Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

43°F

6°C

Humidity 30%
Wind Speed NA 10 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 01 Mar 04:10 PM MST
Extended Forecast for

St Mary MT

  • Tonight

    Tonight: Mostly clear, with a low around 30. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 31 mph.

    Low: 30 °F

    Clear and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50. Southwest wind 14 to 18 mph, with gusts as high as 25 mph.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 32 mph.

    Low: 34 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Breezy, with a southwest wind 23 to 28 mph, with gusts as high as 39 mph.

    High: 48 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow between 11pm and 2am, then a slight chance of rain after 2am.  Mostly cloudy, with a low around 35. Southwest wind 10 to 14 mph, with gusts as high as 31 mph.  Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm.  Mostly cloudy, with a high near 44. West southwest wind 9 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm, then a chance of rain and snow between 8pm and 11pm, then a slight chance of snow after 11pm.  Mostly cloudy, with a low around 32. West southwest wind around 14 mph, with gusts as high as 31 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: A chance of snow, mainly after 11am.  Partly sunny, with a high near 41. West southwest wind 14 to 16 mph, with gusts as high as 31 mph.

    High: 41 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 30. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 31 mph.
Monday
Sunny, with a high near 50. Southwest wind 14 to 18 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 34. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 32 mph.
Tuesday
Partly sunny, with a high near 48. Breezy, with a southwest wind 23 to 28 mph, with gusts as high as 39 mph.
Tuesday Night
A slight chance of rain and snow between 11pm and 2am, then a slight chance of rain after 2am. Mostly cloudy, with a low around 35. Southwest wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Mostly cloudy, with a high near 44. West southwest wind 9 to 14 mph, with gusts as high as 28 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 slight chance of snow after 11pm. Mostly cloudy, with a low around 32. West southwest wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A chance of snow, mainly after 11am. Partly sunny, with a high near 41. West southwest wind 14 to 16 mph, with gusts as high as 31 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 29.
Friday
A chance of snow, mainly after 11am. Partly sunny, with a high near 40.
Friday Night
A chance of snow. Mostly cloudy, with a low around 31.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 42. Breezy.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Sunday
Snow likely. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
4:36 pm MST Mar 1, 2026
5pm MST Mar 1, 2026-6pm MDT Mar 8, 2026
 
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