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

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

BOULDER MOUNTAIN (BOMM8)

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

NA

36°F

2°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

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain between 2pm and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 49. West southwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 49 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. Southwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 32 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45. South wind 14 to 18 mph, with gusts as high as 34 mph.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. South wind 11 to 16 mph, with gusts as high as 30 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Rain likely after 5pm. Partly sunny, with a high near 45. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 45 °F

    Mostly Sunny
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain and snow likely before 11pm, then snow likely between 11pm and 2am, then rain and snow likely after 2am. Mostly cloudy, with a low around 33. South wind around 5 mph becoming west northwest after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Snow likely before 11am, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 35. Northwest wind around 5 mph.

    High: 35 °F

    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Snow Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. South wind around 11 mph, with gusts as high as 22 mph.
Saturday
A slight chance of rain between 2pm and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 49. West southwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 36. Southwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 32 mph.
Sunday
Mostly sunny, with a high near 45. South wind 14 to 18 mph, with gusts as high as 34 mph.
Sunday Night
Mostly clear, with a low around 37. South wind 11 to 16 mph, with gusts as high as 30 mph.
Monday
Rain likely after 5pm. Partly sunny, with a high near 45. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday Night
Rain and snow likely before 11pm, then snow likely between 11pm and 2am, then rain and snow likely after 2am. Mostly cloudy, with a low around 33. South wind around 5 mph becoming west northwest after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely before 11am, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 35. Northwest wind around 5 mph.
Tuesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 27.
Wednesday
A slight chance of snow before 11am. Mostly sunny, with a high near 33.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
A slight chance of snow. Mostly cloudy, with a high near 33.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 24.
Friday
A slight chance of snow. Mostly cloudy, with a high near 32.
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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:
11:31 pm MST Nov 13, 2026
Forecast Valid:
3am MST Nov 14, 2026-6pm MST Nov 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation