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

High Wind Watch March 16, 03:00pm until March 17, 06:00pm
Click here for hazard details and duration
High Wind Watch
  • Today

    Today: Mostly sunny, with a high near 12. Wind chill values as low as -25. Breezy, with a west southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 12 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of snow after 10pm.  Widespread blowing snow, mainly after 3am. Increasing clouds, with a low around 10. Wind chill values as low as -10. Windy, with a west southwest wind 23 to 33 mph, with gusts as high as 41 mph.  New snow accumulation of less than one inch possible.

    Low: 10 °F

    Chance Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow likely.  Widespread blowing snow before noon. Cloudy, with a high near 28. Wind chill values as low as -5. Windy, with a southwest wind 34 to 40 mph, with gusts as high as 55 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 28 °F

    Snow Likely
    and Blowing
    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight.  Cloudy, with a low around 27. Very windy, with a southwest wind 41 to 49 mph, with gusts as high as 65 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Snow Likely
    and Very
    Windy

  • Tuesday

    Tuesday: A 50 percent chance of snow.  Mostly cloudy, with a high near 31. Very windy, with a west southwest wind 43 to 49 mph, with gusts as high as 65 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 around 38 mph, with gusts as high as 49 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Snow Likely
    and Windy

  • Wednesday

    Wednesday: Snow likely, mainly before noon.  Cloudy, with a high near 32. Windy, with a west southwest wind 34 to 37 mph, with gusts as high as 49 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely
    and Windy

  • Wednesday Night

    Wednesday Night: Rain and snow likely.  Mostly cloudy, with a low around 32. Breezy, with a southwest wind around 28 mph, with gusts as high as 46 mph.

    Low: 32 °F

    Rain/Snow
    Likely and
    Breezy

  • Thursday

    Thursday: A chance of rain and snow.  Mostly cloudy, with a high near 35. Breezy.

    High: 35 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 12. Wind chill values as low as -25. Breezy, with a west southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 31 mph.
Tonight
A 40 percent chance of snow after 10pm. Widespread blowing snow, mainly after 3am. Increasing clouds, with a low around 10. Wind chill values as low as -10. Windy, with a west southwest wind 23 to 33 mph, with gusts as high as 41 mph. New snow accumulation of less than one inch possible.
Monday
Snow likely. Widespread blowing snow before noon. Cloudy, with a high near 28. Wind chill values as low as -5. Windy, with a southwest wind 34 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Snow likely, mainly before midnight. Cloudy, with a low around 27. Very windy, with a southwest wind 41 to 49 mph, with gusts as high as 65 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 31. Very windy, with a west southwest wind 43 to 49 mph, with gusts as high as 65 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 around 38 mph, with gusts as high as 49 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly before noon. Cloudy, with a high near 32. Windy, with a west southwest wind 34 to 37 mph, with gusts as high as 49 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 32. Breezy, with a southwest wind around 28 mph, with gusts as high as 46 mph.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 35. Breezy.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Windy.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 38. Breezy.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Breezy.
Saturday
A chance of snow. Mostly cloudy, with a high near 39. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W St Mary MT
 48.72°N 113.66°W (Elev. 8760 ft)
3:16 am MDT Mar 15, 2026
8am MDT Mar 15, 2026-6pm MDT Mar 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database