National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

Logan Pass Visitors Center (LGPVC)

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

NA

14°F

-10°C

Humidity 80%
Wind Speed W 11 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 9°F (-13°C)
Visibility NA
Wind Chill1°F (-17°C)
Last update 10 Mar 01:00 AM MDT
Extended Forecast for

9 Miles SW St Mary MT

Winter Storm Watch March 11, 06:00pm until March 13, 06:00pm
High Wind Watch March 11, 06:00pm until March 12, 06:00pm
Click here for hazard details and duration
Winter Storm Watch
High Wind Watch

  • Overnight

    Overnight: Snow likely, mainly after 5am. Patchy blowing snow. Mostly cloudy, with a low around 9. Wind chill values as low as -10. Southwest wind around 18 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

    Low: 9 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Snow, mainly before 3pm. High near 16. Wind chill values as low as -10. Breezy, with a west wind 18 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 16 °F

    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 5am. Mostly cloudy, with a low around 11. Wind chill values as low as -10. Breezy, with a southwest wind 24 to 28 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 11 °F

    Snow Likely
    and Breezy

  • Wednesday

    Wednesday: Snow. High near 24. Wind chill values as low as -10. Windy, with a west southwest wind 29 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 24 °F

    Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Widespread blowing snow. Low around 22. Very windy, with a west southwest wind 31 to 36 mph increasing to 44 to 49 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    Low: 22 °F

    Heavy Snow
    and Blowing
    Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. Widespread blowing snow. High near 25. Very windy, with a west southwest wind 47 to 55 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 25 °F

    Heavy Snow
    and Blowing
    Snow

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Low around 19. Windy, with a west southwest wind 33 to 38 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 19 °F

    Heavy Snow
    and Windy

  • Friday

    Friday: Snow. The snow could be heavy at times. Cloudy, with a high near 22. Breezy, with a west southwest wind around 22 mph, with gusts as high as 33 mph.

    High: 22 °F

    Heavy Snow
    and Breezy

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 9. Breezy.

    Low: 9 °F

    Heavy Snow
    and Breezy

Detailed Forecast

Overnight
Snow likely, mainly after 5am. Patchy blowing snow. Mostly cloudy, with a low around 9. Wind chill values as low as -10. Southwest wind around 18 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Snow, mainly before 3pm. High near 16. Wind chill values as low as -10. Breezy, with a west wind 18 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow likely, mainly after 5am. Mostly cloudy, with a low around 11. Wind chill values as low as -10. Breezy, with a southwest wind 24 to 28 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow. High near 24. Wind chill values as low as -10. Windy, with a west southwest wind 29 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Widespread blowing snow. Low around 22. Very windy, with a west southwest wind 31 to 36 mph increasing to 44 to 49 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Thursday
Snow. The snow could be heavy at times. Widespread blowing snow. High near 25. Very windy, with a west southwest wind 47 to 55 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 19. Windy, with a west southwest wind 33 to 38 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Friday
Snow. The snow could be heavy at times. Cloudy, with a high near 22. Breezy, with a west southwest wind around 22 mph, with gusts as high as 33 mph.
Friday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 9. Breezy.
Saturday
Snow. The snow could be heavy at times. Cloudy, with a high near 16.
Saturday Night
Snow likely. Mostly cloudy, with a low around 5.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 19. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 17. Breezy.
Monday
A chance of snow. Mostly cloudy, with a high near 32. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW St Mary MT
 48.64°N 113.58°W (Elev. 8199 ft)
Last Update:
12:32 am MDT Mar 10, 2026
Forecast Valid:
1am MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
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