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

MANY GLACIER (MANM8)

Lat: 48.79698°NLon: 113.6705°WElev: 4900.0ft.

NA

43°F

6°C

Humidity 80%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 19 Mar 05:00 AM MDT
Extended Forecast for

12 Miles W St Mary MT

High Wind Watch March 20, 06:00am until March 21, 12:00pm
High Wind Warning March 19, 06:07am until March 20, 12:00am
Click here for hazard details and duration
High Wind Watch
High Wind Warning
  •  
    High Wind Warning March 19, 06:07am until March 20, 12:00am

    NOW until 12:00am Fri

    High Wind Warning

  • Today

    High: 44 °F

    Windy. Partly
    Sunny then
    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow before 4am, then a chance of rain between 4am and 5am, then a chance of rain and snow after 5am.  Mostly cloudy, with a low around 38. Breezy, with a southwest wind 24 to 29 mph, with gusts as high as 46 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 38 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday

    Friday: A chance of rain and snow before noon, then rain likely.  Mostly cloudy, with a high near 45. Windy, with a southwest wind 24 to 31 mph, with gusts as high as 50 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow and
    Breezy then
    Rain Likely
    and Windy

  • Friday Night

    Friday Night: Rain likely.  Mostly cloudy, with a low around 34. Windy, with a southwest wind 24 to 31 mph, with gusts as high as 49 mph.  Chance of precipitation is 70%.

    Low: 34 °F

    Rain Likely
    and Windy

  • Saturday

    Saturday: Rain likely, possibly mixed with snow, becoming all snow after 9am.  Mostly cloudy, with a high near 38. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 40 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Rain/Snow
    Likely and
    Breezy then
    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight.  Partly cloudy, with a low around 23. West southwest wind 13 to 18 mph, with gusts as high as 32 mph.  New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 36. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 39 mph.

    High: 36 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. Breezy, with a west southwest wind 14 to 24 mph, with gusts as high as 40 mph.

    Low: 24 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Today
A chance of rain and snow, mainly between noon and 5pm. Partly sunny, with a high near 44. Windy, with a southwest wind 31 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow before 4am, then a chance of rain between 4am and 5am, then a chance of rain and snow after 5am. Mostly cloudy, with a low around 38. Breezy, with a southwest wind 24 to 29 mph, with gusts as high as 46 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A chance of rain and snow before noon, then rain likely. Mostly cloudy, with a high near 45. Windy, with a southwest wind 24 to 31 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday Night
Rain likely. Mostly cloudy, with a low around 34. Windy, with a southwest wind 24 to 31 mph, with gusts as high as 49 mph. Chance of precipitation is 70%.
Saturday
Rain likely, possibly mixed with snow, becoming all snow after 9am. Mostly cloudy, with a high near 38. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 23. West southwest wind 13 to 18 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Sunday
Sunny, with a high near 36. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 39 mph.
Sunday Night
Mostly cloudy, with a low around 24. Breezy, with a west southwest wind 14 to 24 mph, with gusts as high as 40 mph.
Monday
Mostly cloudy, with a high near 39.
Monday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 29.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 40. Breezy.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 31. Breezy.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 36. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W St Mary MT
 48.76°N 113.7°W (Elev. 5033 ft)
4:47 am MDT Mar 19, 2026
6am MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database