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Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

48°F

9°C

Humidity 53%
Wind Speed NA 19 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 19 Mar 12:10 AM MDT
Extended Forecast for

St Mary MT

High Wind Warning March 19, 12:39am until March 20, 12:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning March 19, 12:39am until March 20, 12:00am

    NOW until 12:00am Fri

    High Wind Warning

  • Overnight

    Low: 48 °F

    Slight Chance
    Rain and
    Windy

  • Thursday

    Thursday: Mostly sunny, with a high near 53. Windy, with a west southwest wind 25 to 33 mph, with gusts as high as 55 mph.

    High: 53 °F

    Mostly Sunny
    and Windy

  • Thursday Night

    Thursday Night: A slight chance of rain before midnight, then a chance of rain after 3am. Partly cloudy, with a low around 44. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 46 mph. Chance of precipitation is 30%.

    Low: 44 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: A 50 percent chance of rain. Partly sunny, with a high near 55. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 55 mph.

    High: 55 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 39. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 50 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely
    and Breezy

  • Saturday

    Saturday: A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then a chance of snow after noon. Partly sunny, with a high near 46. West southwest wind 13 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 27. West wind 6 to 11 mph, with gusts as high as 26 mph.

    Low: 27 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 44. West southwest wind 7 to 15 mph, with gusts as high as 32 mph.

    High: 44 °F

    Sunny

Detailed Forecast

Overnight
A slight chance of rain between 2am and 4am. Partly cloudy, with a steady temperature around 48. Windy, with a west southwest wind 29 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 53. Windy, with a west southwest wind 25 to 33 mph, with gusts as high as 55 mph.
Thursday Night
A slight chance of rain before midnight, then a chance of rain after 3am. Partly cloudy, with a low around 44. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 46 mph. Chance of precipitation is 30%.
Friday
A 50 percent chance of rain. Partly sunny, with a high near 55. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 55 mph.
Friday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 39. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 50 mph. Chance of precipitation is 60%.
Saturday
A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then a chance of snow after noon. Partly sunny, with a high near 46. West southwest wind 13 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 27. West wind 6 to 11 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 44. West southwest wind 7 to 15 mph, with gusts as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 50.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
Last Update:
12:32 am MDT Mar 19, 2026
Forecast Valid:
12am MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation