National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

BOULDER MOUNTAIN (BOMM8)

Lat: 46.5596°NLon: 111.28973°WElev: 7950.0ft.

NA

23°F

-5°C

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

14 Miles NE Winston MT

Winter Weather Advisory May 17, 12:00am until May 18, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 30. West wind around 7 mph, with gusts as high as 18 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely before noon, then rain and snow likely. Mostly cloudy, with a high near 38. West wind 5 to 11 mph becoming north in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A slight chance of rain and snow before 9pm. Mostly cloudy, with a low around 29. North wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 46. North wind around 7 mph.

    High: 46 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. North wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. South southeast wind 5 to 7 mph becoming west southwest in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. West wind 5 to 7 mph becoming light and variable.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain after noon. Partly sunny, with a high near 56. South southwest wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 56 °F

    Mostly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 30. West wind around 7 mph, with gusts as high as 18 mph. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow likely before noon, then rain and snow likely. Mostly cloudy, with a high near 38. West wind 5 to 11 mph becoming north in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
A slight chance of rain and snow before 9pm. Mostly cloudy, with a low around 29. North wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 46. North wind around 7 mph.
Monday Night
Mostly clear, with a low around 31. North wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 55. South southeast wind 5 to 7 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 37. West wind 5 to 7 mph becoming light and variable.
Wednesday
A chance of rain after noon. Partly sunny, with a high near 56. South southwest wind 5 to 8 mph becoming west northwest in the afternoon.
Wednesday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 43.
Friday
A chance of rain and thunderstorms. Mostly sunny, with a high near 63.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 43.
Saturday
A slight chance of rain. Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NE Winston MT
 46.59°N 111.43°W (Elev. 4800 ft)
Last Update:
9:47 pm MDT May 16, 2026
Forecast Valid:
10pm MDT May 16, 2026-6pm MDT May 23, 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