Saint Mary, MT Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

16°F
Feels Like 10°F  
Humidity 88% Dew Point 13°F Wind NNE 4 MPH Gusts 8 Barometer N/A
Solar Rad 30 w/m2
Report from a MADIS/MESONET weather station 0.3 mi. SW of central Saint Mary
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Point Forecast at a Glance

FriDec 12
Fri Dec 12: Snow, High 31F, Low 16F
80%
31
16
SatDec 13
Sat Dec 13: Rain And Snow, High 43F, Low 37F
20%
43
37
SunDec 14
Sun Dec 14: Mostly Sunny, High 47F, Low 38F
47
38
MonDec 15
Mon Dec 15: Rain, High 48F, Low 36F
40%
48
36
TueDec 16
Tue Dec 16: Rain And Snow, High 43F, Low 26F
50%
43
26
WedDec 17
Wed Dec 17: Snow, High 36F, Low 21F
50%
36
21
ThuDec 18
Thu Dec 18: Snow, High 35F, Low 24F
50%
35
24

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7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 31°F to 48°F. Unsettled weather expected with wintry mix likely on at least 6 days.

Climate Context

This week's forecast shows temperatures running 10°F above the historical average for December. Normal highs for this period are around 30°F with lows around 16°F.

This Date in Weather History

1967 - From December 12th through the 20th a series of snowstorms buries Flagstaff, AZ with nearly 85 inches of snow.

More on this and other weather history

Saint Mary, MT 7 Day Weather Forecast Details

Friday Dec 12

Snow

Day: Snow, possibly mixed with rain. High near 31. West southwest wind around 10 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 2 inches possible.

Snow

Night: Rain likely, possibly mixed with snow, becoming all snow after 11pm. Mostly cloudy, with a low around 16. West southwest wind 5 to 13 mph becoming north northeast after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Saturday Dec 13

Rain And Snow

Day: A slight chance of snow and freezing rain before 10am, then a slight chance of rain and snow between 10am and 11am. Mostly cloudy, with a high near 43. Light south southwest wind becoming southwest 11 to 16 mph in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 20%.

Mostly Clear

Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Southwest wind 15 to 17 mph, with gusts as high as 39 mph.

Sunday Dec 14

Mostly Sunny

Day: Mostly sunny, with a high near 47. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 45 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 38. West southwest wind 13 to 21 mph, with gusts as high as 43 mph.

Monday Dec 15

Rain

Day: A 40 percent chance of rain after 11am. Partly sunny, with a high near 48. Breezy, with a west southwest wind 17 to 25 mph, with gusts as high as 49 mph.

Snow

Night: Rain likely before 2am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 36. Breezy, with a southwest wind 21 to 23 mph, with gusts as high as 50 mph.

Tuesday Dec 16

Rain And Snow

Day: A chance of rain and snow before 11am, then snow likely. Mostly cloudy, with a high near 43.

Snow

Night: Snow. Mostly cloudy, with a low around 26.

Wednesday Dec 17

Snow

Day: Snow likely. Partly sunny, with a high near 36.

Snow

Night: A chance of snow. Mostly cloudy, with a low around 21.

Thursday Dec 18

Snow

Day: Snow likely. Mostly cloudy, with a high near 35.

Snow

Night: Snow likely. Mostly cloudy, with a low around 24.

Friday Dec 19

Snow

Day: Snow likely. Partly sunny, with a high near 36.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.