Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Current conditions at

ST. MARY (SRYM8)

Lat: 48.74108°NLon: 113.43289°WElev: 4557.0ft.

NA

80°F

27°C

Humidity 33%
Wind Speed SW 10 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index79°F (26°C)
Last update 12 Aug 01:11 PM MDT
Extended Forecast for

St Mary MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. West southwest wind around 9 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. South southwest wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. West southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight.  Increasing clouds, with a low around 50. West southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 31 mph.

    Low: 50 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 70. North wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50. South southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 70. Southwest wind 5 to 11 mph, with gusts as high as 23 mph.

    High: 70 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of showers after midnight.  Mostly cloudy, with a low around 54. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon.  Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 82. West southwest wind around 9 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 58. South southwest wind 6 to 8 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 84. West southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 36 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Increasing clouds, with a low around 50. West southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 31 mph.
Thursday
Partly sunny, with a high near 70. North wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Thursday Night
Mostly cloudy, with a low around 50. South southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Friday
Mostly cloudy, with a high near 70. Southwest wind 5 to 11 mph, with gusts as high as 23 mph.
Friday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 54. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Saturday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
10:14 am MDT Aug 12, 2025
2pm MDT Aug 12, 2025-6pm MDT Aug 18, 2025
 
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Additional Resources

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