rocky Boy MT

  • Today

    Today: A chance of rain, mixing with snow after 8am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 48. Calm wind becoming west northwest 5 to 8 mph in the morning. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Calm wind becoming east southeast around 6 mph after midnight.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 54. Southeast wind 8 to 10 mph.

    High: 54 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 39. Southeast wind 8 to 14 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 55. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 40 mph.

    High: 55 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A 10 percent chance of snow after 5am. Partly cloudy, with a low around 32. Southwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.

    Low: 32 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A slight chance of rain and snow before 8am, then a slight chance of rain. Partly sunny, with a high near 54. South southwest wind 6 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain before 11pm, then a slight chance of rain and snow between 11pm and 2am, then a slight chance of snow after 2am. Mostly cloudy, with a low around 28. West northwest wind 18 to 20 mph, with gusts as high as 34 mph.

    Low: 28 °F

    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain, mixing with snow after 8am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 48. Calm wind becoming west northwest 5 to 8 mph in the morning. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
Partly cloudy, with a low around 29. Calm wind becoming east southeast around 6 mph after midnight.
Wednesday
Mostly cloudy, with a high near 54. Southeast wind 8 to 10 mph.
Wednesday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 39. Southeast wind 8 to 14 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.
Thursday
Mostly sunny, with a high near 55. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 40 mph.
Thursday Night
A 10 percent chance of snow after 5am. Partly cloudy, with a low around 32. Southwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.
Friday
A slight chance of rain and snow before 8am, then a slight chance of rain. Partly sunny, with a high near 54. South southwest wind 6 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain before 11pm, then a slight chance of rain and snow between 11pm and 2am, then a slight chance of snow after 2am. Mostly cloudy, with a low around 28. West northwest wind 18 to 20 mph, with gusts as high as 34 mph.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Rocky Boy MT
 48.28°N 109.81°W (Elev. 3432 ft)
Last Update:
2:48 am MST Nov 4, 2025
Forecast Valid:
7am MST Nov 4, 2025-6pm MST Nov 10, 2025
 
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