Sun River, MT Weather Forecast & Current Conditions

Day: Breezy. Mostly sunny. Highs in the lower 60s. Southwest winds 10 to 25 mph.

Night: Breezy. Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. South winds 5 to 15 mph with gusts to around 35 mph increasing to 10 to 25 mph with gusts to around 50 mph after midnight.

Day: Very windy. Partly sunny. Highs in the lower 60s. Southwest winds 20 to 30 mph shifting to the west 25 to 40 mph in the afternoon. Gusts up to 55 mph.

Night: Breezy. Mostly cloudy. Lows around 40. Southwest winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. Gusts up to 40 mph.

Day: Partly sunny. Highs in the mid 50s. Southwest winds up to 10 mph.

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

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

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

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

Day: Mostly sunny. Highs in the lower 60s. Southwest winds 10 to 20 mph.

Night: Mostly cloudy. Lows in the lower 40s. South winds 5 to 10 mph increasing to 10 to 20 mph with gusts to around 35 mph after midnight.

Day: Windy. Partly sunny. Highs in the lower 60s. Southwest winds 15 to 30 mph shifting to the west 25 to 35 mph in the afternoon.

Night: Mostly cloudy. Lows in the mid 30s. Southwest winds up to 15 mph. Gusts up to 30 mph in the evening.

Day: Partly sunny. Highs in the mid 50s. Southwest winds 5 to 10 mph.

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

Night: Breezy. Partly cloudy. Highs in the upper 50s. Lows around 40.

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

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

Day: Partly sunny. Highs in the upper 50s. Southwest winds 5 to 15 mph.

Night: Mostly cloudy. Lows in the lower 40s. South winds 5 to 15 mph. Gusts up to 30 mph increasing to 70 mph after midnight.

Day: Windy. Partly sunny. Highs in the upper 50s. Southwest winds 20 to 35 mph. Gusts up to 80 mph decreasing to 70 mph in the afternoon.

Night: Mostly cloudy. Lows in the mid 30s. Southwest winds up to 15 mph. Gusts up to 60 mph decreasing to 50 mph after midnight.

Day: Mostly cloudy. Highs in the lower 50s. Southwest winds up to 10 mph.

Night: Breezy. Mostly cloudy. Lows around 40. Highs in the mid 50s.

Night: Breezy. Mostly cloudy. Lows around 40. Highs in the mid 50s.

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

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

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

Day: Partly sunny. Highs 52 to 58. Southwest winds 5 to 15 mph with gusts to around 30 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 38 to 44. South winds 5 to 20 mph. Gusts up to 30 mph increasing to 50 mph after midnight.

Day: Windy. Partly sunny. Highs 54 to 60. Southwest winds 15 to 30 mph with gusts to around 55 mph.

Night: Mostly cloudy. Lows in the upper 30s. Southwest winds 5 to 15 mph with gusts to around 40 mph.

Day: Mostly cloudy. Highs 49 to 55. Southwest winds up to 10 mph with gusts to around 25 mph.

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

Night: Breezy. Partly cloudy. Highs 49 to 55. Lows 38 to 44.

Night: Partly cloudy. Highs 54 to 61. Lows 37 to 44.

Day: Partly sunny. Highs 54 to 60.

Day: Breezy. Mostly sunny. Highs in the lower 60s. West winds 15 to 25 mph decreasing to 10 to 15 mph in the afternoon.

Night: Mostly cloudy. Lows in the lower 40s. South winds up to 15 mph. Gusts up to 35 mph after midnight.

Day: Windy. Mostly cloudy. Highs in the mid 60s. Southwest winds 15 to 30 mph with gusts to around 55 mph.

Night: Mostly cloudy. Lows in the upper 30s. West winds 5 to 20 mph with gusts to around 45 mph.

Day: Cooler. Partly sunny. Highs in the mid 50s. Southwest winds up to 10 mph. Gusts up to 25 mph in the morning.

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

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

Night: Partly cloudy. Highs in the mid 60s. Lows 40 to 46.

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

Day: Not as cool. Mostly sunny late in the morning then becoming mostly cloudy. Highs 42 to 52. West winds 5 to 10 mph with gusts to around 25 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Near steady temperature around 40. Southwest winds 5 to 20 mph. Gusts up to 30 mph increasing to 75 mph after midnight.

Day: Windy. Mostly sunny. Highs 42 to 50. West winds 20 to 30 mph. Gusts up to 80 mph decreasing to 70 mph in the afternoon.

Night: Breezy, colder. Partly cloudy in the evening then becoming mostly cloudy. Lows 28 to 34. West winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. Gusts up to 65 mph.

Day: Mostly cloudy. Highs 39 to 47. West winds up to 10 mph with gusts to around 25 mph.

Night: Mostly cloudy. Chance of snow and slight chance of rain after midnight. Near steady temperature in the mid 30s. Chance of precipitation 40 percent.

Day: Breezy. Partly sunny. A 20 percent chance of rain and snow in the morning. Highs 38 to 46.

Night: Breezy. Mostly cloudy. Lows 34 to 41. Highs 45 to 55.

Night: Breezy. Mostly cloudy. Lows 34 to 41. Highs 45 to 55.

Day: Partly cloudy. Highs 46 to 59. Lows 35 to 41.

Day: Partly cloudy. Highs 46 to 59. Lows 35 to 41.

Day: Breezy, sunny. Highs in the lower 60s. West winds 15 to 25 mph decreasing to 10 to 15 mph in the afternoon.

Night: Breezy. Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 40s. South winds 5 to 15 mph with gusts to around 30 mph increasing to 10 to 25 mph with gusts to around 45 mph after midnight.

Day: Windy. Mostly cloudy. Highs in the lower 60s. Southwest winds 15 to 30 mph shifting to the west in the afternoon. Gusts up to 50 mph.

Night: Mostly cloudy. Lows in the upper 30s. West winds 5 to 15 mph with gusts to around 45 mph.

Day: Partly sunny. Highs in the mid 50s. West winds up to 10 mph. Gusts up to 30 mph in the morning.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows around 40.

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

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

Day: Mostly sunny. Highs 48 to 56. West winds 5 to 15 mph with gusts to around 35 mph.

Night: Breezy. Partly cloudy in the evening then becoming mostly cloudy. Near steady temperature in the lower 40s. South winds 10 to 15 mph with gusts to around 35 mph increasing to 15 to 25 mph with gusts to around 50 mph after midnight.

Day: Windy. Partly sunny. Highs 50 to 58. Southwest winds 15 to 30 mph with gusts to around 55 mph.

Night: Mostly cloudy. Lows 34 to 40. West winds 5 to 15 mph with gusts to around 45 mph.

Day: Mostly cloudy. Highs 46 to 52. Southwest winds 5 to 10 mph with gusts to around 30 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 34 to 42.

Night: Windy. Partly cloudy. Highs 46 to 52. Lows 35 to 43.

Day: Partly cloudy. Highs 50 to 62. Lows 37 to 47.

Day: Breezy. Mostly sunny. Highs in the upper 50s. Southwest winds 15 to 25 mph.

Night: Mostly cloudy. Lows in the upper 30s. South winds 5 to 15 mph. Gusts up to 45 mph after midnight.

Day: Very windy. Partly sunny. Highs in the mid 50s. Southwest winds 20 to 30 mph increasing to west 30 to 45 mph in the afternoon. Gusts up to 75 mph.

Night: Mostly cloudy. Lows in the lower 30s. West winds 5 to 20 mph. Gusts up to 35 mph in the evening.

Day: Mostly cloudy in the morning then becoming mostly sunny. Highs in the lower 50s. Southwest winds 5 to 10 mph.

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

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

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

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

Night: Mostly cloudy. Lows in the upper 30s. Highs around 60.

Day: Mostly sunny late in the morning then becoming mostly cloudy. Highs in the mid 50s. Southwest winds 10 to 20 mph.

Night: Mostly cloudy. Lows in the lower 40s. South winds 5 to 15 mph. Gusts up to 30 mph increasing to 70 mph after midnight.

Day: Strong winds. Mostly sunny. Highs in the lower 50s. West winds 30 to 55 mph with gusts to around 80 mph.

Night: Mostly cloudy. Lows in the lower 30s. West winds 10 to 20 mph decreasing to 5 to 10 mph after midnight. Gusts up to 70 mph.

Day: Partly sunny. Highs in the upper 40s. Southwest winds 5 to 10 mph with gusts to around 30 mph.

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

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

Night: Breezy. Mostly cloudy. Highs in the upper 50s. Lows in the lower 40s.

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

Night: Mostly cloudy. Lows in the lower 40s. Highs in the upper 50s.

Day: Not as cool. Sunny late in the morning then becoming partly sunny. Highs 47 to 53. Southwest winds up to 10 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 34 to 40. Southwest winds 5 to 15 mph. Gusts up to 30 mph increasing to 40 mph after midnight.

Day: Breezy. Mostly sunny. Highs 46 to 54. Southwest winds 15 to 25 mph with gusts to around 40 mph.

Night: Mostly cloudy. Lows 30 to 36. West winds 5 to 15 mph with gusts to around 45 mph.

Day: Mostly cloudy. Highs 44 to 50. Southwest winds up to 10 mph.

Night: Mostly cloudy. A 20 percent chance of light freezing rain after midnight. Lows 33 to 39.

Night: Mostly cloudy. Highs 42 to 48. Lows 33 to 39.

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

Day: Partly cloudy. Highs 49 to 58. Lows 33 to 39.

Day: Partly cloudy. Highs 49 to 58. Lows 33 to 39.

Day: Mostly sunny. Highs in the upper 50s. Southeast winds up to 10 mph.

Night: Partly cloudy. Lows in the mid 30s. South winds 5 to 15 mph with gusts to around 30 mph.

Day: Partly sunny. Highs in the lower 60s. South winds 5 to 15 mph shifting to the west 10 to 15 mph in the afternoon. Gusts up to 35 mph.

Night: Mostly cloudy. Lows in the mid 30s. West winds up to 10 mph.

Day: Mostly cloudy. Highs in the mid 50s. South winds up to 5 mph.

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

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

Day: Partly cloudy. Lows in the mid 30s. Highs around 60.

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

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

Day: Mostly sunny. Highs around 60. West winds 10 to 20 mph.

Night: Mostly cloudy. Lows in the upper 30s. Southeast winds up to 15 mph. Gusts up to 30 mph increasing to 40 mph after midnight.

Day: Very windy. Mostly cloudy in the morning then becoming mostly sunny. Highs 57 to 63. Southwest winds 15 to 25 mph increasing to west 25 to 40 mph in the afternoon. Gusts up to 60 mph.

Night: Mostly cloudy. Lows in the mid 30s. West winds 15 to 20 mph decreasing to 5 to 15 mph after midnight. Gusts up to 35 mph.

Day: Partly sunny. Highs in the lower 50s. Southwest winds up to 10 mph.

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

Night: Breezy. Partly cloudy. Highs in the upper 50s. Lows in the upper 30s.

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

Night: Mostly cloudy. Lows in the upper 30s. Highs in the lower 60s.

Day: Sunny late in the morning then becoming partly sunny. Highs 47 to 53. Southwest winds up to 10 mph.

Night: Partly cloudy. Lows 33 to 39. Southwest winds 5 to 15 mph. Gusts up to 35 mph increasing to 45 mph after midnight.

Day: Mostly sunny. Highs 49 to 57. Southwest winds 10 to 20 mph with gusts to around 45 mph.

Night: Mostly cloudy. Lows 31 to 37. West winds up to 10 mph.

Day: Mostly cloudy. Highs 45 to 51. Southwest winds up to 10 mph.

Night: Mostly cloudy. Lows 31 to 37.

Day: Partly cloudy. Highs 44 to 57. Lows 32 to 38.

Day: Partly cloudy. Highs 44 to 57. Lows 32 to 38.

Day: Partly cloudy. Highs 44 to 57. Lows 32 to 38.

Day: Partly cloudy. Highs 44 to 57. Lows 32 to 38.

Day: Sunny late in the morning then becoming partly sunny. Highs in the mid 50s. South winds up to 10 mph.

Night: Partly cloudy. Lows 33 to 41. South winds 5 to 20 mph with gusts to around 40 mph.

Day: Partly sunny. Highs around 60. South winds 10 to 20 mph shifting to the southwest 10 to 15 mph in the afternoon. Gusts up to 35 mph.

Night: Mostly cloudy. Lows in the upper 30s. Northwest winds up to 10 mph with gusts to around 25 mph.

Day: Mostly cloudy. Highs in the lower 50s. South winds up to 10 mph.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 34 to 40.

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

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

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

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

Day: Sunny. Highs in the mid 50s. Southwest winds 5 to 10 mph with gusts to around 35 mph.

Night: Partly cloudy. Lows in the mid 30s. South winds 5 to 15 mph with gusts to around 35 mph.

Day: Breezy. Partly sunny. Highs in the upper 50s. South winds 10 to 20 mph shifting to the west 10 to 25 mph in the afternoon. Gusts up to 45 mph.

Night: Mostly cloudy. Lows in the mid 30s. West winds up to 10 mph with gusts to around 30 mph.

Day: Mostly cloudy. Highs in the lower 50s. Southwest winds up to 10 mph.

Night: Mostly cloudy. Lows 30 to 36.

Day: Partly cloudy. Highs in the lower 50s. Lows 30 to 37.

Night: Partly cloudy. Highs in the lower 50s. Lows 30 to 37.

Day: Partly cloudy. Highs in the upper 50s. Lows 32 to 38.

Day: Partly cloudy. Highs in the upper 50s. Lows 32 to 38.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the 30s. South winds 15 to 25 mph. Gusts up to 30 mph after midnight.

Day: Mostly cloudy. Highs in the 50s. Southwest winds 15 to 25 mph with gusts to around 35 mph.

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

Day: Mostly cloudy. Patchy fog in the morning. Highs in the upper 40s to mid 50s. Southwest winds to 15 mph.

Night: Mostly cloudy. A 20 percent chance of rain and snow after midnight. Areas of fog after midnight. Lows in the upper 20s to mid 30s. Southwest winds to 15 mph.

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

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

Day: Partly cloudy. Highs in the 50s.

Night: Partly cloudy. Lows in the 30s.

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

Night: Partly cloudy. Lows in the 30s.

Day: Partly cloudy. Highs in the 50s.

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.

Day: Breezy, sunny. Highs in the lower 60s. West winds 10 to 25 mph shifting to the northwest 10 to 15 mph in the afternoon.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 40s. South winds 5 to 15 mph. Gusts up to 25 mph increasing to 40 mph after midnight.

Day: Breezy. Mostly cloudy. Highs in the upper 60s. West winds 15 to 25 mph with gusts to around 40 mph.

Night: Breezy. Mostly cloudy. Lows around 40. West winds 10 to 25 mph decreasing to 10 to 15 mph after midnight. Gusts up to 45 mph.

Day: Cooler. Partly sunny. Highs in the mid 50s. West winds up to 10 mph. Gusts up to 25 mph in the morning.

Night: Mostly cloudy. Lows around 40.

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

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

Day: Sunny. Highs in the lower 60s. West winds 5 to 15 mph.

Night: Mostly cloudy. Lows in the upper 30s. Southeast winds 5 to 10 mph. Gusts up to 25 mph after midnight.

Day: Windy. Partly sunny. Highs in the mid 60s. Southwest winds 15 to 25 mph increasing to west 25 to 35 mph in the afternoon. Gusts up to 50 mph.

Night: Breezy. Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 30s. West winds 15 to 25 mph decreasing to 10 to 15 mph after midnight.

Day: Cooler. Partly sunny. Highs in the lower 50s. Southwest winds up to 10 mph.

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

Day: Breezy. Partly cloudy. Highs 59 to 64. Lows in the upper 30s.

Day: Breezy. Partly cloudy. Highs 59 to 64. Lows in the upper 30s.

Day: Breezy. Partly cloudy. Highs 59 to 64. Lows in the upper 30s.

Night: Mostly cloudy. Lows in the upper 30s. Highs in the lower 60s.

Night: Mostly cloudy until early morning then becoming partly cloudy. Lows in the 30s.

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

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

Day: Mostly cloudy. A 20 percent chance of rain and snow in the morning. Areas of fog in the morning. Highs in the 40s.

Night: Mostly cloudy. Patchy fog in the evening, then areas of fog after midnight. A 40 percent chance of rain and snow after midnight. Lows in the 30s.

Day: Mostly cloudy. A 30 percent chance of rain in the morning. Patchy fog in the morning. Highs in the 40s.

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

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

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the 30s.

Day: Partly cloudy. Highs in the 50s.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the 30s.

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

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

Day: Partly cloudy. A chance of rain and snow in the morning, then slight chance of rain in the afternoon. Chance of precipitation 30 percent. Highs in the mid 40s to lower 50s.