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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

BOULDER MOUNTAIN (BOMM8)

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

NA

67°F

19°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

Fire Weather Watch August 1, 02:00pm until August 2, 09:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 1am. Patchy smoke before 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South southeast wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Patchy smoke after 2pm. Sunny, with a high near 91. South southeast wind around 6 mph becoming west in the afternoon.

    High: 91 °F

    Sunny then
    Patchy Smoke

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Patchy smoke. Mostly cloudy, with a low around 61. North wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers then
    Patchy Smoke

  • Friday

    Friday: Patchy smoke before 7am. Partly sunny, then gradually becoming sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 92 °F

    Patchy Smoke
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. Northwest wind around 6 mph becoming light and variable after midnight.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Southeast wind 6 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Breezy, with a west southwest wind 15 to 20 mph becoming northwest 24 to 29 mph after midnight. Winds could gust as high as 43 mph.

    Low: 60 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 85. Northwest wind 13 to 17 mph, with gusts as high as 29 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. Breezy.

    Low: 52 °F

    Clear and
    Breezy then
    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 1am. Patchy smoke before 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South southeast wind 5 to 9 mph. Chance of precipitation is 20%.
Thursday
Patchy smoke after 2pm. Sunny, with a high near 91. South southeast wind around 6 mph becoming west in the afternoon.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Patchy smoke. Mostly cloudy, with a low around 61. North wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.
Friday
Patchy smoke before 7am. Partly sunny, then gradually becoming sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 63. Northwest wind around 6 mph becoming light and variable after midnight.
Saturday
Sunny and hot, with a high near 98. Southeast wind 6 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Mostly clear, with a low around 60. Breezy, with a west southwest wind 15 to 20 mph becoming northwest 24 to 29 mph after midnight. Winds could gust as high as 43 mph.
Sunday
Sunny, with a high near 85. Northwest wind 13 to 17 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 52. Breezy.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Winston MT
 46.52°N 111.48°W (Elev. 4199 ft)
Last Update:
4:21 pm MDT Jul 29, 2026
Forecast Valid:
8pm MDT Jul 29, 2026-6pm MDT Aug 5, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation