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

56°F

13°C

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

17 Miles NE Winston MT

  • This Afternoon

    This Afternoon: A slight chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 70. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. West southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 65. West wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. North wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. North wind 5 to 11 mph, with gusts as high as 24 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. East northeast wind around 5 mph becoming calm.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. North northeast wind 7 to 10 mph becoming east after midnight.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 70. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. West southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 65. West wind 8 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 45. North wind 8 to 13 mph, with gusts as high as 23 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 42. North wind 5 to 11 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 68. East northeast wind around 5 mph becoming calm.
Tuesday Night
Partly cloudy, with a low around 47. North northeast wind 7 to 10 mph becoming east after midnight.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NE Winston MT
 46.62°N 111.37°W (Elev. 5640 ft)
Last Update:
11:01 am MDT Jun 20, 2026
Forecast Valid:
12pm MDT Jun 20, 2026-6pm MDT Jun 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