Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

26°F

-3°C

Humidity 80%
Wind Speed NA 5 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill20°F (-7°C)
Last update 23 Apr 09:10 AM MDT
Extended Forecast for

St Mary MT

Winter Weather Advisory April 23, 09:40am until April 23, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 23, 09:40am until April 23, 06:00pm

    NOW until 6:00pm Thu

    Winter Weather Advisory

  • Today

    High: 37 °F

    Snow Likely

  • Tonight

    Tonight: Snow likely, mainly between 7pm and 8pm.  Mostly cloudy, with a low around 19. North wind 7 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Likely

  • Friday

    Friday: A chance of snow before noon, then a chance of snow showers after noon.  Mostly cloudy, with a high near 34. North northwest wind 10 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow showers before 9pm, then a chance of snow after 9pm.  Mostly cloudy, with a low around 19. North wind 5 to 10 mph becoming light northwest  after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 40 percent chance of snow.  Mostly cloudy, with a high near 35. North wind 3 to 8 mph.  Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 18. East northeast wind 3 to 7 mph.

    Low: 18 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow.  Partly sunny, with a high near 35. Calm wind becoming east northeast 5 to 8 mph in the morning.

    High: 35 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. East northeast wind around 6 mph becoming calm  in the evening.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 37. North wind 11 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow likely, mainly between 7pm and 8pm. Mostly cloudy, with a low around 19. North wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
A chance of snow before noon, then a chance of snow showers after noon. Mostly cloudy, with a high near 34. North northwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Friday Night
A chance of snow showers before 9pm, then a chance of snow after 9pm. Mostly cloudy, with a low around 19. North wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 35. North wind 3 to 8 mph. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18. East northeast wind 3 to 7 mph.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 35. Calm wind becoming east northeast 5 to 8 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 21. East northeast wind around 6 mph becoming calm in the evening.
Monday
A slight chance of snow after noon. Mostly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
A slight chance of rain and snow. Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
5:17 am MDT Apr 23, 2026
9am MDT Apr 23, 2026-6pm MDT Apr 29, 2026
 
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