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

32°F

0°C

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

9 Miles ENE Winston MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. Light east wind.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 60. Light and variable wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 60 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers before 4am, then a slight chance of rain between 4am and 5am. Low around 39. North northwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 39 °F

    Showers then
    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 59. North northwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. North northwest wind 5 to 10 mph becoming light and variable.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68. South southeast wind around 6 mph becoming west southwest in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Calm wind becoming south 5 to 7 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. Light east wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 60. Light and variable wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Showers before 4am, then a slight chance of rain between 4am and 5am. Low around 39. North northwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Thursday
Partly sunny, with a high near 59. North northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 39. North northwest wind 5 to 10 mph becoming light and variable.
Friday
Mostly sunny, with a high near 68. South southeast wind around 6 mph becoming west southwest in the afternoon.
Friday Night
Mostly clear, with a low around 45. West southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 75. Calm wind becoming south 5 to 7 mph in the morning.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 51.
Memorial Day
Mostly sunny, with a high near 81.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 51.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Winston MT
 46.52°N 111.48°W (Elev. 4199 ft)
Last Update:
10:16 pm MDT May 19, 2026
Forecast Valid:
12am MDT May 20, 2026-6pm MDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation