Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

WEST GLACIER (WGRM8)

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

NA

76°F

24°C

Humidity 23%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Heat Index77°F (25°C)
Last update 16 Jun 08:12 PM MDT
Extended Forecast for

15 Miles WSW St Mary MT

Wind Advisory until June 16, 10:00pm
Click here for hazard details and duration
...
  •  
    Wind Advisory until June 16, 10:00pm

    NOW until 10:00pm Tue

    Wind Advisory

  • Tonight

    Low: 41 °F

    Chance Rain
    then Mostly
    Clear

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 3pm.  Snow level 7300 feet rising to 8900 feet in the afternoon. Increasing clouds, with a high near 54. West wind 6 to 9 mph.  Chance of precipitation is 70%.

    High: 54 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 9pm, then rain between 9pm and midnight.  Low around 40. North wind 6 to 9 mph becoming east after midnight.  Chance of precipitation is 80%.

    Low: 40 °F

    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 56. South wind around 7 mph becoming west in the afternoon.

    High: 56 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Northwest wind 8 to 10 mph.

    Low: 40 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of rain before midnight. Snow level 9800 feet lowering to 7400 feet after midnight . Partly cloudy, with a low around 41. Northwest wind 6 to 14 mph, with gusts as high as 25 mph.
Wednesday
Showers likely and possibly a thunderstorm after 3pm. Snow level 7300 feet rising to 8900 feet in the afternoon. Increasing clouds, with a high near 54. West wind 6 to 9 mph. Chance of precipitation is 70%.
Wednesday Night
Showers and possibly a thunderstorm before 9pm, then rain between 9pm and midnight. Low around 40. North wind 6 to 9 mph becoming east after midnight. Chance of precipitation is 80%.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56. South wind around 7 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 40. Northwest wind 8 to 10 mph.
Juneteenth
Mostly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 44.
Sunday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 53.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 39.
Monday
A chance of rain and thunderstorms. Mostly sunny, with a high near 55.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 61.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles WSW St Mary MT
 48.69°N 113.75°W (Elev. 6762 ft)
2:01 pm MDT Jun 16, 2026
9pm MDT Jun 16, 2026-6pm MDT Jun 23, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database