Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

BOULDER MOUNTAIN (BOMM8)

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

NA

65°F

18°C

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

18 Miles NNE Winston MT

  • This Afternoon

    This Afternoon: Patchy smoke. Sunny, with a high near 73. West wind around 8 mph, with gusts as high as 18 mph.

    High: 73 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke. Mostly clear, with a low around 53. West northwest wind 5 to 8 mph becoming north after midnight. Winds could gust as high as 18 mph.

    Low: 53 °F

    Patchy Smoke

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 5pm.  Patchy smoke. Sunny, with a high near 66. North northeast wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 66 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 3am, then a chance of showers.  Patchy smoke before 9pm. Mostly cloudy, with a low around 50. North northeast wind 6 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 61. North wind around 6 mph.  Chance of precipitation is 70%.

    High: 61 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 49. North northeast wind 6 to 8 mph.  Chance of precipitation is 90%.

    Low: 49 °F

    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 58. North northwest wind 5 to 8 mph.  Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 62.

    High: 62 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Patchy smoke. Sunny, with a high near 73. West wind around 8 mph, with gusts as high as 18 mph.
Tonight
Patchy smoke. Mostly clear, with a low around 53. West northwest wind 5 to 8 mph becoming north after midnight. Winds could gust as high as 18 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 5pm. Patchy smoke. Sunny, with a high near 66. North northeast wind 8 to 14 mph, with gusts as high as 20 mph.
Wednesday Night
Showers and thunderstorms likely before 3am, then a chance of showers. Patchy smoke before 9pm. Mostly cloudy, with a low around 50. North northeast wind 6 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61. North wind around 6 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm. Low around 49. North northeast wind 6 to 8 mph. Chance of precipitation is 90%.
Friday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 58. North northwest wind 5 to 8 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Light and variable wind.
Saturday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 62.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 49.
Sunday
Sunny, with a high near 68.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNE Winston MT
 46.7°N 111.44°W (Elev. 6601 ft)
12:31 pm MDT Aug 11, 2026
1pm MDT Aug 11, 2026-6pm MDT Aug 17, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database