National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

46°F

8°C

Humidity 60%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 15 Nov 06:10 PM MST
Extended Forecast for

4 Miles SW St Mary MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 50. West southwest wind 3 to 6 mph.

    High: 50 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Cloudy, with a low around 41. Southwest wind 3 to 7 mph.

    Low: 41 °F

    Chance Rain

  • Monday

    Monday: A 50 percent chance of rain. Mostly cloudy, with a high near 46. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 46 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain before 11pm, then rain, possibly mixed with snow. Low around 36. West wind 5 to 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow likely, mainly before 11am. Mostly cloudy, with a high near 42. West southwest wind 5 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 2am, then a chance of snow. Mostly cloudy, with a low around 29. West southwest wind around 7 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of snow, mainly before 11am. Partly sunny, with a high near 37. West southwest wind 6 to 8 mph.

    High: 37 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. Southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.
Sunday
Partly sunny, with a high near 50. West southwest wind 3 to 6 mph.
Sunday Night
A 40 percent chance of rain. Cloudy, with a low around 41. Southwest wind 3 to 7 mph.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 46. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
Rain before 11pm, then rain, possibly mixed with snow. Low around 36. West wind 5 to 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
Rain and snow likely, mainly before 11am. Mostly cloudy, with a high near 42. West southwest wind 5 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain and snow before 2am, then a chance of snow. Mostly cloudy, with a low around 29. West southwest wind around 7 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow, mainly before 11am. Partly sunny, with a high near 37. West southwest wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
A slight chance of snow. Mostly sunny, with a high near 39.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 30.
Friday
A slight chance of snow. Mostly sunny, with a high near 39.
Friday Night
A chance of snow. Mostly cloudy, with a low around 32.
Saturday
A chance of snow. Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW St Mary MT
 48.71°N 113.5°W (Elev. 4800 ft)
Last Update:
2:18 pm MST Nov 15, 2025
Forecast Valid:
7pm MST Nov 15, 2025-6pm MST Nov 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation