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

59°F

15°C

Humidity 51%
Wind Speed NNE 7 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 21 Jun 12:11 PM MDT
Extended Forecast for

12 Miles E St Mary MT

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 64. Northwest wind 8 to 10 mph. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 42. North northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    Low: 42 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 57. Light and variable wind becoming north northwest 12 to 17 mph in the morning. Winds could gust as high as 25 mph.

    High: 57 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. North wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66. Calm wind becoming east northeast 5 to 9 mph in the afternoon.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. East northeast wind 5 to 9 mph becoming light and variable after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. Light south wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Southeast wind 6 to 10 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 64. Northwest wind 8 to 10 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 42. North northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 57. Light and variable wind becoming north northwest 12 to 17 mph in the morning. Winds could gust as high as 25 mph.
Monday Night
Partly cloudy, with a low around 38. North wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Tuesday
Sunny, with a high near 66. Calm wind becoming east northeast 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 44. East northeast wind 5 to 9 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 71. Light south wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 48. Southeast wind 6 to 10 mph.
Thursday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 73.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
A slight chance of showers. Mostly cloudy, with a high near 66.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 58. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles E St Mary MT
 48.74°N 113.15°W (Elev. 4810 ft)
Last Update:
12:32 pm MDT Jun 21, 2026
Forecast Valid:
1pm MDT Jun 21, 2026-6pm MDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation