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

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

Lat: 48.74111°NLon: 113.43306°WElev: 4550.0ft.

NA

54°F

12°C

Humidity 32%
Wind Speed NA 22 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 19 Mar 11:10 AM MDT
Extended Forecast for

5 Miles WSW St Mary MT

High Wind Watch March 20, 06:00am until March 21, 12:00pm
High Wind Warning March 19, 11:53am until March 20, 12:00am
Click here for hazard details and duration
High Wind Watch
High Wind Warning
  •  
    High Wind Warning March 19, 11:53am until March 20, 12:00am

    NOW until 12:00am Fri

    High Wind Warning

  • Today

    High: 39 °F

    Slight Chance
    Rain and Very
    Windy

  • Tonight

    Tonight: A 50 percent chance of rain after 2am.  Mostly cloudy, with a low around 35. Windy, with a west southwest wind 37 to 44 mph, with gusts as high as 75 mph.

    Low: 35 °F

    Chance Rain
    and Windy

  • Friday

    Friday: Rain likely, mainly after 5pm.  Partly sunny, with a high near 41. Windy, with a west southwest wind 34 to 41 mph, with gusts as high as 70 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 41 °F

    Rain Likely
    and Windy

  • Friday Night

    Friday Night: Rain likely before midnight, then rain likely, possibly mixed with snow.  Mostly cloudy, with a low around 30. Windy, with a west southwest wind 33 to 38 mph decreasing to 26 to 31 mph after midnight. Winds could gust as high as 70 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Windy. Rain
    Likely then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A 50 percent chance of snow.  Partly sunny, with a high near 33. Windy, with a west southwest wind 23 to 30 mph, with gusts as high as 50 mph.  New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Chance Snow
    and Windy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 20. Breezy, with a west wind 15 to 23 mph, with gusts as high as 40 mph.

    Low: 20 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 31. Breezy, with a west southwest wind 16 to 21 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 48 mph.

    High: 31 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22. Windy, with a west southwest wind 25 to 30 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 50 mph.

    Low: 22 °F

    Partly Cloudy
    and Windy
    then Mostly
    Cloudy

Detailed Forecast

Today
A slight chance of rain between 1pm and 5pm. Mostly sunny, with a high near 39. Very windy, with a west southwest wind 46 to 48 mph, with gusts as high as 80 mph. Chance of precipitation is 20%.
Tonight
A 50 percent chance of rain after 2am. Mostly cloudy, with a low around 35. Windy, with a west southwest wind 37 to 44 mph, with gusts as high as 75 mph.
Friday
Rain likely, mainly after 5pm. Partly sunny, with a high near 41. Windy, with a west southwest wind 34 to 41 mph, with gusts as high as 70 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely before midnight, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 30. Windy, with a west southwest wind 33 to 38 mph decreasing to 26 to 31 mph after midnight. Winds could gust as high as 70 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
A 50 percent chance of snow. Partly sunny, with a high near 33. Windy, with a west southwest wind 23 to 30 mph, with gusts as high as 50 mph. 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 20. Breezy, with a west wind 15 to 23 mph, with gusts as high as 40 mph.
Sunday
Sunny, with a high near 31. Breezy, with a west southwest wind 16 to 21 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 48 mph.
Sunday Night
Partly cloudy, with a low around 22. Windy, with a west southwest wind 25 to 30 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 50 mph.
Monday
Partly sunny, with a high near 34. Breezy.
Monday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 27. Breezy.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 36. Windy.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 27. Windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 31. Windy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW St Mary MT
 48.73°N 113.53°W (Elev. 6778 ft)
11:17 am MDT Mar 19, 2026
11am MDT Mar 19, 2026-6pm MDT Mar 25, 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