Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

64°F

18°C

Humidity 38%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 29 Sep 10:10 PM MDT
Extended Forecast for

10 Miles SSW St Mary MT

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 2am and 3am.  Mostly cloudy, with a low around 45. South southwest wind around 10 mph.

    Low: 45 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely before 3pm, then a chance of showers after 4pm.  Mostly cloudy, with a high near 48. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%.

    High: 48 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly after midnight.  Mostly cloudy, with a low around 40. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers.  Partly sunny, with a high near 45. West southwest wind around 18 mph, with gusts as high as 31 mph.

    High: 45 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 3am, then a chance of rain and snow showers.  Mostly cloudy, with a low around 37. West southwest wind 14 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of rain and snow showers before noon, then a slight chance of rain showers.  Partly sunny, with a high near 44. West southwest wind 18 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. West southwest wind 15 to 17 mph, with gusts as high as 28 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. West southwest wind around 17 mph, with gusts as high as 26 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly between 2am and 3am. Mostly cloudy, with a low around 45. South southwest wind around 10 mph.
Tuesday
Showers likely before 3pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 48. Southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 40. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 45. West southwest wind around 18 mph, with gusts as high as 31 mph.
Wednesday Night
A chance of rain showers before 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 37. West southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A slight chance of rain and snow showers before noon, then a slight chance of rain showers. Partly sunny, with a high near 44. West southwest wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 34. West southwest wind 15 to 17 mph, with gusts as high as 28 mph.
Friday
Mostly sunny, with a high near 44. West southwest wind around 17 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A chance of rain and snow showers, mainly after noon. Partly sunny, with a high near 40.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 35.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 25.
Monday
Sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSW St Mary MT
 48.61°N 113.51°W (Elev. 6673 ft)
5:24 pm MDT Sep 29, 2025
11pm MDT Sep 29, 2025-6pm MDT Oct 6, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database