Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

24°F

-4°C

Humidity 41%
Wind Speed NA 14 MPH
Barometer NA
Dewpoint 3°F (-16°C)
Visibility NA
Wind Chill12°F (-11°C)
Last update 15 Mar 03:10 PM MDT
Extended Forecast for

6 Miles W St Mary MT

Winter Weather Advisory March 16, 03:00am until March 16, 12:00pm
High Wind Warning March 16, 09:00am until March 17, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
High Wind Warning
  • Tonight

    Tonight: A 40 percent chance of snow after 1am.  Patchy blowing snow after midnight. Mostly cloudy, with a low around 14. Wind chill values as low as -5. Breezy, with a west southwest wind 17 to 22 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 46 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday

    Monday: A 40 percent chance of snow, mainly after 4pm.  Patchy blowing snow before noon. Mostly cloudy, with a high near 33. Windy, with a west southwest wind 32 to 40 mph, with gusts as high as 65 mph.  New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 9pm, then a chance of snow.  Mostly cloudy, with a low around 31. Very windy, with a west southwest wind 39 to 46 mph, with gusts as high as 75 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow and
    Very Windy

  • Tuesday

    Tuesday: A slight chance of snow before 3pm, then a slight chance of rain and snow.  Partly sunny, with a high near 37. Windy, with a west southwest wind 34 to 44 mph, with gusts as high as 70 mph.  Chance of precipitation is 20%.

    High: 37 °F

    Windy. Slight
    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow.  Mostly cloudy, with a low around 34. Windy, with a west southwest wind 29 to 32 mph, with gusts as high as 55 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow and
    Windy

  • Wednesday

    Wednesday: A chance of rain and snow, mainly before noon.  Partly sunny, with a high near 39. Windy, with a west southwest wind around 33 mph, with gusts as high as 60 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Rain/Snow and
    Windy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 37. Windy, with a west southwest wind 32 to 39 mph, with gusts as high as 60 mph.

    Low: 37 °F

    Chance Rain
    and Windy

  • Thursday

    Thursday: A chance of rain, mainly before noon.  Partly sunny, with a high near 43. Windy, with a west southwest wind 32 to 40 mph, with gusts as high as 65 mph.

    High: 43 °F

    Chance Rain
    and Windy

  • Thursday Night

    Thursday Night: A chance of rain.  Mostly cloudy, with a low around 37. Windy.

    Low: 37 °F

    Chance Rain
    and Windy

Detailed Forecast

Tonight
A 40 percent chance of snow after 1am. Patchy blowing snow after midnight. Mostly cloudy, with a low around 14. Wind chill values as low as -5. Breezy, with a west southwest wind 17 to 22 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 46 mph. Total nighttime snow accumulation of less than a half inch possible.
Monday
A 40 percent chance of snow, mainly after 4pm. Patchy blowing snow before noon. Mostly cloudy, with a high near 33. Windy, with a west southwest wind 32 to 40 mph, with gusts as high as 65 mph. New snow accumulation of less than a half inch possible.
Monday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 31. Very windy, with a west southwest wind 39 to 46 mph, with gusts as high as 75 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow before 3pm, then a slight chance of rain and snow. Partly sunny, with a high near 37. Windy, with a west southwest wind 34 to 44 mph, with gusts as high as 70 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Windy, with a west southwest wind 29 to 32 mph, with gusts as high as 55 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow, mainly before noon. Partly sunny, with a high near 39. Windy, with a west southwest wind around 33 mph, with gusts as high as 60 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37. Windy, with a west southwest wind 32 to 39 mph, with gusts as high as 60 mph.
Thursday
A chance of rain, mainly before noon. Partly sunny, with a high near 43. Windy, with a west southwest wind 32 to 40 mph, with gusts as high as 65 mph.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37. Windy.
Friday
A chance of rain and snow before 3pm, then a chance of rain. Mostly cloudy, with a high near 42. Breezy.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Windy.
Saturday
A chance of rain and snow. Partly sunny, with a high near 43. Breezy.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 25. Windy.
Sunday
Sunny, with a high near 39. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W St Mary MT
 48.75°N 113.57°W (Elev. 6909 ft)
2:27 pm MDT Mar 15, 2026
4pm MDT Mar 15, 2026-6pm MDT Mar 22, 2026
 
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Additional Resources

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