Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Current conditions at

ST. MARY (SRYM8)

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

NA

78°F

26°C

Humidity 24%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Heat Index78°F (26°C)
Last update 29 Sep 05:11 PM MDT
Extended Forecast for

St Mary MT

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 1am.  Patchy smoke before 10pm. Mostly cloudy, with a low around 47. South southwest wind around 7 mph.

    Low: 47 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely before 2pm, then a slight chance of showers after 5pm.  Mostly cloudy, with a high near 62. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 42. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers.  Partly sunny, with a high near 59. Southwest wind 8 to 14 mph, with gusts as high as 28 mph.

    High: 59 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 57. West southwest wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35. West southwest wind around 11 mph, with gusts as high as 24 mph.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58. West southwest wind 9 to 13 mph, with gusts as high as 24 mph.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before 1am. Patchy smoke before 10pm. Mostly cloudy, with a low around 47. South southwest wind around 7 mph.
Tuesday
Showers likely before 2pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 62. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 42. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 59. Southwest wind 8 to 14 mph, with gusts as high as 28 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 23 mph.
Thursday
Partly sunny, with a high near 57. West southwest wind 9 to 14 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 35. West southwest wind around 11 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 58. West southwest wind 9 to 13 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 35.
Saturday
A chance of showers, mainly after noon. Partly sunny, with a high near 54.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 47.
Sunday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 25.
Monday
Sunny, with a high near 52.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
5:24 pm MDT Sep 29, 2025
5pm MDT Sep 29, 2025-6pm MDT Oct 6, 2025
 
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Additional Resources

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