Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >

Current conditions at

FLATTOP MTN. (FTMM8)

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

NA

14°F

-10°C

Humidity 89%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Last update 16 Mar 01:00 AM MDT
Extended Forecast for

16 Miles W St Mary MT

High Wind Warning March 17, 03:34am until March 17, 06:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning March 17, 03:34am until March 17, 06:00pm

    NOW until 6:00pm Tue

    High Wind Warning

  • Overnight

    Low: 29 °F

    Chance Snow
    and Windy

  • Tuesday

    Tuesday: A slight chance of snow before 3pm, then a slight chance of snow after 4pm.  Partly sunny, with a high near 33. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 39 mph.  Chance of precipitation is 20%.

    High: 33 °F

    Partly Sunny
    and Windy
    then Slight
    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow, mainly after 2am.  Mostly cloudy, with a low around 31. Breezy, with a southwest wind 23 to 25 mph, with gusts as high as 32 mph.  New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    and Breezy

  • Wednesday

    Wednesday: Rain and snow likely, becoming all snow after 9am.  Cloudy, with a high near 34. Breezy, with a southwest wind 24 to 28 mph, with gusts as high as 37 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 34 °F

    Breezy.
    Rain/Snow
    Likely then
    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight, then a chance of snow between midnight and 3am, then a chance of rain and snow after 3am.  Mostly cloudy, with a low around 32. Breezy, with a southwest wind around 24 mph, with gusts as high as 32 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow and
    Breezy

  • Thursday

    Thursday: A chance of snow before noon, then a chance of rain and snow.  Mostly cloudy, with a high near 37. Breezy, with a southwest wind 25 to 29 mph, with gusts as high as 41 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 37 °F

    Breezy.
    Chance Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 3am, then a chance of rain.  Mostly cloudy, with a low around 35. Breezy, with a southwest wind around 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday

    Friday: Rain likely, possibly mixed with snow, mainly after noon.  Mostly cloudy, with a high near 40. Breezy, with a southwest wind 21 to 24 mph, with gusts as high as 36 mph.

    High: 40 °F

    Rain/Snow
    Likely and
    Breezy

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly between 4am and 5am. Mostly cloudy, with a steady temperature around 29. Windy, with a southwest wind 30 to 32 mph, with gusts as high as 43 mph. Total nighttime snow accumulation of less than one inch possible.
Tuesday
A slight chance of snow before 3pm, then a slight chance of snow after 4pm. Partly sunny, with a high near 33. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Tuesday Night
A 50 percent chance of snow, mainly after 2am. Mostly cloudy, with a low around 31. Breezy, with a southwest wind 23 to 25 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow likely, becoming all snow after 9am. Cloudy, with a high near 34. Breezy, with a southwest wind 24 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Wednesday Night
A chance of rain and snow before midnight, then a chance of snow between midnight and 3am, then a chance of rain and snow after 3am. Mostly cloudy, with a low around 32. Breezy, with a southwest wind around 24 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 37. Breezy, with a southwest wind 25 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 3am, then a chance of rain. Mostly cloudy, with a low around 35. Breezy, with a southwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Rain likely, possibly mixed with snow, mainly after noon. Mostly cloudy, with a high near 40. Breezy, with a southwest wind 21 to 24 mph, with gusts as high as 36 mph.
Friday Night
Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 28. Breezy.
Saturday
Snow likely. Mostly cloudy, with a high near 31.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 18.
Sunday
A slight chance of snow. Mostly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 19.
Monday
A slight chance of snow. Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W St Mary MT
 48.79°N 113.77°W (Elev. 7480 ft)
1:17 am MDT Mar 17, 2026
3am MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
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