Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

FLATTOP MTN. (FTMM8)

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

NA

17°F

-8°C

Humidity 79%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Last update 02 Mar 02:00 AM MST
Extended Forecast for

16 Miles W St Mary MT

  • Overnight

    Overnight: Mostly clear, with a low around 17. West southwest wind around 13 mph.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 32. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 32 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. South southwest wind 14 to 16 mph.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 31. Southwest wind 13 to 17 mph, with gusts as high as 32 mph.

    High: 31 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow after 11pm.  Mostly cloudy, with a low around 27. Southwest wind 17 to 21 mph, with gusts as high as 33 mph.  New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow.  High near 29. Southwest wind 14 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 29 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm.  Cloudy, with a low around 24. West southwest wind 14 to 17 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Snow Likely

  • Thursday

    Thursday: Snow likely, mainly after 11am.  Mostly cloudy, with a high near 26. West southwest wind 18 to 20 mph, with gusts as high as 29 mph.

    High: 26 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 17. West southwest wind around 13 mph.
Monday
Sunny, with a high near 32. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 22. South southwest wind 14 to 16 mph.
Tuesday
Partly sunny, with a high near 31. Southwest wind 13 to 17 mph, with gusts as high as 32 mph.
Tuesday Night
A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 27. Southwest wind 17 to 21 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.
Wednesday
Snow. High near 29. Southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Wednesday Night
Snow likely, mainly before 11pm. Cloudy, with a low around 24. West southwest wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 26. West southwest wind 18 to 20 mph, with gusts as high as 29 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21.
Friday
A chance of snow. Mostly cloudy, with a high near 25. Breezy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 23. Breezy.
Saturday
Snow likely. Cloudy, with a high near 29. Breezy.
Saturday Night
Snow likely. Mostly cloudy, with a low around 24. Breezy.
Sunday
Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 27. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W St Mary MT
 48.79°N 113.77°W (Elev. 7480 ft)
11:46 pm MST Mar 1, 2026
3am MST Mar 2, 2026-6pm MDT Mar 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database