Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. 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 through tonight, moving into the Mid-Atlantic Monday. 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
  • Overnight

    Overnight: A 40 percent chance of snow, mainly after 3am.  Widespread blowing snow, mainly after 3am. Cloudy, with a low around 7. Wind chill values as low as -15. Windy, with a west southwest wind 31 to 34 mph, with gusts as high as 44 mph.  Total nighttime snow accumulation of less than one inch possible.

    Low: 7 °F

    Chance Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow likely, mainly after 1pm.  Widespread blowing snow before noon. Cloudy, with a high near 30. Wind chill values as low as -10. Windy, with a west southwest wind 36 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: 30 °F

    Chance Snow
    and Blowing
    Snow then
    Snow Likely
    and Windy

  • Monday Night

    Monday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 27. Very windy, with a west southwest wind 39 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

    Very Windy.
    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: A 30 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 one inch possible.

    High: 31 °F

    Chance Snow
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight.  Mostly cloudy, with a low around 30. Windy, with a west southwest wind 37 to 40 mph, with gusts as high as 55 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Snow Likely
    and Windy

  • Wednesday

    Wednesday: A 50 percent chance of snow.  Mostly cloudy, with a high near 32. Windy, with a west southwest wind 37 to 40 mph, with gusts as high as 55 mph.  New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow
    and Windy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 31. Windy, with a southwest wind around 38 mph, with gusts as high as 49 mph.  New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    and Windy

  • Thursday

    Thursday: A chance of snow.  Mostly cloudy, with a high near 37. Windy, with a west southwest wind 34 to 38 mph, with gusts as high as 55 mph.

    High: 37 °F

    Chance Snow
    and Windy

  • Thursday Night

    Thursday Night: A chance of rain before 9pm, then a chance of rain and snow.  Mostly cloudy, with a low around 33. Windy.

    Low: 33 °F

    Chance
    Rain/Snow and
    Windy

Detailed Forecast

Overnight
A 40 percent chance of snow, mainly after 3am. Widespread blowing snow, mainly after 3am. Cloudy, with a low around 7. Wind chill values as low as -15. Windy, with a west southwest wind 31 to 34 mph, with gusts as high as 44 mph. Total nighttime snow accumulation of less than one inch possible.
Monday
Snow likely, mainly after 1pm. Widespread blowing snow before noon. Cloudy, with a high near 30. Wind chill values as low as -10. Windy, with a west southwest wind 36 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. Mostly cloudy, with a low around 27. Very windy, with a west southwest wind 39 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 30 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 one inch possible.
Tuesday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 30. Windy, with a west southwest wind 37 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 32. Windy, with a west southwest wind 37 to 40 mph, with gusts as high as 55 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 31. Windy, with a southwest wind around 38 mph, with gusts as high as 49 mph. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow. Mostly cloudy, with a high near 37. Windy, with a west southwest wind 34 to 38 mph, with gusts as high as 55 mph.
Thursday Night
A chance of rain before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 33. Windy.
Friday
Rain and snow likely. Mostly cloudy, with a high near 35. Breezy.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 27. Breezy.
Saturday
Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 31. Breezy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 19. Breezy.
Sunday
A slight chance of snow. Mostly sunny, with a high near 28. 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)
12:41 am MDT Mar 16, 2026
2am MDT Mar 16, 2026-6pm MDT Mar 22, 2026
 
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Additional Resources

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