Current conditions at

FLATTOP MTN. (FTMM8)

Lat: 48.80225°NLon: 113.85713°WElev: 6300.0ft.

NA

26°F

-3°C

Humidity 92%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 15 Apr 06:00 AM MDT
Extended Forecast for

16 Miles W St Mary MT

Winter Weather Advisory until April 16, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until April 16, 12:00pm

    NOW until 12:00pm Thu

    Winter Weather Advisory

  • Today

    High: 27 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow likely, mainly after 10pm.  Patchy blowing snow before 9pm. Mostly cloudy, with a low around 11. Wind chill values as low as zero. West southwest wind 14 to 17 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 11 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Thursday

    Thursday: Snow.  High near 21. Wind chill values as low as -5. North wind 11 to 14 mph becoming west in the afternoon.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 21 °F

    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 13. West southwest wind 9 to 11 mph.  New snow accumulation of less than a half inch possible.

    Low: 13 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Snow likely, mainly after noon.  Partly sunny, with a high near 25. West wind around 11 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 25 °F

    Chance Snow
    then Snow
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17. Southwest wind 11 to 14 mph.

    Low: 17 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 31. Southwest wind 14 to 18 mph, with gusts as high as 24 mph.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23. Southwest wind 14 to 17 mph, with gusts as high as 22 mph.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow, mainly before 3pm. The snow could be heavy at times. High near 27. Breezy, with a west southwest wind 17 to 25 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 6 to 10 inches possible.
Tonight
Snow likely, mainly after 10pm. Patchy blowing snow before 9pm. Mostly cloudy, with a low around 11. Wind chill values as low as zero. West southwest wind 14 to 17 mph becoming north northeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow. High near 21. Wind chill values as low as -5. North wind 11 to 14 mph becoming west in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13. West southwest wind 9 to 11 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after noon. Partly sunny, with a high near 25. West wind around 11 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Friday Night
Partly cloudy, with a low around 17. Southwest wind 11 to 14 mph.
Saturday
Mostly sunny, with a high near 31. Southwest wind 14 to 18 mph, with gusts as high as 24 mph.
Saturday Night
Mostly cloudy, with a low around 23. Southwest wind 14 to 17 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 29.
Monday
A slight chance of snow. Mostly sunny, with a high near 43.
Monday Night
A slight chance of snow. Partly cloudy, with a low around 30.
Tuesday
A chance of snow. Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W St Mary MT
 48.79°N 113.77°W (Elev. 7480 ft)
4:02 am MDT Apr 15, 2026
6am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database