St. Mary, MT Weather Forecast & Current Conditions

Day: Sunny. Highs 61 to 71. Southwest winds 5 to 15 mph.

Night: Mostly clear. Lows in the mid 40s. Southwest winds 5 to 15 mph.

Day: Mostly sunny. Highs 60 to 70. Southwest winds 5 to 15 mph.

Night: Mostly cloudy in the evening then clearing. Lows in the mid 40s. Southwest winds 5 to 15 mph.

Day: Sunny. Highs 55 to 65. Southwest winds 10 to 20 mph.

Night: Partly cloudy. Lows in the mid 40s. Highs 60 to 70.

Night: Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of rain after midnight. Lows in the upper 40s.

Day: Partly sunny with a 50 percent chance of rain. Highs 53 to 63.

Night: Colder. Mostly cloudy. Chance of rain and snow likely in the evening, then chance of rain and snow after midnight. Lows 36 to 42. Chance of precipitation 60 percent.

Day: Partly sunny. A 40 percent chance of rain and snow in the morning. Highs 42 to 50.

Night: Partly cloudy with a 20 percent chance of rain in the evening, then mostly cloudy after midnight. Lows in the mid 30s.

Day: Partly sunny. Highs 44 to 52.

Day: Sunny. Highs in the mid 70s. Southwest winds up to 10 mph.

Night: Mostly clear. Lows in the mid 40s. Southwest winds 5 to 10 mph.

Day: Mostly sunny. Highs in the mid 70s. Southwest winds 5 to 15 mph.

Night: Mostly cloudy in the evening then clearing. Lows in the upper 40s. Southwest winds 5 to 10 mph.

Day: Mostly sunny. Highs around 70. Southwest winds 5 to 15 mph. Gusts up to 30 mph in the afternoon.

Night: Partly cloudy. Lows in the mid 40s. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 40s.

Night: Mostly cloudy. A 20 percent chance of rain. Highs in the upper 60s. Lows in the lower 40s.

Day: Cooler. Partly sunny. A 20 percent chance of rain in the morning. Highs in the mid 50s.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s.

Day: Partly sunny. Highs in the mid 50s.

Day: Mostly sunny. Patchy fog early in the morning. Highs in the mid 60s to lower 70s.

Night: Mostly clear. Lows in the mid 40s to lower 50s.

Day: Mostly cloudy. Highs in the mid 60s to lower 70s.

Night: Partly cloudy. Lows in the mid 40s to lower 50s.

Day: Mostly sunny. Highs in the 60s. Southwest winds to 15 mph.

Night: Partly cloudy. Lows in the 40s to lower 50s.

Day: Partly cloudy. Highs in the upper 60s to mid 70s.

Night: Mostly cloudy. Lows in the mid 40s to lower 50s.

Day: Mostly cloudy with a 40 percent chance of rain. Highs in the upper 50s to mid 60s.

Night: Mostly cloudy with a 40 percent chance of rain. Lows in the upper 30s to mid 40s.

Day: Mostly cloudy. A 30 percent chance of rain in the morning. Highs in the 50s.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s to lower 40s.

Day: Mostly cloudy. Highs in the upper 40s to mid 50s.

Day: Sunny. Patchy fog in the morning. Highs in the mid 70s. South winds up to 15 mph.

Night: Mostly clear. Lows in the mid 40s. South winds 5 to 10 mph shifting to the southwest after midnight.

Day: Mostly sunny. Highs in the upper 70s. Southwest winds up to 10 mph.

Night: Mostly cloudy in the evening then clearing. Lows in the upper 40s. West winds 5 to 10 mph.

Day: Sunny. Highs in the lower 70s. West winds 5 to 15 mph. Gusts up to 30 mph in the afternoon.

Night: Partly cloudy. Lows in the upper 40s. Highs in the mid 70s.

Night: Mostly cloudy. Lows in the upper 40s. Highs around 70.

Night: Windy. Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Lows in the lower 40s.

Day: Cooler. Partly sunny. Highs in the upper 50s.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s.

Day: Partly sunny. Highs in the upper 50s.

Day: Mostly sunny. Patchy fog in the morning. Highs in the 70s.

Night: Mostly clear. Lows in the 40s to lower 50s.

Day: Mostly cloudy. Highs in the 70s.

Night: Partly cloudy. Lows in the 40s to lower 50s.

Day: Mostly sunny. Highs in the upper 60s to mid 70s.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s to lower 50s.

Day: Mostly cloudy. Highs in the 70s.

Night: Mostly cloudy. Lows in the mid 40s to lower 50s.

Day: Mostly cloudy with a 40 percent chance of rain. Highs in the 60s to lower 70s.

Night: Mostly cloudy with a 30 percent chance of rain. Lows in the upper 30s to mid 40s.

Day: Mostly cloudy. Highs in the upper 50s to mid 60s.

Night: Partly cloudy. Lows in the mid 30s to lower 40s.

Day: Mostly cloudy. Highs in the mid 50s to lower 60s.

Day: Sunny. Patchy fog early in the morning. Highs in the upper 70s to mid 80s.

Night: Mostly clear in the evening then becoming mostly cloudy. Lows in the mid 40s to lower 50s.

Day: Mostly cloudy. Highs in the mid 70s to lower 80s.

Night: Partly cloudy. Lows in the 40s.

Day: Mostly sunny. Highs in the upper 60s to mid 70s.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s.

Day: Mostly cloudy. Highs in the 70s.

Night: Mostly cloudy. A 20 percent chance of rain after midnight. Lows in the mid 40s to lower 50s.

Day: Mostly cloudy with a 50 percent chance of rain. Highs in the 60s.

Night: Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s to mid 40s.

Day: Mostly cloudy with a 30 percent chance of rain. Highs in the upper 50s to mid 60s.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s to lower 40s.

Day: Mostly cloudy. Highs in the upper 50s to mid 60s.

Day: Sunny. Highs in the upper 70s. South winds up to 10 mph.

Night: Mostly clear. Lows in the upper 40s. Southwest winds up to 10 mph.

Day: Mostly sunny. Highs in the upper 70s. Southwest winds up to 10 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. West winds up to 10 mph.

Day: Sunny. Highs in the mid 70s. Southwest winds up to 10 mph with gusts to around 25 mph.

Night: Partly cloudy. Lows in the upper 40s. Highs in the upper 70s.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s.

Day: Mostly sunny. Highs in the lower 70s.

Night: Cooler. Partly cloudy. A 20 percent chance of rain. Lows in the mid 40s. Highs in the upper 50s.

Night: Mostly cloudy. Lows around 40. Highs around 60.

Day: Partly sunny in the morning then clearing. Patchy fog in the morning. Highs in the mid 70s. Southeast winds 5 to 15 mph.

Night: Mostly clear. Lows in the upper 40s. Southeast winds 5 to 15 mph decreasing to up to 5 mph after midnight.

Day: Mostly sunny. Highs in the upper 70s. Southwest winds up to 10 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Southwest winds up to 5 mph.

Day: Sunny. Highs in the mid 70s. West winds up to 15 mph.

Night: Partly cloudy. Lows around 50. Highs 70 to 79.

Day: Partly cloudy. Lows around 50. Highs 70 to 79.

Day: Partly cloudy. Lows around 50. Highs 70 to 79.

Night: Breezy. Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Lows in the mid 40s.

Night: Cooler. Partly cloudy. Highs 57 to 63. Lows around 40.

Day: Partly sunny. Highs in the upper 50s.

Day: Sunny. Patchy fog early in the morning. Highs in the upper 70s. South winds up to 10 mph.

Night: Mostly clear. Lows in the mid 40s. Southeast winds up to 10 mph shifting to the southwest after midnight.

Day: Mostly sunny. Highs in the upper 70s. Southwest winds up to 5 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Northwest winds up to 5 mph shifting to the southwest after midnight.

Day: Sunny. Highs in the upper 70s. Southwest winds up to 10 mph.

Night: Partly cloudy. Lows in the upper 40s. Highs in the upper 70s.

Day: Partly cloudy. Lows in the upper 40s. Highs in the upper 70s.

Day: Partly cloudy. Lows in the upper 40s. Highs in the upper 70s.

Night: Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Lows in the mid 40s.

Day: Cooler. Mostly sunny. Highs in the lower 60s.

Night: Mostly cloudy. Lows around 40. Highs in the lower 60s.

Day: Mostly sunny. Patchy fog early in the morning. Highs in the 70s.

Night: Mostly clear. Lows in the 40s.

Day: Partly cloudy. Highs in the upper 60s to mid 70s.

Night: Mostly cloudy in the evening then clearing. Lows in the 40s.

Day: Mostly sunny. Highs in the upper 60s to mid 70s.

Night: Partly cloudy. Lows in the 40s.

Day: Partly cloudy. Highs in the 70s to lower 80s.

Night: Partly cloudy. Lows in the mid 40s to lower 50s.

Day: Partly cloudy. Highs in the mid 60s to lower 70s.

Night: Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain. Lows in the upper 30s to mid 40s.

Day: Partly cloudy. Highs in the mid 50s to lower 60s.

Night: Partly cloudy. Lows in the 30s to lower 40s.

Day: Mostly cloudy. Highs in the mid 50s to lower 60s.

Day: Sunny. Highs in the upper 70s. South winds up to 10 mph with gusts to around 25 mph.

Night: Mostly clear. Lows in the upper 40s. South winds up to 10 mph with gusts to around 25 mph.

Day: Mostly sunny. Highs in the upper 70s. Southwest winds up to 10 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows around 50. Southwest winds up to 10 mph.

Day: Sunny. Highs in the upper 70s. Southwest winds 5 to 15 mph.

Night: Partly cloudy. Lows around 50.

Day: Sunny. Highs in the lower 80s.

Night: Partly cloudy. Lows in the lower 50s. Highs in the upper 70s.

Night: Partly cloudy with a 20 percent chance of rain. Lows in the upper 40s.

Day: Cooler. Mostly sunny. Highs in the mid 60s.

Night: Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Lows in the lower 40s.

Day: Partly sunny. Highs in the mid 60s.

Day: Mostly sunny. Patchy fog early in the morning. Highs in the mid 70s to lower 80s.

Night: Mostly clear. Lows in the mid 40s to lower 50s.

Day: Mostly cloudy. Highs in the mid 70s to lower 80s.

Night: Partly cloudy. Lows in the 40s to lower 50s.

Day: Mostly sunny. Highs in the upper 60s to mid 70s.

Night: Partly cloudy. Lows in the 40s to lower 50s.

Day: Partly cloudy. Highs in the mid 70s to lower 80s.

Night: Mostly cloudy. Lows in the mid 40s to lower 50s.

Day: Mostly cloudy with a 40 percent chance of rain. Highs in the 60s.

Night: Mostly cloudy in the evening then becoming partly cloudy. A 40 percent chance of rain. Lows in the upper 30s to mid 40s.

Day: Partly cloudy. Highs in the mid 50s to lower 60s.

Night: Partly cloudy. Lows in the mid 30s to lower 40s.

Day: Mostly cloudy. Highs in the mid 50s to lower 60s.

Day: Sunny. Patchy fog early in the morning. Highs in the upper 60s to mid 70s.

Night: Mostly clear. Lows in the upper 30s to mid 40s.

Day: Mostly cloudy. Highs in the upper 60s to mid 70s.

Night: Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the upper 30s to mid 40s.

Day: Mostly sunny. Highs in the upper 60s to mid 70s.

Night: Partly cloudy. Lows in the 40s.

Day: Mostly sunny. Highs in the 70s.

Night: Partly cloudy. Lows in the 40s.

Day: Partly cloudy. Highs in the upper 60s to mid 70s.

Night: Partly cloudy with a 20 percent chance of rain. Lows in the mid 30s to lower 40s.

Day: Partly cloudy. Highs in the upper 50s to mid 60s.

Night: Partly cloudy. Lows in the 30s.

Day: Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs in the upper 50s to mid 60s.

Day: Mostly sunny. Patchy fog in the morning. Highs in the mid 70s to lower 80s.

Night: Mostly clear. Lows in the mid to upper 40s.

Day: Partly cloudy. Highs in the mid to upper 70s.

Night: Partly cloudy. Lows in the 40s.

Day: Mostly sunny. Highs in the mid to upper 70s.

Night: Partly cloudy. Lows in the mid to upper 40s.

Day: Partly cloudy. Highs in the lower 80s.

Night: Partly cloudy. Lows near 50.

Day: Partly cloudy with a 20 percent chance of rain. Highs near 70.

Night: Mostly cloudy in the evening then becoming partly cloudy. A 30 percent chance of rain. Lows near 40.

Day: Partly cloudy. Highs in the lower to mid 60s.

Night: Partly cloudy. Lows near 40.

Day: Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs in the lower to mid 60s.

Day: Partly sunny in the morning then clearing. Patchy fog in the morning. Highs in the mid 70s. Southeast winds up to 15 mph.

Night: Mostly clear. Lows in the upper 40s. Southeast winds up to 15 mph.

Day: Mostly sunny. Highs in the upper 70s. South winds up to 10 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Southeast winds up to 5 mph shifting to the southwest after midnight.

Day: Sunny. Highs in the upper 70s. West winds up to 10 mph.

Night: Partly cloudy. Lows around 50. Highs in the upper 70s.

Day: Partly cloudy. Lows around 50. Highs in the upper 70s.

Day: Partly cloudy. Lows around 50. Highs in the upper 70s.

Night: Breezy. Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Lows in the mid 40s.

Night: Cooler. Partly cloudy. Highs in the lower 60s. Lows in the lower 40s.

Day: Partly sunny. Highs in the lower 60s.

Day: Sunny. Highs 65 to 73. Southwest winds up to 10 mph.

Night: Mostly clear. Lows in the mid 40s. Southwest winds up to 5 mph.

Day: Mostly sunny. Highs 65 to 73. Southwest winds up to 5 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s. Southwest winds up to 10 mph.

Day: Sunny. Highs 64 to 72. Southwest winds up to 10 mph.

Night: Partly cloudy. Lows in the upper 40s.

Day: Sunny. Highs 69 to 77.

Night: Partly cloudy. Lows 47 to 53. Highs 63 to 71.

Night: Cooler. Partly cloudy with a 20 percent chance of rain. Lows 37 to 44. Highs 51 to 61.

Night: Cooler. Partly cloudy with a 20 percent chance of rain. Lows 37 to 44. Highs 51 to 61.

Day: Partly sunny. Highs 53 to 61.

Day: Sunny. Patchy fog in the morning. Highs in the upper 70s. Southeast winds up to 10 mph.

Night: Mostly clear. Lows in the upper 40s. Southeast winds up to 15 mph with gusts to around 35 mph.

Day: Mostly sunny. Highs in the upper 70s. South winds up to 5 mph.

Night: Mostly cloudy. Lows around 50. East winds up to 5 mph shifting to the southwest after midnight.

Day: Sunny. Highs in the upper 70s. West winds up to 10 mph.

Night: Partly cloudy. Lows around 50.

Day: Sunny. Highs in the lower 80s.

Night: Partly cloudy. Lows in the mid 50s. Highs in the upper 70s.

Night: Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain. Lows in the upper 40s.

Day: Cooler. Mostly sunny. Highs in the mid 60s.

Night: Partly cloudy with a 20 percent chance of rain. Lows in the lower 40s.

Day: Partly sunny. Highs in the mid 60s.

Day: Sunny. Highs 71 to 77. South winds 5 to 15 mph.

Night: Mostly clear. Lows in the upper 40s. South winds up to 10 mph.

Day: Mostly sunny. Highs 72 to 78. South winds up to 10 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Southwest winds up to 10 mph.

Day: Sunny. Highs 71 to 77. Southwest winds up to 15 mph.

Night: Partly cloudy. Lows around 50.

Day: Sunny. Highs 75 to 81.

Night: Partly cloudy. Lows in the lower 50s. Highs 70 to 76.

Night: Cooler. Partly cloudy. A 20 percent chance of rain. Lows in the mid 40s. Highs 56 to 64.

Night: Partly cloudy with a 20 percent chance of rain. Lows in the lower 40s.

Day: Partly sunny. Highs 59 to 65.

Day: Sunny. Patchy fog early in the morning. Highs in the mid 70s. South winds up to 10 mph with gusts to around 25 mph.

Night: Mostly clear. Lows in the mid 40s. South winds 5 to 15 mph with gusts to around 35 mph.

Day: Mostly sunny. Highs in the upper 70s. Southwest winds up to 10 mph shifting to the east in the afternoon.

Night: Mostly cloudy. Lows in the upper 40s. Southeast winds up to 10 mph shifting to the southwest after midnight.

Day: Sunny. Highs in the upper 70s. West winds 5 to 10 mph.

Night: Mostly clear. Lows in the lower 50s. Highs around 80.

Day: Mostly clear. Lows in the lower 50s. Highs around 80.

Day: Mostly clear. Lows in the lower 50s. Highs around 80.

Night: Cooler. Partly cloudy. A 20 percent chance of rain. Lows in the mid 40s. Highs in the mid 60s.

Night: Partly cloudy with slight chance of rain in the evening, then mostly cloudy with chance of rain after midnight. Lows in the upper 30s. Chance of rain 30 percent.

Day: Partly sunny. A 20 percent chance of rain in the afternoon. Highs in the mid 60s.

Day: Sunny. Patchy fog in the morning. Highs in the mid 70s. Southeast winds up to 10 mph.

Night: Mostly clear. Lows in the mid 40s. Southeast winds up to 5 mph.

Day: Mostly sunny. Highs in the upper 70s. Southeast winds up to 5 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. South winds up to 5 mph.

Day: Sunny. Highs in the upper 70s. South winds up to 10 mph.

Night: Partly cloudy. Lows in the upper 40s.

Night: Mostly clear. Highs in the lower 80s. Lows around 50.

Day: Mostly sunny. Highs in the upper 70s.

Night: Partly cloudy with a 20 percent chance of rain. Lows in the mid 40s.

Day: Cooler. Mostly sunny. Highs in the upper 60s.

Night: Partly cloudy with a 20 percent chance of rain. Lows in the lower 40s.

Day: Partly sunny. Highs in the upper 60s.