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

35°F

2°C

Humidity 94%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 18 Oct 02:12 AM MDT
Extended Forecast for

16 Miles W St Mary MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. Light southeast wind.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55. Calm wind becoming south southwest around 5 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. Light southeast wind.
Sunday
Sunny, with a high near 55. Calm wind becoming south southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 37. Calm wind.
Monday
Mostly sunny, with a high near 62. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 40. Calm wind.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Rain likely. Mostly cloudy, with a low around 39.
Friday
Rain and snow likely. Mostly cloudy, with a high near 49.
Friday Night
Rain and snow likely. Snow level 5700 feet lowering to 4400 feet after midnight . Mostly cloudy, with a low around 32.
Saturday
A slight chance of rain and snow. Snow level 3900 feet rising to 4900 feet in the afternoon. Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W St Mary MT
 48.75°N 113.79°W (Elev. 3799 ft)
Last Update:
2:01 am MDT Oct 18, 2026
Forecast Valid:
2am MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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