NWS Forecast for: St Mary MT
Issued by: National Weather Service Great Falls, MT
Last Update: 4:11 am MDT Apr 1, 2023




Overnight: Mostly cloudy, with a low around 27. Breezy, with a southwest wind around 26 mph, with gusts as high as 44 mph.

Saturday: Snow showers likely, mainly between 10am and 3pm. Partly sunny, with a high near 40. Breezy, with a southwest wind 24 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Saturday Night: A 20 percent chance of snow showers before 8pm. Mostly cloudy, with a low around 21. Windy, with a west southwest wind 29 to 31 mph, with gusts as high as 44 mph.

Sunday: A 40 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 35. Breezy, with a west southwest wind 18 to 26 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.

Sunday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 17. West wind 5 to 15 mph, with gusts as high as 23 mph. Little or no snow accumulation expected.

Monday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 34. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Monday Night: A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 16. Northeast wind 5 to 8 mph becoming calm after midnight. New snow accumulation of less than a half inch possible.

Tuesday: A chance of snow showers, mainly after noon. Mostly cloudy, with a high near 31. Light north northeast wind becoming northeast 5 to 10 mph in the morning.

Tuesday Night: A slight chance of snow showers before midnight. Mostly cloudy, with a low around 12.

Wednesday: A slight chance of snow showers after noon. Mostly sunny, with a high near 38.

Wednesday Night: Partly cloudy, with a low around 20.

Thursday: Mostly sunny, with a high near 40.

Thursday Night: Partly cloudy, with a low around 25.

Friday: Mostly sunny, with a high near 45.



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

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