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

ST. MARY (SRYM8)

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

NA

57°F

14°C

Humidity 25%
Wind Speed SSW 15 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 19 Apr 03:11 PM MDT
Extended Forecast for

7 Miles S St Mary MT

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 30 mph.

    Low: 33 °F

    Increasing
    Clouds and
    Breezy

  • Monday

    Monday: Sunny, with a high near 48. West southwest wind 11 to 21 mph, with gusts as high as 29 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 29 mph.

    Low: 37 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. West southwest wind 13 to 17 mph, with gusts as high as 20 mph.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 35. Southwest wind around 15 mph becoming northwest in the evening. Winds could gust as high as 20 mph.

    Low: 35 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of rain before 9am, then rain and snow between 9am and 3pm, then snow after 3pm. Some thunder is also possible. High near 38. Breezy, with a north northwest wind 16 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 38 °F

    Chance
    Rain/Snow
    then
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 9pm. The snow could be heavy at times. Low around 18. Blustery, with a north wind 24 to 29 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

    Low: 18 °F

    Blustery.
    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow likely, mainly before noon. Partly sunny, with a high near 24. Blustery, with a north northwest wind 21 to 25 mph, with gusts as high as 39 mph.

    High: 24 °F

    Snow Likely
    and Blustery

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 33. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 48. West southwest wind 11 to 21 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 37. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 55. West southwest wind 13 to 17 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 35. Southwest wind around 15 mph becoming northwest in the evening. Winds could gust as high as 20 mph.
Wednesday
A chance of rain before 9am, then rain and snow between 9am and 3pm, then snow after 3pm. Some thunder is also possible. High near 38. Breezy, with a north northwest wind 16 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Rain and snow, becoming all snow after 9pm. The snow could be heavy at times. Low around 18. Blustery, with a north wind 24 to 29 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
Thursday
Snow likely, mainly before noon. Partly sunny, with a high near 24. Blustery, with a north northwest wind 21 to 25 mph, with gusts as high as 39 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 17.
Friday
A chance of snow. Partly sunny, with a high near 21.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 14.
Saturday
A slight chance of snow. Mostly sunny, with a high near 24.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 14.
Sunday
A slight chance of snow. Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S St Mary MT
 48.64°N 113.42°W (Elev. 7927 ft)
Last Update:
12:31 pm MDT Apr 19, 2026
Forecast Valid:
4pm MDT Apr 19, 2026-6pm MDT Apr 26, 2026
 
Forecast Discussion
 
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