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

Hazardous Weather Conditions

Current conditions at

FLATTOP MTN. (FTMM8)

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

NA

45°F

7°C

Humidity 49%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 05 Apr 05:00 PM MDT
Extended Forecast for

16 Miles W St Mary MT

High Wind Watch April 7, 06:00am until April 7, 09:00pm
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. East northeast wind 9 to 11 mph.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. East wind 8 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Breezy, with a southwest wind 14 to 24 mph, with gusts as high as 37 mph.

    Low: 29 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Snow likely, mainly after noon. Mostly cloudy, with a high near 32. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Chance Snow
    and Breezy
    then Snow
    Likely and
    Windy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 15. Breezy, with a west wind 13 to 23 mph, with gusts as high as 34 mph. New snow accumulation of 1 to 2 inches possible.

    Low: 15 °F

    Chance Snow
    and Breezy

  • Wednesday

    Wednesday: A 20 percent chance of snow. Mostly sunny, with a high near 29. West southwest wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 29 °F

    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 19. West southwest wind 9 to 14 mph.

    Low: 19 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A slight chance of snow. Mostly sunny, with a high near 34. West southwest wind 9 to 13 mph.

    High: 34 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 23. East northeast wind 9 to 11 mph.
Monday
Mostly sunny, with a high near 40. East wind 8 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 29. Breezy, with a southwest wind 14 to 24 mph, with gusts as high as 37 mph.
Tuesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 32. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 15. Breezy, with a west wind 13 to 23 mph, with gusts as high as 34 mph. New snow accumulation of 1 to 2 inches possible.
Wednesday
A 20 percent chance of snow. Mostly sunny, with a high near 29. West southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19. West southwest wind 9 to 14 mph.
Thursday
A slight chance of snow. Mostly sunny, with a high near 34. West southwest wind 9 to 13 mph.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 26.
Saturday
A chance of snow. Mostly sunny, with a high near 39.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 21.
Sunday
Snow likely. Mostly cloudy, with a high near 28.
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:
4:22 pm MDT Apr 5, 2026
Forecast Valid:
6pm MDT Apr 5, 2026-6pm MDT Apr 12, 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