7-Day Forecast 48.74°N 113.44°W (Text-Only)
NWS Forecast for: St Mary MT
Issued by: National Weather Service Great Falls, MT
Last Update: 8:22 pm MDT May 5, 2024
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  • Tonight

    Tonight: A 30 percent chance of rain, mainly between midnight and 2am.  Cloudy, with a low around 35. Southwest wind 5 to 10 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 32 mph.

    Low: 35 °F

    Chance Rain




  • Monday

    Monday: A 30 percent chance of rain, mainly before noon.  Cloudy, with a high near 48. Breezy, with a west southwest wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 48 °F

    Chance Rain
    and Breezy



  • Monday
    Night

    Monday Night: A slight chance of rain and snow between 10pm and midnight, then a chance of snow.  Cloudy, with a low around 34. Breezy, with a west southwest wind 24 to 28 mph, with gusts as high as 44 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Chance
    Snow

  • Tuesday

    Tuesday: Snow likely before 3pm, then rain and snow likely.  Mostly cloudy, with a high near 42. Breezy, with a west southwest wind 21 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 42 °F

    Breezy.
    Chance Snow
    then
    Rain/Snow
    Likely

  • Tuesday
    Night

    Tuesday Night: Rain and snow.  Low around 35. West wind 15 to 21 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 35 °F

    Rain/Snow




  • Wednesday

    Wednesday: Snow before 9am, then rain and snow.  High near 43. West northwest wind 15 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow




  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 33. North northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 33 °F

    Chance Rain




  • Thursday

    Thursday: A slight chance of rain before noon.  Mostly sunny, with a high near 55. West northwest wind 7 to 10 mph becoming north in the afternoon.

    High: 55 °F

    Slight Chance
    Rain then
    Mostly Sunny


  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear






  • Tonight: A 30 percent chance of rain, mainly between midnight and 2am. Cloudy, with a low around 35. Southwest wind 5 to 10 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 32 mph.

    Monday: A 30 percent chance of rain, mainly before noon. Cloudy, with a high near 48. Breezy, with a west southwest wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 45 mph.

    Monday Night: A slight chance of rain and snow between 10pm and midnight, then a chance of snow. Cloudy, with a low around 34. Breezy, with a west southwest wind 24 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Tuesday: Snow likely before 3pm, then rain and snow likely. Mostly cloudy, with a high near 42. Breezy, with a west southwest wind 21 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Tuesday Night: Rain and snow. Low around 35. West wind 15 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Wednesday: Snow before 9am, then rain and snow. High near 43. West northwest wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Wednesday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 33. North northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    Thursday: A slight chance of rain before noon. Mostly sunny, with a high near 55. West northwest wind 7 to 10 mph becoming north in the afternoon.

    Thursday Night: Mostly clear, with a low around 35.

    Friday: Sunny, with a high near 62.

    Friday Night: Mostly clear, with a low around 41.

    Saturday: Sunny, with a high near 67.

    Saturday Night: Mostly clear, with a low around 43.

    Sunday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.



    St Mary MT
     48.74°N 113.44°W (Elev. 4554 ft)

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