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

62°F

17°C

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

19 Miles NE Winston MT

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52. South wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 52 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 73. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 53. East wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Calm wind becoming south southeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. East southeast wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Light southeast wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 51. South southeast wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: Rain likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 58. West wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 58 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before midnight, then rain likely after midnight. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52. South wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 73. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 53. East wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Calm wind becoming south southeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. East southeast wind 5 to 9 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Light southeast wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 51. South southeast wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Saturday
Rain likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 58. West wind 6 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Showers and possibly a thunderstorm before midnight, then rain likely after midnight. Mostly cloudy, with a low around 44.
Sunday
Rain likely before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 55.
Sunday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 42.
Monday
A chance of rain and thunderstorms. Partly sunny, with a high near 58.
Monday Night
A chance of rain. Partly cloudy, with a low around 43.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NE Winston MT
 46.66°N 111.38°W (Elev. 5400 ft)
Last Update:
6:21 pm MDT May 26, 2026
Forecast Valid:
7pm MDT May 26, 2026-6pm MDT Jun 2, 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