Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

Lat: 48.74111°NLon: 113.43306°WElev: 4550.0ft.

NA

63°F

17°C

Humidity 32%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 17 Jun 08:10 AM MDT
Extended Forecast for

St Mary MT

  • Today

    Today: Sunny, with a high near 75. West southwest wind 8 to 11 mph, with gusts as high as 24 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Southwest wind 6 to 11 mph, with gusts as high as 24 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74. West southwest wind 6 to 14 mph, with gusts as high as 28 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. West southwest wind 10 to 14 mph, with gusts as high as 28 mph.

    Low: 47 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 74. West southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. Southwest wind 5 to 7 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 65. Light and variable wind becoming northeast 5 to 8 mph in the morning.  Chance of precipitation is 70%.

    High: 65 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Cloudy, with a low around 41. West wind around 6 mph.

    Low: 41 °F

    Showers

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after noon.  Cloudy, with a high near 54.

    High: 54 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 75. West southwest wind 8 to 11 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 46. Southwest wind 6 to 11 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 74. West southwest wind 6 to 14 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 47. West southwest wind 10 to 14 mph, with gusts as high as 28 mph.
Juneteenth
Mostly sunny, with a high near 74. West southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 45. Southwest wind 5 to 7 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 65. Light and variable wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 41. West wind around 6 mph.
Saturday
Showers likely, then showers and possibly a thunderstorm after noon. Cloudy, with a high near 54.
Saturday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 34.
Sunday
Showers. Mostly cloudy, with a high near 50.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 33.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
8:53 am MDT Jun 17, 2025
9am MDT Jun 17, 2025-6pm MDT Jun 23, 2025
 
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Additional Resources

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