Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

FLATTOP MTN. (FTMM8)

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

NA

44°F

7°C

Humidity 49%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 19 Mar 10:00 AM MDT
Extended Forecast for

16 Miles W St Mary MT

High Wind Watch March 20, 06:00am until March 21, 12:00pm
High Wind Warning March 19, 11:20am until March 20, 12:00am
Click here for hazard details and duration
High Wind Watch
High Wind Warning
  •  
    High Wind Warning March 19, 11:20am until March 20, 12:00am

    NOW until 12:00am Fri

    High Wind Warning

  • Today

    High: 36 °F

    Chance
    Rain/Snow and
    Windy

  • Tonight

    Tonight: A chance of rain and snow before 3am, then a chance of snow.  Mostly cloudy, with a low around 33. Breezy, with a southwest wind 23 to 25 mph, with gusts as high as 34 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday

    Friday: Rain likely, possibly mixed with snow, becoming all rain after 3pm.  Mostly cloudy, with a high near 38. Breezy, with a southwest wind 22 to 24 mph, with gusts as high as 38 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow
    Likely and
    Breezy

  • Friday Night

    Friday Night: Rain and snow likely, becoming all snow after 3am.  Mostly cloudy, with a low around 28. Breezy, with a southwest wind 20 to 23 mph, with gusts as high as 37 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    Likely and
    Breezy

  • Saturday

    Saturday: Snow likely.  Mostly cloudy, with a high near 31. Southwest wind 17 to 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 18. West southwest wind 13 to 17 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 29. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 31 mph.

    High: 29 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 31 mph.

    Low: 19 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Today
A chance of snow before 5pm, then a slight chance of rain and snow. Partly sunny, with a high near 36. Windy, with a southwest wind 28 to 31 mph, with gusts as high as 44 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of rain and snow before 3am, then a chance of snow. Mostly cloudy, with a low around 33. Breezy, with a southwest wind 23 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
Rain likely, possibly mixed with snow, becoming all rain after 3pm. Mostly cloudy, with a high near 38. Breezy, with a southwest wind 22 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
Rain and snow likely, becoming all snow after 3am. Mostly cloudy, with a low around 28. Breezy, with a southwest wind 20 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely. Mostly cloudy, with a high near 31. Southwest wind 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 18. West southwest wind 13 to 17 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 29. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 31 mph.
Sunday Night
Mostly cloudy, with a low around 19. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 31 mph.
Monday
Mostly cloudy, with a high near 32.
Monday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 25.
Tuesday
Snow likely. Mostly cloudy, with a high near 33.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 24. Breezy.
Wednesday
Snow likely. Mostly cloudy, with a high near 28. 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)
4:47 am MDT Mar 19, 2026
11am MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
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Additional Resources

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