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Winter Weather in the Eastern U.S.; Fire Weather in the Southern High Plains

A wintry mix may impact travel across portions of the Ohio Valley, central Appalachians, Mid-Atlantic, and Northeast U.S. today through Tuesday. Gusty winds and low relative humidity will bring elevated to critical fire weather to northeastern New Mexico and southeastern Colorado today and Tuesday. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

46°F

8°C

Humidity 25%
Wind Speed NA 8 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 02 Mar 12:10 PM MST
Extended Forecast for

St Mary MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 51. Southwest wind around 10 mph, with gusts as high as 23 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Southwest wind around 11 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. Southwest wind 11 to 15 mph, with gusts as high as 33 mph.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 11pm, mixing with snow after 2am. Mostly cloudy, with a low around 36. Southwest wind 9 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 45. Southwest wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm, then a chance of rain and snow between 8pm and 11pm, then a chance of snow after 11pm. Mostly cloudy, with a low around 31. West southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 43. West southwest wind 11 to 15 mph, with gusts as high as 31 mph. Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 30. West southwest wind 11 to 14 mph, with gusts as high as 28 mph.

    Low: 30 °F

    Chance Snow

  • Friday

    Friday: A slight chance of snow before 11am. Mostly sunny, with a high near 41.

    High: 41 °F

    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 51. Southwest wind around 10 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 34. Southwest wind around 11 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 50. Southwest wind 11 to 15 mph, with gusts as high as 33 mph.
Tuesday Night
A slight chance of rain after 11pm, mixing with snow after 2am. Mostly cloudy, with a low around 36. Southwest wind 9 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 45. Southwest wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain before 8pm, then a chance of rain and snow between 8pm and 11pm, then a chance of snow after 11pm. Mostly cloudy, with a low around 31. West southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 43. West southwest wind 11 to 15 mph, with gusts as high as 31 mph. Little or no snow accumulation expected.
Thursday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 30. West southwest wind 11 to 14 mph, with gusts as high as 28 mph.
Friday
A slight chance of snow before 11am. Mostly sunny, with a high near 41.
Friday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 32. Breezy.
Saturday
A chance of rain and snow. Partly sunny, with a high near 44. Breezy.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 36. Breezy.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 45. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
Last Update:
11:31 am MST Mar 2, 2026
Forecast Valid:
12pm MST Mar 2, 2026-6pm MDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation