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

40°F

4°C

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

13 Miles SW White Sulphur Springs MT

  • Tonight

    Tonight: Partly cloudy, with a low around 41. North northwest wind 7 to 9 mph becoming west after midnight.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms between 3pm and 4pm. Mostly sunny, with a high near 55. West wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 55 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. Breezy, with a northwest wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 31 mph.

    Low: 39 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 60. Southeast wind 6 to 9 mph.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. East southeast wind 11 to 20 mph, with gusts as high as 24 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 59. East southeast wind 7 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 59 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 46. West northwest wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56. West northwest wind 11 to 16 mph, with gusts as high as 21 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. North northwest wind 7 to 9 mph becoming west after midnight.
Thursday
A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms between 3pm and 4pm. Mostly sunny, with a high near 55. West wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 39. Breezy, with a northwest wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 31 mph.
Juneteenth
Partly sunny, with a high near 60. Southeast wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 47. East southeast wind 11 to 20 mph, with gusts as high as 24 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 59. East southeast wind 7 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 46. West northwest wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 56. West northwest wind 11 to 16 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SW White Sulphur Springs MT
 46.45°N 111.12°W (Elev. 7700 ft)
Last Update:
10:17 pm MDT Jun 17, 2026
Forecast Valid:
10pm MDT Jun 17, 2026-6pm MDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation