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

39°F

4°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

  • Tonight

    Tonight: Rain likely, mainly before 1am. Mostly cloudy, with a low around 47. West northwest wind 5 to 9 mph becoming east after midnight. Chance of precipitation is 60%.

    Low: 47 °F

    Rain Likely

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 68. East southeast wind 5 to 7 mph becoming west southwest in the afternoon.

    High: 68 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 69 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 50. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 73 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. West southwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. Calm wind becoming west around 6 mph in the afternoon.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly before 1am. Mostly cloudy, with a low around 47. West northwest wind 5 to 9 mph becoming east after midnight. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 68. East southeast wind 5 to 7 mph becoming west southwest in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 50. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 50%.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 52. West southwest wind around 6 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.
Independence Day
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Winston MT
 46.55°N 111.48°W (Elev. 4377 ft)
Last Update:
8:27 pm MDT Jun 29, 2026
Forecast Valid:
10pm MDT Jun 29, 2026-6pm MDT Jul 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation