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

Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast Friday

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. Damaging hurricane-force winds and life-threatening storm surge impacts are expected Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >

Current conditions at

WEST GLACIER (WGRM8)

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

NA

42°F

6°C

Humidity 98%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 07 Oct 11:12 PM MDT
Extended Forecast for

16 Miles WSW St Mary MT

  • Tonight

    Tonight: Mostly clear, with a low around 40. South southwest wind around 9 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 50. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. Southwest wind 11 to 18 mph, with gusts as high as 22 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 38 mph.

    High: 47 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 26. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Breezy.
    Rain/Snow
    Likely then
    Snow Likely

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 30 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Snow. Low around 16. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 20.

    High: 20 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A slight chance of snow before midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 40. South southwest wind around 9 mph.
Thursday
Mostly sunny, with a high near 50. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 42. Southwest wind 11 to 18 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 47. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 38 mph.
Friday Night
Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 26. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday Night
Snow. Low around 16. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday
A chance of snow. Mostly cloudy, with a high near 20.
Sunday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 18.
Columbus Day
Sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 29.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles WSW St Mary MT
 48.69°N 113.78°W (Elev. 8153 ft)
Last Update:
2:00 pm MDT Oct 7, 2026
Forecast Valid:
11pm MDT Oct 7, 2026-6pm MDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation