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

BOULDER MOUNTAIN (BOMM8)

Lat: 46.5596°NLon: 111.28973°WElev: 7950.0ft.

NA

37°F

3°C

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

15 Miles NE Winston MT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 52. West wind around 9 mph, with gusts as high as 21 mph.

    High: 52 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 36. West wind 5 to 9 mph becoming light and variable. Winds could gust as high as 21 mph.

    Low: 36 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 52. Southwest wind 5 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 52 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Rain before 9pm, then rain, possibly mixed with snow. Some thunder is also possible. Low around 36. North wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before noon. Partly sunny, with a high near 50. North northwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. North northwest wind 5 to 8 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 59. Light and variable wind becoming west southwest 5 to 7 mph in the morning. Winds could gust as high as 18 mph.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. West wind 5 to 8 mph becoming light and variable in the evening.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 52. West wind around 9 mph, with gusts as high as 21 mph.
Tonight
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 36. West wind 5 to 9 mph becoming light and variable. Winds could gust as high as 21 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 52. Southwest wind 5 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Rain before 9pm, then rain, possibly mixed with snow. Some thunder is also possible. Low around 36. North wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow before noon. Partly sunny, with a high near 50. North northwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 36. North northwest wind 5 to 8 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Friday
Mostly sunny, with a high near 59. Light and variable wind becoming west southwest 5 to 7 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 41. West wind 5 to 8 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 49.
Memorial Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 68.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 46.
Tuesday
A chance of rain. Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NE Winston MT
 46.63°N 111.43°W (Elev. 5089 ft)
Last Update:
12:31 pm MDT May 19, 2026
Forecast Valid:
3pm MDT May 19, 2026-6pm MDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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