Garrison, MT Weather Forecast & Current Conditions

Day: Mostly cloudy. A 20 percent chance of rain and snow late in the afternoon. Highs in the 40s. Southwest winds to 15 mph.

Night: Mostly clear. Lows in the 20s. Southwest winds to 15 mph.

Day: Mostly sunny in the morning then becoming mostly cloudy. Highs in the 40s to lower 50s. Southwest winds to 15 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 20s to mid 30s. Southwest winds 15 to 20 mph with gusts to around 30 mph.

Day: Mostly sunny. Highs in the 50s. South winds to 15 mph.

Night: Mostly clear. Lows in the upper 20s to mid 30s.

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

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

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

Night: Mostly cloudy. Lows in the upper 20s to mid 30s.

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

Night: Partly cloudy. Lows in the upper 20s to mid 30s.

Day: Partly cloudy. Highs in the 50s.

Day: Partly sunny. Near steady temperature in the upper 30s. West winds 5 to 15 mph with gusts to around 30 mph.

Night: Mostly clear. Lows in the upper 20s. West winds 10 to 15 mph with gusts to around 35 mph.

Day: Mostly sunny. Highs 39 to 45. Southwest winds 5 to 15 mph with gusts to around 35 mph.

Night: Mostly cloudy. Near steady temperature in the mid 30s. Southwest winds 10 to 20 mph with gusts to around 45 mph.

Day: Not as cool. Mostly sunny. Highs 48 to 54. Southwest winds up to 15 mph. Gusts up to 30 mph in the morning.

Night: Partly cloudy. Lows 33 to 39. Highs 44 to 52.

Night: Partly cloudy. Lows 27 to 33.

Night: Mostly cloudy. Highs 42 to 48. Lows 30 to 36.

Day: Partly cloudy. Highs 46 to 54. Lows 34 to 40.

Day: Partly sunny. Highs 39 to 45. West winds up to 10 mph.

Night: Mostly clear. Lows 23 to 29. West winds up to 10 mph with gusts to around 25 mph.

Day: Mostly sunny. Highs 41 to 47. Southwest winds 5 to 15 mph.

Night: Mostly cloudy. Lows 30 to 36. Southwest winds 10 to 15 mph with gusts to around 30 mph.

Day: Mostly sunny. Highs 46 to 54. Southwest winds 5 to 15 mph.

Night: Mostly clear. Lows 32 to 38.

Night: Partly cloudy. Highs 47 to 55. Lows 27 to 33.

Day: Mostly sunny. Highs 43 to 49.

Night: Mostly cloudy. Lows 30 to 36.

Day: Partly cloudy. Highs 46 to 55. Lows 32 to 38.

Day: Partly sunny. Near steady temperature in the mid 40s. Southwest winds 10 to 15 mph. Gusts up to 50 mph decreasing to 40 mph in the afternoon.

Night: Mostly clear. Lows 29 to 35. Southwest winds 10 to 15 mph. Gusts up to 45 mph increasing to 60 mph after midnight.

Day: Breezy. Mostly sunny. Highs 46 to 52. Southwest winds 10 to 25 mph with gusts to around 70 mph.

Night: Windy. Mostly cloudy. Lows 37 to 43. South winds 15 to 30 mph with gusts to around 75 mph.

Day: Partly sunny in the morning then clearing. Highs 53 to 59. South winds 10 to 20 mph. Gusts up to 70 mph decreasing to 40 mph in the afternoon.

Night: Breezy. Partly cloudy. Lows 37 to 43. Highs 52 to 58.

Night: Partly cloudy. Lows in the mid 30s. Highs 48 to 54.

Night: Mostly cloudy. Lows in the upper 30s.

Day: Partly cloudy. Highs 52 to 59. Lows 38 to 44.

Day: Mostly cloudy. Areas of snow and a slight chance of rain in the afternoon. Patchy fog in the afternoon. Chance of precipitation 30 percent. Highs in the upper 30s to mid 40s. Southwest winds to 15 mph.

Night: Mostly clear. Lows in the 20s.

Day: Partly cloudy. Highs in the 40s.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 20s to mid 30s.

Day: Mostly sunny. Highs in the upper 40s to mid 50s. South winds to 15 mph.

Night: Partly cloudy. Lows in the 30s.

Day: Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the upper 40s to mid 50s.

Night: Mostly cloudy. A 20 percent chance of rain and snow in the evening. Lows in the upper 20s to mid 30s.

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

Night: Mostly cloudy. A 20 percent chance of rain after midnight. Lows in the 30s.

Day: Partly cloudy with a 20 percent chance of rain. Highs in the mid 40s to lower 50s.

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

Day: Partly cloudy with a 20 percent chance of rain. Highs in the 50s.

Day: Partly sunny. Highs in the upper 40s. Southwest winds 5 to 10 mph.

Night: Mostly clear. Patchy fog after midnight. Lows in the upper 20s. Southwest winds 5 to 10 mph.

Day: Mostly sunny. Patchy fog in the morning. Highs in the lower 50s. South winds 5 to 10 mph with gusts to around 25 mph.

Night: Mostly cloudy. Lows in the mid 30s. South winds 5 to 15 mph.

Day: Partly sunny in the morning then clearing. Highs in the upper 50s. South winds 5 to 10 mph.

Night: Mostly clear. Lows in the mid 30s.

Night: Partly cloudy. Highs around 60. Lows in the lower 30s.

Night: Mostly cloudy. Highs in the lower 50s. Lows in the mid 30s.

Day: Partly cloudy. Highs in the upper 50s. Lows in the mid 30s.

Day: Mostly cloudy. Patchy fog early in the morning. A 20 percent chance of rain and snow in the afternoon. Highs in the upper 30s to mid 40s. Southwest winds to 15 mph.

Night: Partly cloudy. Patchy fog through the night. A 20 percent chance of rain in the evening. Lows in the 20s to lower 30s.

Day: Mostly cloudy. Areas of fog in the morning. Highs in the 40s.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 20s to mid 30s.

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

Night: Partly cloudy. Patchy fog after midnight. Lows in the 30s.

Day: Partly cloudy. Patchy fog in the morning. Highs in the mid 40s to lower 50s.

Night: Mostly cloudy. Areas of fog after midnight. Lows in the upper 20s to mid 30s.

Day: Mostly cloudy. Areas of fog in the morning. Highs in the 40s to lower 50s.

Night: Mostly cloudy in the evening then becoming partly cloudy. Areas of fog after midnight. Lows in the upper 20s to mid 30s.

Day: Partly cloudy. Areas of fog in the morning. A 20 percent chance of rain in the afternoon. Highs in the mid 40s to lower 50s.

Night: Partly cloudy with a 20 percent chance of rain. Patchy fog after midnight. Lows in the 30s.

Day: Partly cloudy. A 20 percent chance of rain and snow in the morning. Areas of fog in the morning. Highs in the 50s.

Day: Partly sunny. Highs in the upper 40s. Southwest winds 10 to 15 mph with gusts to around 55 mph.

Night: Mostly clear. Lows in the lower 30s. Southwest winds 10 to 15 mph with gusts to around 75 mph.

Day: Breezy. Sunny in the morning then becoming partly sunny. Highs in the lower 50s. Southwest winds 10 to 25 mph. Gusts up to 75 mph decreasing to 65 mph in the afternoon.

Night: Breezy. Mostly cloudy. Near steady temperature in the mid 40s. Southwest winds 15 to 25 mph with gusts to around 85 mph.

Day: Mostly sunny. Highs around 60. Southwest winds 5 to 15 mph. Gusts up to 50 mph decreasing to 35 mph in the afternoon.

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

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

Day: Mostly sunny. Highs in the lower 50s.

Night: Mostly cloudy. Lows in the upper 30s.

Day: Partly cloudy. Highs in the upper 50s. Lows in the lower 40s.

Day: Partly sunny. Near steady temperature in the mid 30s. West winds up to 10 mph.

Night: Mostly clear. Patchy fog. Lows in the lower 20s. Southwest winds up to 10 mph.

Day: Sunny. Patchy fog in the morning. Highs 37 to 43. Southwest winds up to 10 mph with gusts to around 25 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 23 to 29. Southwest winds 5 to 10 mph with gusts to around 25 mph.

Day: Not as cool. Mostly sunny. Highs 44 to 52. Southwest winds up to 10 mph.

Night: Mostly clear. Lows 26 to 32.

Day: Mostly sunny. Highs 43 to 51.

Night: Mostly cloudy. Lows in the mid 20s.

Day: Mostly sunny. Highs 41 to 49.

Night: Mostly cloudy. Lows in the upper 20s.

Day: Partly cloudy. Highs 41 to 51. Lows around 30.

Day: Mostly sunny late in the morning then becoming mostly cloudy. Highs in the upper 40s. South winds up to 5 mph shifting to the northwest in the afternoon.

Night: Mostly clear. Patchy fog after midnight. Lows 26 to 32. Northwest winds up to 5 mph shifting to the south after midnight.

Day: Mostly sunny. Patchy fog in the morning. Highs around 50. South winds 5 to 15 mph.

Night: Mostly cloudy. Lows 31 to 37. South winds 5 to 15 mph.

Day: Partly sunny in the morning then clearing. Highs in the mid 50s. South winds 5 to 10 mph.

Night: Mostly clear. Lows 32 to 40.

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

Night: Mostly cloudy. Lows 31 to 37.

Day: Mostly sunny. Highs in the lower 50s.

Night: Mostly cloudy. Lows 33 to 39.

Day: Partly cloudy. Highs in the mid 50s. Lows 34 to 40.

Day: Partly sunny. Highs in the upper 40s. Southwest winds up to 10 mph with gusts to around 25 mph.

Night: Mostly clear. Patchy fog after midnight. Lows in the upper 20s. West winds up to 10 mph.

Day: Sunny. Patchy fog in the morning. Highs in the upper 40s. Southwest winds 5 to 10 mph with gusts to around 35 mph.

Night: Mostly cloudy. Lows in the lower 30s. Southwest winds 5 to 15 mph with gusts to around 35 mph.

Day: Partly sunny in the morning then clearing. Highs in the mid 50s. Southwest winds up to 10 mph. Gusts up to 35 mph decreasing to 20 mph in the afternoon.

Night: Mostly clear. Lows in the lower 30s.

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

Night: Mostly cloudy. Lows in the lower 30s.

Day: Mostly sunny. Highs in the lower 50s.

Night: Mostly cloudy. Lows in the lower 30s.

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

Night: Mostly clear. Lows in the mid 30s.

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

Day: Mostly cloudy. A 20 percent chance of rain early in the afternoon. Highs in the lower to mid 40s. Southwest winds to 15 mph.

Night: Partly cloudy. Patchy fog after midnight. Lows in the mid to upper 20s.

Day: Partly cloudy. Areas of fog in the morning. Highs in the mid 40s to lower 50s.

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

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

Night: Partly cloudy. Lows in the 30s.

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

Night: Mostly cloudy. Areas of fog after midnight. Lows in the lower to mid 30s.

Day: Mostly cloudy. Areas of fog in the morning. Highs near 50.

Night: Mostly cloudy. Patchy fog after midnight. Lows in the lower to mid 30s.

Day: Partly cloudy. Areas of fog in the morning. A 20 percent chance of rain in the afternoon. Highs in the lower to mid 50s.

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

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

Day: Mostly cloudy. Highs in the lower 40s. Southwest winds up to 10 mph with gusts to around 25 mph.

Night: Mostly clear. Lows in the mid 20s. South winds up to 10 mph.

Day: Sunny. Patchy fog in the morning. Highs in the mid 40s. South winds 5 to 10 mph with gusts to around 35 mph.

Night: Partly cloudy. Lows in the upper 20s. South winds 5 to 15 mph with gusts to around 35 mph.

Day: Mostly sunny. Highs 48 to 54. South winds up to 10 mph. Gusts up to 35 mph decreasing to 25 mph in the afternoon.

Night: Mostly clear. Lows around 30.

Day: Mostly sunny. Highs 51 to 57.

Night: Mostly cloudy. Lows around 30.

Day: Mostly sunny. Highs 47 to 53.

Night: Mostly cloudy. Lows in the lower 30s.

Day: Partly cloudy. Highs in the lower 50s. Lows in the lower 30s.

Day: Mostly cloudy. Areas of rain in the late morning and afternoon. Slight chance of snow early in the afternoon. Chance of precipitation 50 percent. Highs in the upper 30s to mid 40s. Southwest winds to 15 mph.

Night: Partly cloudy. A 20 percent chance of rain in the evening. Patchy fog after midnight. Lows in the mid 20s to lower 30s.

Day: Mostly cloudy. Patchy fog in the morning. Highs in the mid 40s to lower 50s.

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

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

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

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

Night: Mostly cloudy. Patchy fog after midnight. Lows in the 30s.

Day: Mostly cloudy. Patchy fog in the morning. Highs in the mid 40s to lower 50s.

Night: Mostly cloudy. A 20 percent chance of rain after midnight. Patchy fog after midnight. Lows in the 30s to lower 40s.

Day: Mostly cloudy with a 30 percent chance of rain. Patchy fog in the morning. Highs in the upper 40s to mid 50s.

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

Day: Partly cloudy with a 20 percent chance of rain. Highs in the mid 50s to lower 60s.

Day: Windy. Mostly sunny. Highs in the lower 50s. Southwest winds 15 to 30 mph. Gusts up to 50 mph decreasing to 40 mph in the afternoon.

Night: Breezy. Mostly clear. Lows in the mid 30s. Southwest winds 10 to 25 mph. Gusts up to 40 mph increasing to 50 mph after midnight.

Day: Windy. Mostly sunny. Highs in the mid 50s. Southwest winds 15 to 30 mph with gusts to around 70 mph.

Night: Windy. Not as cool. Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. Southwest winds 20 to 30 mph with gusts to around 70 mph.

Day: Windy. Partly sunny in the morning then clearing. Highs in the lower 60s. Southwest winds 15 to 30 mph. Gusts up to 65 mph decreasing to 40 mph in the afternoon.

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

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

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

Night: Mostly cloudy. Lows around 40.

Day: Windy. Partly cloudy. Highs in the lower 60s. Lows in the lower 40s.

Day: Mostly cloudy. Highs 33 to 43. Southwest winds 5 to 15 mph.

Night: Partly cloudy. Patchy fog. Lows 21 to 27. Southwest winds up to 10 mph. Gusts up to 25 mph after midnight.

Day: Sunny. Patchy fog in the morning. Highs 33 to 43. Southwest winds 5 to 15 mph with gusts to around 30 mph.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 22 to 30. South winds 5 to 15 mph with gusts to around 35 mph.

Day: Not as cool. Partly sunny in the morning then clearing. Highs 40 to 50. South winds 5 to 15 mph. Gusts up to 30 mph in the morning.

Night: Mostly clear. Lows 26 to 34.

Day: Mostly sunny. Highs 39 to 51.

Night: Mostly cloudy. Lows 25 to 31.

Day: Mostly sunny. Highs 39 to 49.

Night: Mostly cloudy. Lows 27 to 33.

Day: Partly cloudy. Highs 40 to 51. Lows 28 to 34.

Day: Mostly cloudy. Patchy fog early in the morning. Slight chance of rain and snow late in the morning. Areas of rain in the afternoon. Chance of precipitation 40 percent. Highs in the upper 30s to mid 40s. Southwest winds to 15 mph.

Night: Partly cloudy. A 20 percent chance of rain in the evening. Lows in the mid 20s to lower 30s.

Day: Partly cloudy. Highs in the 40s.

Night: Mostly cloudy. Lows in the 30s.

Day: Mostly cloudy. Highs in the 50s.

Night: Partly cloudy. Lows in the 30s.

Day: Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs in the upper 40s to mid 50s.

Night: Mostly cloudy. Lows in the upper 20s to mid 30s.

Day: Partly cloudy. Patchy fog in the morning. Highs in the mid 40s to lower 50s.

Night: Mostly cloudy. Patchy fog after midnight. Lows in the 30s.

Day: Mostly cloudy. Patchy fog in the morning. A 20 percent chance of rain in the afternoon. Highs in the upper 40s to mid 50s.

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

Day: Mostly cloudy with a 20 percent chance of rain. Highs in the 50s.

Day: Mostly sunny late in the morning then becoming mostly cloudy. Highs 40 to 46. Southwest winds 5 to 10 mph with gusts to around 30 mph.

Night: Partly cloudy in the evening then clearing. Lows in the upper 20s. Southwest winds up to 10 mph. Gusts up to 35 mph increasing to 45 mph after midnight.

Day: Sunny. Highs 40 to 46. Southwest winds 5 to 15 mph with gusts to around 45 mph.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s. South winds 10 to 15 mph with gusts to around 65 mph.

Day: Partly sunny in the morning then clearing. Highs 46 to 52. South winds 5 to 15 mph. Gusts up to 65 mph decreasing to 30 mph in the afternoon.

Night: Mostly clear. Lows in the mid 30s.

Day: Mostly sunny. Highs 47 to 55.

Night: Mostly cloudy. Lows in the lower 30s.

Day: Mostly sunny. Highs 44 to 50.

Night: Mostly cloudy. Lows in the mid 30s.

Day: Mostly sunny. Highs 45 to 53.

Night: Mostly clear. Lows in the mid 30s.

Day: Mostly sunny. Highs 47 to 55.

Day: Mostly sunny late in the morning then becoming mostly cloudy. Highs in the mid 40s. Northwest winds up to 5 mph.

Night: Partly cloudy. Patchy fog after midnight. Lows in the upper 20s. South winds up to 5 mph.

Day: Sunny. Patchy fog in the morning. Highs in the upper 40s. South winds up to 10 mph.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s. South winds 5 to 10 mph.

Day: Partly sunny in the morning then clearing. Highs in the mid 50s. South winds up to 10 mph shifting to the west in the afternoon.

Night: Mostly clear. Lows in the lower 30s.

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

Night: Mostly cloudy. Lows in the lower 30s. Highs in the lower 50s.

Night: Mostly cloudy. Lows in the lower 30s. Highs in the lower 50s.

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

Night: Mostly clear. Lows in the mid 30s.

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

Day: Mostly sunny. Highs in the lower 50s. Southwest winds 10 to 15 mph with gusts to around 30 mph.

Night: Mostly clear. Lows in the lower 30s. Southwest winds 5 to 15 mph with gusts to around 30 mph.

Day: Mostly sunny. Highs in the mid 50s. Southwest winds 10 to 20 mph with gusts to around 40 mph.

Night: Mostly cloudy. Lows around 40. Southwest winds 10 to 20 mph with gusts to around 35 mph.

Day: Mostly sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph with gusts to around 30 mph.

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

Night: Mostly cloudy. Lows in the mid 30s.

Day: Mostly sunny. Highs in the lower 50s.

Night: Mostly cloudy. Lows in the upper 30s.

Day: Partly cloudy. Highs in the lower 60s. Lows around 40.