Current conditions at

FLATTOP MTN. (FTMM8)

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

NA

19°F

-7°C

Humidity 91%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Last update 11 Mar 01:00 PM MDT
Extended Forecast for

16 Miles W St Mary MT

Winter Storm Warning March 12, 03:00pm until March 14, 06:00pm
Blizzard Warning March 12, 07:08am until March 12, 03:00pm
High Wind Warning March 12, 07:08am until March 12, 03:00pm
Click here for hazard details and duration
Winter Storm Warning
Blizzard Warning
High Wind Warning
  •  
    Blizzard Warning March 12, 07:08am until March 12, 03:00pm
    High Wind Warning March 12, 07:08am until March 12, 03:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 21 °F

    Snow Likely
    and Blowing
    Snow

  • Tonight

    Tonight: Snow.  Areas of blowing snow before 3am. Low around 11. Wind chill values as low as -5. Breezy, with a west wind 21 to 26 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 37 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 11 °F

    Snow and
    Areas Blowing
    Snow

  • Friday

    Friday: Snow.  High near 18. Wind chill values as low as -5. West wind 13 to 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 18 °F

    Snow

  • Friday Night

    Friday Night: Snow.  Low around 7. Wind chill values as low as -5. West southwest wind 9 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 7 °F

    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times.  High near 13. North wind 9 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 13 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around -3. North wind 9 to 14 mph becoming west after midnight.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: -3 °F

    Snow Likely
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow after noon.  Mostly cloudy, with a high near 16. West southwest wind 10 to 16 mph, with gusts as high as 23 mph.

    High: 16 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after midnight.  Cloudy, with a low around 13. Southwest wind around 18 mph, with gusts as high as 23 mph.

    Low: 13 °F

    Snow Likely

Detailed Forecast

Today
Snow likely, mainly after 3pm. Widespread blowing snow. Cloudy, with a temperature falling to around 16 by 11am. Wind chill values as low as -5. Windy, with a west wind 38 to 43 mph decreasing to 28 to 33 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow. Areas of blowing snow before 3am. Low around 11. Wind chill values as low as -5. Breezy, with a west wind 21 to 26 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday
Snow. High near 18. Wind chill values as low as -5. West wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow. Low around 7. Wind chill values as low as -5. West southwest wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 13. North wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around -3. North wind 9 to 14 mph becoming west after midnight. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Sunday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 16. West southwest wind 10 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Snow likely, mainly after midnight. Cloudy, with a low around 13. Southwest wind around 18 mph, with gusts as high as 23 mph.
Monday
Snow likely. Cloudy, with a high near 31. Breezy.
Monday Night
A chance of snow. Cloudy, with a low around 29. Breezy.
Tuesday
A chance of snow. Mostly cloudy, with a high near 36. Breezy.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 31. Breezy.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 38. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W St Mary MT
 48.79°N 113.77°W (Elev. 7480 ft)
5:52 am MDT Mar 12, 2026
7am MDT Mar 12, 2026-6pm MDT Mar 18, 2026
 
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