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

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

53°F

12°C

Humidity 81%
Wind Speed NA 4 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 16 Jun 07:10 PM MDT
Extended Forecast for

5 Miles WSW St Mary MT

  • Tonight

    Tonight: A 50 percent chance of showers before midnight. Partly cloudy, with a low around 38. Northwest wind 7 to 16 mph, with gusts as high as 32 mph.

    Low: 38 °F

    Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 51. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 51 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 38. North wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 53. Southwest wind 5 to 7 mph. Chance of precipitation is 50%.

    High: 53 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. West wind 5 to 9 mph.

    Low: 38 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 56. West southwest wind 5 to 8 mph becoming south in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. Southeast wind 8 to 11 mph becoming west southwest after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58. West wind 8 to 17 mph, with gusts as high as 24 mph.

    High: 58 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 50 percent chance of showers before midnight. Partly cloudy, with a low around 38. Northwest wind 7 to 16 mph, with gusts as high as 32 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 51. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Showers and thunderstorms likely before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 38. North wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 53. Southwest wind 5 to 7 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 38. West wind 5 to 9 mph.
Juneteenth
Mostly sunny, with a high near 56. West southwest wind 5 to 8 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, with a low around 42. Southeast wind 8 to 11 mph becoming west southwest after midnight.
Saturday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58. West wind 8 to 17 mph, with gusts as high as 24 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 50.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 37.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 52.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 39.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW St Mary MT
 48.73°N 113.53°W (Elev. 6778 ft)
Last Update:
8:12 pm MDT Jun 16, 2026
Forecast Valid:
9pm MDT Jun 16, 2026-6pm MDT Jun 23, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation