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

73°F

23°C

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

16 Miles W St Mary MT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 69. West southwest wind around 15 mph, with gusts as high as 23 mph.

    High: 69 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. Southwest wind 9 to 16 mph, with gusts as high as 23 mph.

    Low: 49 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 58. Southwest wind 9 to 18 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Sunny then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 33. Windy, with a northeast wind 26 to 32 mph, with gusts as high as 43 mph. Chance of precipitation is 90%.

    Low: 33 °F

    Showers and
    Windy

  • Tuesday

    Tuesday: Rain and snow showers likely before noon, then a chance of rain showers. Some thunder is also possible. Cloudy, with a high near 36. Breezy, with a northeast wind 24 to 29 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow
    Likely and
    Breezy then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 34. East northeast wind 9 to 15 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. East wind around 9 mph becoming south southwest in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. Southeast wind 7 to 9 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 54.

    High: 54 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 69. West southwest wind around 15 mph, with gusts as high as 23 mph.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. Southwest wind 9 to 16 mph, with gusts as high as 23 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 58. Southwest wind 9 to 18 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm. Low around 33. Windy, with a northeast wind 26 to 32 mph, with gusts as high as 43 mph. Chance of precipitation is 90%.
Tuesday
Rain and snow showers likely before noon, then a chance of rain showers. Some thunder is also possible. Cloudy, with a high near 36. Breezy, with a northeast wind 24 to 29 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 34. East northeast wind 9 to 15 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 50. East wind around 9 mph becoming south southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 40. Southeast wind 7 to 9 mph.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 54.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 59.
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:
2:29 pm MDT Jul 13, 2025
Forecast Valid:
5pm MDT Jul 13, 2025-6pm MDT Jul 20, 2025
 
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