Duncan, MT Weather Forecast & Current Conditions

Day: Mostly cloudy with a 20 percent chance of snow. Highs in the lower 30s. Southeast winds up to 10 mph.

Night: Partly cloudy. Patchy fog. Lows 17 to 23. Southwest winds 5 to 15 mph.

Day: Mostly sunny. Patchy fog in the morning. Highs in the upper 30s. West winds 5 to 15 mph.

Night: Partly cloudy. Lows 19 to 25. Southwest winds 5 to 10 mph. Gusts up to 25 mph after midnight.

Day: Sunny. Highs in the mid 40s. Southwest winds 5 to 10 mph with gusts to around 25 mph.

Night: Partly cloudy. Lows 28 to 36.

Night: Mostly clear. Highs 45 to 53. Lows 28 to 36.

Night: Mostly clear. Highs 55 to 63. Lows 34 to 42.

Day: Partly cloudy. Highs 53 to 64. Lows 34 to 42.

Day: Partly cloudy. Highs 53 to 64. Lows 34 to 42.

Day: Mostly cloudy. Slight chance of snow early in the afternoon, then slight chance of rain and snow late in the afternoon. Near steady temperature in the lower 30s. West winds up to 10 mph. Chance of precipitation 20 percent.

Night: Partly cloudy. Patchy dense fog through the night. Lows around 18. South winds up to 10 mph.

Day: Partly sunny in the morning then clearing. Patchy dense fog in the morning. Highs in the lower 40s. South winds up to 5 mph.

Night: Partly cloudy. Patchy fog after midnight. Lows around 20. South winds up to 10 mph.

Day: Sunny. Patchy fog in the morning. Highs in the upper 40s. South winds up to 5 mph.

Night: Not as cold. Partly cloudy. Lows in the lower 30s.

Night: Mostly clear. Highs in the upper 50s. Lows in the upper 20s.

Day: Mostly clear. Highs in the upper 60s. Lows 32 to 38.

Day: Mostly clear. Highs in the upper 60s. Lows 32 to 38.

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

Day: Sunny. Highs in the mid 60s.

Day: Mostly cloudy with a 20 percent chance of snow. Highs in the lower 30s. Southeast winds up to 10 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Patchy fog. Lows 16 to 22. West winds up to 10 mph.

Day: Sunny. Patchy fog in the morning. Highs in the upper 30s. Northwest winds 5 to 10 mph.

Night: Partly cloudy. Lows 17 to 23. Southwest winds up to 10 mph.

Day: Sunny. Highs in the mid 40s. West winds up to 10 mph.

Night: Partly cloudy. Lows 29 to 35.

Night: Mostly clear. Highs 44 to 52. Lows 28 to 34.

Day: Mostly clear. Highs 53 to 64. Lows 34 to 40.

Day: Mostly clear. Highs 53 to 64. Lows 34 to 40.

Day: Mostly clear. Highs 53 to 64. Lows 34 to 40.

Night: Partly cloudy. Areas of fog in the late evening and overnight. Lows 15 to 22.

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

Night: Mostly clear. Patchy fog in the evening. Areas of fog after midnight. Lows 18 to 25.

Day: Mostly sunny. Patchy fog in the morning. Highs in the 50s.

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

Day: Mostly sunny. Areas of fog in the morning. Highs in the 50s.

Night: Clear. Lows in the mid 20s to lower 30s.

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

Night: Mostly clear. Lows in the 30s.

Day: Mostly sunny. Highs in the 60s.

Night: Mostly clear. Lows in the 30s.

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

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

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

Day: Mostly cloudy. A 20 percent chance of snow late in the afternoon. Near steady temperature around 30. South winds 5 to 10 mph.

Night: Partly cloudy. Lows 19 to 25. South winds 5 to 15 mph with gusts to around 30 mph.

Day: Sunny. Patchy fog in the morning. Highs around 40. Southwest winds up to 15 mph with gusts to around 30 mph.

Night: Partly cloudy. Lows in the mid 20s. South winds 5 to 15 mph with gusts to around 30 mph.

Day: Sunny. Highs in the upper 40s. Southwest winds 5 to 15 mph with gusts to around 30 mph.

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

Night: Mostly clear. Highs 48 to 56. Lows 32 to 38.

Night: Mostly clear. Highs 59 to 65. Lows 38 to 44.

Day: Partly cloudy. Highs 59 to 68. Lows 38 to 44.

Day: Partly cloudy. Highs 59 to 68. Lows 38 to 44.

Day: Mostly cloudy with a 20 percent chance of rain and snow. Near steady temperature in the lower 30s. North winds 5 to 10 mph.

Night: Mostly cloudy. Patchy dense fog. Lows in the lower 20s. South winds up to 10 mph.

Day: Mostly sunny. Patchy dense fog in the morning. Highs in the upper 30s. South winds up to 5 mph.

Night: Partly cloudy. Patchy fog. Lows 21 to 27. South winds up to 10 mph.

Day: Mostly sunny. Patchy fog in the morning. Highs in the mid 40s. South winds up to 10 mph.

Night: Partly cloudy. Lows 29 to 37.

Night: Mostly clear. Highs in the mid 50s. Lows 28 to 36.

Day: Mostly clear. Highs in the mid 60s. Lows 34 to 42.

Day: Mostly clear. Highs in the mid 60s. Lows 34 to 42.

Night: Partly cloudy. Lows 35 to 43.

Day: Sunny. Highs in the mid 60s.

Day: Mostly cloudy. Near steady temperature in the lower 30s. South winds 5 to 10 mph.

Night: Mostly cloudy in the evening then clearing. Patchy fog. Lows in the lower 20s. Southwest winds 5 to 15 mph. Gusts up to 25 mph increasing to 35 mph after midnight.

Day: Sunny. Highs in the lower 40s. Southwest winds 5 to 15 mph. Gusts up to 35 mph decreasing to 25 mph in the afternoon.

Night: Partly cloudy. Lows in the mid 20s. Southwest winds 5 to 10 mph with gusts to around 25 mph.

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

Night: Not as cool. Partly cloudy. Lows in the mid 30s.

Day: Sunny. Highs in the lower 50s.

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

Day: Warmer, sunny. Highs in the mid 60s.

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

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

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

Day: Cloudy. Slight chance of snow early in the afternoon, then slight chance of rain and snow late in the afternoon. Highs in the mid 30s. East winds up to 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A 20 percent chance of snow in the evening. Patchy dense fog through the night. Lows in the lower 20s. Southwest winds up to 10 mph.

Day: Mostly sunny. Areas of dense fog in the morning. Highs in the upper 30s. Southwest winds up to 10 mph shifting to the southeast in the afternoon.

Night: Partly cloudy. Patchy fog. Lows around 20. Southwest winds up to 10 mph.

Day: Sunny. Areas of fog in the morning. Highs in the upper 40s. Southwest winds up to 5 mph.

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

Night: Clear. Lows in the upper 20s. Highs in the mid 60s.

Night: Clear. Lows 32 to 38.

Day: Mostly clear. Highs in the mid 60s. Lows 33 to 39.

Day: Mostly clear. Highs in the mid 60s. Lows 33 to 39.

Day: Mostly cloudy. Near steady temperature in the lower 30s. Southwest winds up to 5 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Patchy dense fog. Lows in the lower 20s. South winds up to 15 mph with gusts to around 30 mph.

Day: Sunny. Patchy dense fog in the morning. Highs in the lower 40s. Southwest winds 5 to 15 mph with gusts to around 30 mph.

Night: Partly cloudy. Lows 20 to 26. South winds 5 to 15 mph with gusts to around 30 mph.

Day: Sunny. Highs in the upper 40s. Southwest winds 5 to 15 mph with gusts to around 30 mph.

Night: Not as cold. Partly cloudy. Lows in the mid 30s.

Night: Mostly clear. Highs in the mid 50s. Lows 31 to 37.

Night: Breezy, warmer. Mostly clear. Highs in the upper 60s. Lows 41 to 47.

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

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

Day: Mostly cloudy with a 20 percent chance of snow. Near steady temperature in the upper 20s. West winds up to 10 mph.

Night: Mostly cloudy. Patchy fog. Lows in the lower 20s. Southwest winds up to 10 mph with gusts to around 25 mph.

Day: Mostly sunny. Patchy fog in the morning. Highs in the upper 30s. West winds 5 to 10 mph with gusts to around 25 mph.

Night: Partly cloudy. Lows in the lower 20s. Southwest winds up to 10 mph with gusts to around 25 mph.

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

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

Night: Mostly clear. Highs 43 to 53. Lows 28 to 34.

Day: Mostly clear. Highs 52 to 65. Lows in the upper 30s.

Day: Mostly clear. Highs 52 to 65. Lows in the upper 30s.

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

Day: Sunny. Highs 54 to 62.

Day: Mostly cloudy with a 20 percent chance of snow. Highs in the lower 30s. West winds up to 10 mph.

Night: Mostly cloudy. Patchy dense fog. Lows 16 to 22. South winds up to 10 mph. Gusts up to 25 mph after midnight.

Day: Mostly sunny. Patchy dense fog in the morning. Highs in the upper 30s. West winds up to 10 mph with gusts to around 25 mph.

Night: Partly cloudy. Patchy fog after midnight. Lows 15 to 21. Southwest winds up to 10 mph with gusts to around 25 mph.

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

Night: Partly cloudy. Lows 25 to 31.

Night: Mostly clear. Highs in the lower 50s. Lows 23 to 29.

Day: Mostly clear. Highs in the lower 60s. Lows 31 to 39.

Day: Mostly clear. Highs in the lower 60s. Lows 31 to 39.

Night: Partly cloudy. Lows 32 to 38.

Day: Sunny. Highs in the lower 60s.

Day: Cloudy. Chance of snow early in the afternoon, then slight chance of rain and snow late in the afternoon. Near steady temperature in the lower 30s. Northeast winds up to 10 mph. Chance of precipitation 50 percent.

Night: Mostly cloudy. A 20 percent chance of snow in the evening. Patchy fog through the night. Lows in the lower 20s. West winds up to 10 mph.

Day: Partly sunny in the morning then clearing. Patchy fog in the morning. Highs in the upper 30s. West winds up to 10 mph shifting to the east in the afternoon.

Night: Partly cloudy. Lows 16 to 22. South winds up to 10 mph.

Day: Sunny. Patchy fog in the morning. Highs in the mid 40s. Southwest winds up to 5 mph.

Night: Mostly clear. Lows 25 to 31. Highs in the mid 50s.

Night: Clear. Lows 25 to 31. Highs 58 to 64.

Night: Clear. Lows 30 to 36.

Day: Mostly clear. Highs 60 to 67. Lows 31 to 37.

Day: Mostly clear. Highs 60 to 67. Lows 31 to 37.

Night: Partly cloudy. Patchy fog late in the evening. Areas of fog after midnight. Lows 19 to 26.

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

Night: Mostly clear. Lows in the 20s.

Day: Mostly sunny. Highs in the 50s.

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

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

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

Day: Sunny. Highs in the 60s.

Night: Mostly clear. Lows in the 30s.

Day: Mostly sunny. Highs in the 60s.

Night: Mostly clear. Lows in the 30s.

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

Night: Mostly clear. Lows in the 30s.

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

Day: Cloudy. Slight chance of snow early in the afternoon, then slight chance of rain and snow late in the afternoon. Near steady temperature in the lower 30s. Northwest winds up to 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A 20 percent chance of rain and snow in the evening. Areas of dense fog through the night. Lows in the lower 20s. Southwest winds up to 5 mph.

Day: Mostly cloudy in the morning then clearing. Areas of dense fog in the morning. Highs in the upper 30s. Southwest winds up to 5 mph shifting to the northwest in the afternoon.

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

Day: Sunny. Areas of fog in the morning. Highs in the mid 40s. South winds up to 5 mph shifting to the west in the afternoon.

Night: Mostly clear. Lows 27 to 33. Highs in the mid 50s.

Night: Clear. Lows in the upper 20s. Highs in the mid 60s.

Night: Clear. Lows 32 to 38.

Day: Mostly clear. Highs in the upper 60s. Lows 34 to 40.

Day: Mostly clear. Highs in the upper 60s. Lows 34 to 40.

Night: Partly cloudy. Areas of fog in the late evening and overnight. Lows 18 to 25.

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

Night: Mostly clear. Areas of fog after midnight. Lows in the 20s.

Day: Partly cloudy. Areas of fog in the morning. Highs in the 50s.

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

Day: Mostly sunny. Areas of fog in the morning. Highs in the mid 50s to lower 60s.

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

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

Night: Mostly clear. Lows in the 30s.

Day: Mostly sunny. Highs in the 60s.

Night: Partly cloudy. Lows in the 30s.

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

Night: Mostly clear. Lows in the 30s.

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

Day: Mostly cloudy with a 20 percent chance of snow. Highs 29 to 35. East winds up to 10 mph.

Night: Mostly cloudy. Patchy fog. Lows 14 to 22. North winds up to 10 mph.

Day: Mostly sunny. Patchy fog in the morning. Highs 36 to 42. Northwest winds up to 10 mph.

Night: Mostly clear. Lows 14 to 22. Northwest winds up to 10 mph.

Day: Sunny. Areas of fog in the morning. Highs 42 to 48. West winds up to 10 mph.

Night: Mostly clear. Lows 20 to 30. Highs 47 to 55.

Night: Clear. Lows 21 to 31. Highs 52 to 60.

Night: Mostly clear. Lows 26 to 37. Highs 51 to 61.

Day: Mostly clear. Lows 26 to 37. Highs 51 to 61.

Day: Mostly clear. Lows 26 to 37. Highs 51 to 61.

Day: Mostly cloudy. Highs in the lower 30s. Southwest winds up to 10 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Patchy fog in the evening. Lows in the lower 20s. Southwest winds 5 to 15 mph.

Day: Sunny. Patchy fog in the morning. Highs around 40. West winds 5 to 15 mph with gusts to around 30 mph.

Night: Mostly clear. Lows 20 to 26. Southwest winds 5 to 10 mph with gusts to around 25 mph.

Day: Sunny. Highs in the mid 40s. Southwest winds 5 to 10 mph. Gusts up to 30 mph in the morning.

Night: Partly cloudy. Lows 31 to 37.

Night: Mostly clear. Highs 43 to 51. Lows 29 to 37.

Day: Mostly clear. Highs 55 to 65. Lows 38 to 46.

Day: Mostly clear. Highs 55 to 65. Lows 38 to 46.

Night: Partly cloudy. Lows 37 to 45.

Day: Sunny. Highs 54 to 62.

Day: Mostly cloudy. Near steady temperature in the lower 30s. South winds 5 to 10 mph.

Night: Mostly cloudy. Patchy dense fog. Lows around 18. South winds 5 to 10 mph. Gusts up to 25 mph after midnight.

Day: Mostly sunny. Patchy dense fog in the morning. Highs in the lower 40s. West winds 5 to 15 mph.

Night: Partly cloudy. Patchy fog after midnight. Lows 15 to 21. Southwest winds 5 to 15 mph.

Day: Sunny. Patchy fog in the morning. Highs in the lower 50s. Southwest winds up to 10 mph.

Night: Not as cold. Partly cloudy. Lows in the lower 30s.

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

Day: Warmer, sunny. Highs in the mid 60s.

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

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

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

Day: Cloudy. Chance of snow early in the afternoon, then slight chance of snow and rain late in the afternoon. Highs in the lower 30s. North winds up to 10 mph. Chance of precipitation 50 percent.

Night: Mostly cloudy. A 20 percent chance of snow in the evening. Patchy dense fog in the evening, then areas of dense fog after midnight. Lows in the mid 20s. West winds up to 5 mph.

Day: Mostly sunny. Areas of dense fog in the morning. Highs in the upper 30s. Northwest winds up to 10 mph. Gusts up to 25 mph in the afternoon.

Night: Partly cloudy. Patchy fog after midnight. Lows around 20. Southwest winds up to 10 mph.

Day: Sunny. Patchy fog in the morning. Highs in the mid 40s. South winds up to 5 mph shifting to the west in the afternoon.

Night: Mostly clear. Lows 26 to 32. Highs 52 to 58.

Night: Clear. Lows 26 to 32. Highs in the mid 60s.

Night: Breezy, clear. Lows 33 to 39.

Day: Breezy. Mostly clear. Highs in the mid 60s. Lows 34 to 40.

Day: Breezy. Mostly clear. Highs in the mid 60s. Lows 34 to 40.

Day: Partly sunny. Slight chance of snow early in the afternoon, then chance of sprinkles and slight chance of snow late in the afternoon. Highs in the upper 30s. South winds 5 to 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. Patchy fog in the late evening and overnight. Lows around 20. West winds 5 to 10 mph.

Day: Decreasing clouds. Highs in the mid 40s. Northwest winds 5 to 10 mph.

Night: Partly cloudy. Lows around 19. Northwest winds 5 to 10 mph.

Day: Decreasing clouds. Highs around 50. West winds 5 to 10 mph.

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

Day: Sunny. Highs in the mid 50s.

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

Day: Sunny, warmer. Highs in the upper 60s.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs around 70.

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

Day: Sunny. Highs in the upper 60s.

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

Day: Sunny. Highs in the upper 60s.