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

FLATTOP MTN. (FTMM8)

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

NA

27°F

-3°C

Humidity 88%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 04 Apr 01:00 AM MDT
Extended Forecast for

16 Miles W St Mary MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. Southwest wind around 15 mph.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 33. Southwest wind 15 to 17 mph, with gusts as high as 23 mph.

    High: 33 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. West southwest wind 8 to 15 mph becoming east after midnight. Winds could gust as high as 18 mph.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow. Partly sunny, with a high near 35. East southeast wind around 9 mph becoming south southwest in the afternoon.

    High: 35 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. East wind around 9 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 40. East northeast wind 8 to 11 mph becoming southwest in the afternoon.

    High: 40 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Southwest wind 14 to 20 mph, with gusts as high as 25 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow after noon. Partly sunny, with a high near 34. Windy, with a southwest wind 22 to 30 mph, with gusts as high as 43 mph.

    High: 34 °F

    Mostly Sunny
    and Breezy
    then Chance
    Snow and
    Windy

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 16. Breezy.

    Low: 16 °F

    Chance Snow
    and Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. Southwest wind around 15 mph.
Saturday
Partly sunny, with a high near 33. Southwest wind 15 to 17 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 22. West southwest wind 8 to 15 mph becoming east after midnight. Winds could gust as high as 18 mph.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 35. East southeast wind around 9 mph becoming south southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 24. East wind around 9 mph.
Monday
Mostly cloudy, with a high near 40. East northeast wind 8 to 11 mph becoming southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 30. Southwest wind 14 to 20 mph, with gusts as high as 25 mph.
Tuesday
A chance of snow after noon. Partly sunny, with a high near 34. Windy, with a southwest wind 22 to 30 mph, with gusts as high as 43 mph.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 16. Breezy.
Wednesday
A chance of snow. Mostly cloudy, with a high near 22.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 13.
Thursday
A chance of snow. Partly sunny, with a high near 27.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 17.
Friday
A slight chance of snow. Partly sunny, with a high near 30.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W St Mary MT
 48.79°N 113.77°W (Elev. 7480 ft)
Last Update:
12:31 am MDT Apr 4, 2026
Forecast Valid:
3am MDT Apr 4, 2026-6pm MDT Apr 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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