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

45°F

7°C

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

15 Miles ENE Winston MT

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 63. South wind around 6 mph becoming north in the afternoon.

    High: 63 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. North northeast wind 7 to 10 mph becoming south after midnight.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 66. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 66 °F

    Mostly Cloudy
    then Slight
    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 48. Southwest wind 9 to 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. North northwest wind 11 to 20 mph, with gusts as high as 32 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 56. Northwest wind around 11 mph, with gusts as high as 21 mph.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. North wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Juneteenth
Partly sunny, with a high near 63. South wind around 6 mph becoming north in the afternoon.
Tonight
Partly cloudy, with a low around 46. North northeast wind 7 to 10 mph becoming south after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 66. Southwest wind 6 to 10 mph, with gusts 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 48. Southwest wind 9 to 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 61. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 42. North northwest wind 11 to 20 mph, with gusts as high as 32 mph.
Monday
Mostly sunny, with a high near 56. Northwest wind around 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 40. North wind 7 to 14 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Winston MT
 46.58°N 111.36°W (Elev. 6398 ft)
Last Update:
3:31 am MDT Jun 19, 2026
Forecast Valid:
10am MDT Jun 19, 2026-6pm MDT Jun 25, 2026
 
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Additional Resources

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Chance of Precipitation