Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. 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 SW St Mary MT

  • Overnight

    Overnight: Mostly clear, with a low around 0. Wind chill values as low as -15. West southwest wind 7 to 9 mph.

    Low: 0 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 16. Wind chill values as low as -15. Breezy, with a west southwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 16 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly after 11pm.  Patchy blowing snow after midnight. Mostly cloudy, with a temperature rising to around 18 by 4am. Wind chill values as low as -5. Windy, with a southwest wind 21 to 31 mph, with gusts as high as 40 mph.  New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday

    Monday: Snow likely.  Widespread blowing snow before noon. Cloudy, with a high near 32. Wind chill values as low as zero. Windy, with a southwest wind 33 to 40 mph, with gusts as high as 55 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Likely
    and Blowing
    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 30. Very windy, with a southwest wind 41 to 49 mph, with gusts as high as 70 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Snow Likely
    and Very
    Windy

  • Tuesday

    Tuesday: A 50 percent chance of snow.  Mostly cloudy, with a high near 35. Very windy, with a west southwest wind 41 to 50 mph, with gusts as high as 70 mph.  New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: Snow likely.  Mostly cloudy, with a low around 33. Windy, with a west southwest wind around 37 mph, with gusts as high as 50 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Snow Likely
    and Windy

  • Wednesday

    Wednesday: A chance of snow before 3pm, then a chance of rain and snow.  Mostly cloudy, with a high near 36. Windy, with a west southwest wind 33 to 36 mph, with gusts as high as 49 mph.

    High: 36 °F

    Windy. Chance
    Snow then
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely.  Mostly cloudy, with a low around 35. Windy.

    Low: 35 °F

    Rain/Snow
    Likely and
    Windy

Detailed Forecast

Overnight
Mostly clear, with a low around 0. Wind chill values as low as -15. West southwest wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 16. Wind chill values as low as -15. Breezy, with a west southwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
A 40 percent chance of snow, mainly after 11pm. Patchy blowing snow after midnight. Mostly cloudy, with a temperature rising to around 18 by 4am. Wind chill values as low as -5. Windy, with a southwest wind 21 to 31 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.
Monday
Snow likely. Widespread blowing snow before noon. Cloudy, with a high near 32. Wind chill values as low as zero. Windy, with a southwest wind 33 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 30. Very windy, with a southwest wind 41 to 49 mph, with gusts as high as 70 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 35. Very windy, with a west southwest wind 41 to 50 mph, with gusts as high as 70 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 33. Windy, with a west southwest wind around 37 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 3pm, then a chance of rain and snow. Mostly cloudy, with a high near 36. Windy, with a west southwest wind 33 to 36 mph, with gusts as high as 49 mph.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 35. Windy.
Thursday
A chance of rain and snow before noon, then a chance of rain. Mostly cloudy, with a high near 39. Windy.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Windy.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 42. Breezy.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Breezy.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 43. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SW St Mary MT
 48.64°N 113.61°W (Elev. 7448 ft)
12:32 am MDT Mar 15, 2026
2am MDT Mar 15, 2026-6pm MDT Mar 21, 2026
 
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