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

Logan Pass Visitors Center (LGPVC)

Lat: 48.6949°NLon: 113.7169°WElev: 6775.0ft.

NA

19°F

-7°C

Humidity 92%
Wind Speed NW 4 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill13°F (-11°C)
Last update 13 Mar 05:00 PM MDT
Extended Forecast for

10 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 50 percent chance of snow after 9pm.  Widespread blowing snow, mainly after 4am. Mostly cloudy, with a low around 9. Wind chill values as low as -10. Windy, with a west southwest wind 23 to 33 mph, with gusts as high as 41 mph.  Total nighttime snow accumulation of less than one inch possible.

    Low: 9 °F

    Chance Snow
    and Blowing
    Snow

  • Monday

    Monday: A 50 percent chance of snow.  Widespread blowing snow before noon. Cloudy, with a high near 29. Wind chill values as low as -5. Windy, with a west southwest wind 37 to 40 mph, with gusts as high as 55 mph.  New snow accumulation of around an inch possible.

    High: 29 °F

    Chance Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 27. Very windy, with a southwest wind 39 to 48 mph, with gusts as high as 60 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Snow Likely
    and Windy
    then Chance
    Snow and Very
    Windy

  • Tuesday

    Tuesday: A 40 percent chance of snow, mainly after noon.  Mostly cloudy, with a high near 31. Very windy, with a west southwest wind 38 to 46 mph, with gusts as high as 60 mph.  New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: Snow likely.  Cloudy, with a low around 30. Windy, with a west southwest wind 34 to 38 mph, with gusts as high as 48 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Snow Likely
    and Windy

  • Wednesday

    Wednesday: A 50 percent chance of snow.  Mostly cloudy, with a high near 33. Windy, with a west southwest wind 36 to 38 mph, with gusts as high as 50 mph.  New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow
    and Windy

  • Wednesday Night

    Wednesday Night: A chance of rain before 9pm, then a chance of rain and snow.  Mostly cloudy, with a low around 32. Windy, with a southwest wind 28 to 31 mph, with gusts as high as 49 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow and
    Windy

  • Thursday

    Thursday: A chance of rain before 9am, then a chance of rain and snow.  Mostly cloudy, with a high near 37. Windy, with a west southwest wind 28 to 33 mph, with gusts as high as 55 mph.

    High: 37 °F

    Chance
    Rain/Snow and
    Windy

  • Thursday Night

    Thursday Night: A chance of rain and snow.  Mostly cloudy, with a low around 32. Windy.

    Low: 32 °F

    Chance
    Rain/Snow and
    Windy

Detailed Forecast

Tonight
A 50 percent chance of snow after 9pm. Widespread blowing snow, mainly after 4am. Mostly cloudy, with a low around 9. Wind chill values as low as -10. Windy, with a west southwest wind 23 to 33 mph, with gusts as high as 41 mph. Total nighttime snow accumulation of less than one inch possible.
Monday
A 50 percent chance of snow. Widespread blowing snow before noon. Cloudy, with a high near 29. Wind chill values as low as -5. Windy, with a west southwest wind 37 to 40 mph, with gusts as high as 55 mph. New snow accumulation of around an inch possible.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 27. Very windy, with a southwest wind 39 to 48 mph, with gusts as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday
A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 31. Very windy, with a west southwest wind 38 to 46 mph, with gusts as high as 60 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow likely. Cloudy, with a low around 30. Windy, with a west southwest wind 34 to 38 mph, with gusts as high as 48 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 33. Windy, with a west southwest wind 36 to 38 mph, with gusts as high as 50 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 32. Windy, with a southwest wind 28 to 31 mph, with gusts as high as 49 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A chance of rain before 9am, then a chance of rain and snow. Mostly cloudy, with a high near 37. Windy, with a west southwest wind 28 to 33 mph, with gusts as high as 55 mph.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Windy.
Friday
Rain and snow likely. Mostly cloudy, with a high near 36. Breezy.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 29. Breezy.
Saturday
A chance of snow. Mostly cloudy, with a high near 38. Breezy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 21. Breezy.
Sunday
A slight chance of snow. Mostly sunny, with a high near 32. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W St Mary MT
 48.72°N 113.66°W (Elev. 8760 ft)
5:17 pm MDT Mar 15, 2026
5pm MDT Mar 15, 2026-6pm MDT Mar 22, 2026
 
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Additional Resources

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