Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

WEST GLACIER (WGRM8)

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

NA

57°F

14°C

Humidity 93%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 16 Aug 12:12 AM MDT
Extended Forecast for

16 Miles W St Mary MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. South southwest wind around 6 mph.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 72. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. Southwest wind 6 to 11 mph, with gusts as high as 24 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. Southwest wind 3 to 8 mph.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. South southwest wind around 6 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 72. Southwest wind 6 to 13 mph, with gusts as high as 23 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 54. Southwest wind 6 to 11 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 53. Southwest wind 3 to 8 mph.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 52.
Friday
Mostly sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W St Mary MT
 48.75°N 113.79°W (Elev. 7348 ft)
2:30 pm MDT Aug 15, 2025
2am MDT Aug 16, 2025-6pm MDT Aug 22, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database