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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

WEST GLACIER (WGRM8)

Lat: 48.51061°NLon: 113.99677°WElev: 3165.0ft.

NA

62°F

17°C

Humidity 43%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 17 Oct 01:12 PM MDT
Extended Forecast for

15 Miles WSW St Mary MT

  • This Afternoon

    This Afternoon: Sunny early, then becoming mostly cloudy, with a high near 45. Windy, with a west southwest wind around 33 mph, with gusts as high as 50 mph.

    High: 45 °F

    Mostly Cloudy
    and Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Breezy, with a west southwest wind 19 to 29 mph decreasing to 7 to 17 mph. Winds could gust as high as 46 mph.

    Low: 30 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 41. West southwest wind 6 to 9 mph.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. South southwest wind 5 to 7 mph.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 47. Southwest wind 6 to 10 mph.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny early, then becoming mostly cloudy, with a high near 45. Windy, with a west southwest wind around 33 mph, with gusts as high as 50 mph.
Tonight
Partly cloudy, with a low around 30. Breezy, with a west southwest wind 19 to 29 mph decreasing to 7 to 17 mph. Winds could gust as high as 46 mph.
Sunday
Sunny, with a high near 41. West southwest wind 6 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 32. South southwest wind 5 to 7 mph.
Monday
Partly sunny, with a high near 47. Southwest wind 6 to 10 mph.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Sunny, with a high near 46.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Friday
Rain and snow likely. Snow level 7900 feet lowering to 6800 feet in the afternoon . Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles WSW St Mary MT
 48.67°N 113.74°W (Elev. 6401 ft)
Last Update:
12:22 pm MDT Oct 17, 2026
Forecast Valid:
1pm MDT Oct 17, 2026-6pm MDT Oct 23, 2026
 
Forecast Discussion
 
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