Summit Lake, MT Weather Forecast & Current Conditions

Night: Snow likely until early morning, then slight chance of snow late in the night. Patchy fog after midnight. Chance of snow 90 percent. Little or no new snow accumulation. Lows in the 20s to lower 30s. North winds 15 to 20 mph.

Day: Partly cloudy. Areas of fog in the morning. Highs in the upper 30s to mid 40s.

Night: Partly cloudy. Areas of fog. Lows 19 to 26.

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

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

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

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

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

Night: Mostly clear. Lows in the 30s.

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

Night: Mostly cloudy. Areas of rain and snow in the evening, then areas of snow after midnight. Chance of precipitation 40 percent. Lows in the upper 20s to mid 30s. Windy with northeast winds 20 to 30 mph.

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

Night: Mostly clear. Patchy fog through the night. Lows in the 20s.

Day: Partly cloudy in the morning then clearing. Patchy fog in the morning. Highs in the 50s.

Night: Mostly clear. Patchy fog through the night. Lows in the 20s to lower 30s.

Day: Mostly sunny. Patchy fog in the morning. Highs in the 50s to lower 60s.

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

Day: Mostly sunny. 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 to lower 70s.

Night: Partly cloudy. Lows in the 30s.

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

Night: Mostly cloudy. A 50 percent chance of areas of rain and snow until early morning. Lows in the mid 20s to lower 30s. Northeast winds to 15 mph in the evening.

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

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

Day: Mostly sunny. Areas of 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 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 to lower 70s.

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

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

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

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

Night: Snow likely in the evening, then areas of snow after midnight. Patchy fog late in the night. Chance of snow near 100 percent. Snow accumulations of 1 to 3 inches. Lows 19 to 26. North winds 15 to 20 mph. Gusts up to 30 mph in the evening.

Day: Mostly cloudy. Areas of fog in the morning. Highs in the upper 30s to mid 40s.

Night: Mostly cloudy. Areas of fog. Lows 17 to 24.

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

Night: Mostly clear. Patchy fog. Lows 18 to 25.

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

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

Day: Mostly sunny. Highs in the 50s.

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

Day: Partly cloudy in the morning then becoming sunny. Highs in the upper 50s to mid 60s.

Night: Mostly clear. Lows in the upper 20s to mid 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: Rain and snow likely in the evening, then areas of snow after midnight. Areas of rain after midnight. Patchy fog late in the night. Chance of precipitation 90 percent. Snow level 3500 feet. No snow accumulation. Lows in the mid 20s to lower 30s. Northeast winds to 15 mph in the evening.

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

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

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

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

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

Night: Mostly clear. Lows near 30.

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

Night: Mostly clear. Lows near 30.

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

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

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

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

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

Night: Snow likely early in the evening, then areas of snow in the late evening and overnight. Chance of snow 80 percent. Little or no new snow accumulation. Lows in the 20s. Windy with northeast winds 20 to 30 mph with gusts to around 40 mph.

Day: Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs in the upper 30s to mid 40s.

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

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

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

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

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

Day: Mostly sunny. Highs in the 50s.

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

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

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

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

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

Day: Partly cloudy. Highs in the 50s.

Night: Patchy blowing snow early in the evening. Patchy blowing snow in the late evening and early morning. Snow until early morning, then chance of snow late in the night. Snow may be heavy at times in the evening. Visibility one quarter mile or less at times late in the evening. Snow accumulation of 1 to 7 inches. Total snow accumulation 1 to 10 inches. Near steady temperature in the lower 20s. Northeast winds 10 to 20 mph with gusts to around 45 mph. Chance of snow near 100 percent.

Day: Cloudy with a 20 percent chance of snow in the morning, then partly sunny in the afternoon. Highs 30 to 36. Northeast winds up to 10 mph shifting to the southeast in the afternoon.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 19 to 25. Southwest winds up to 10 mph. Gusts up to 25 mph after midnight.

Day: Mostly sunny. Highs in the upper 30s. West winds up to 10 mph. Gusts up to 25 mph in the morning.

Night: Mostly clear. Lows 21 to 27. Southwest winds up to 10 mph.

Day: Mostly clear. Highs 42 to 52. Lows 27 to 33.

Night: Mostly clear. Highs 42 to 52. Lows 27 to 33.

Day: Mostly clear. Highs 52 to 63. Lows 33 to 39.

Day: Mostly clear. Highs 52 to 63. Lows 33 to 39.

Night: Partly cloudy. Lows 34 to 42. Highs 53 to 61.

Night: Breezy. Patchy blowing snow until early morning. Snow until early morning, then chance of snow late in the night. Snow may be heavy at times late in the evening. Snow accumulation of 3 to 8 inches. Total snow accumulation 5 to 13 inches. Near steady temperature in the upper 20s. North winds 10 to 25 mph decreasing to 10 to 15 mph after midnight. Chance of snow near 100 percent.

Day: Mostly cloudy. A 40 percent chance of snow in the morning. Highs in the lower 30s. Northwest winds up to 10 mph shifting to the south in the afternoon.

Night: Mostly cloudy in the evening then clearing. Lows around 20. Southwest winds 5 to 10 mph with gusts to around 25 mph.

Day: Sunny. Highs in the lower 40s. Southwest winds up to 10 mph. Gusts up to 25 mph in the morning.

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

Day: Sunny. Highs in the upper 40s.

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

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

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

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

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

Night: Mostly cloudy until early morning then becoming partly cloudy. Lows in the upper 20s to mid 30s. North winds to 15 mph in the evening.

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

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

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

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

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

Day: Mostly sunny. Highs in the 60s.

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

Day: Partly cloudy. Highs in the 60s.

Night: Partly cloudy. Lows in the 30s.

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

Night: Snow likely in the evening, then areas of snow after midnight. Chance of snow 90 percent. Little or no new snow accumulation. Lows in the 20s. North winds to 15 mph in the evening.

Day: Mostly cloudy. Areas of fog in the morning. Highs in the upper 30s to mid 40s.

Night: Mostly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the 20s.

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

Night: Mostly clear. Patchy fog. Lows in the 20s.

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

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

Day: Mostly sunny. Highs in the 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: Mostly clear. Lows in the 30s.

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

Night: Snow until early morning, then chance of snow late in the night. Snow accumulation of 2 to 6 inches. Total snow accumulation 3 to 10 inches. Lows around 20. North winds 5 to 15 mph. Chance of snow near 100 percent.

Day: Cloudy with a 20 percent chance of snow in the morning, then partly sunny in the afternoon. Highs in the mid 30s. West winds up to 10 mph shifting to the south in the afternoon.

Night: Mostly cloudy in the evening then clearing. Lows in the lower 20s. Southwest winds 5 to 15 mph with gusts to around 30 mph.

Day: Sunny. Highs in the mid 40s. West winds 10 to 15 mph with gusts to around 30 mph decreasing to up to 10 mph in the afternoon.

Night: Mostly clear. Lows in the mid 20s. Southwest winds up to 10 mph with gusts to around 25 mph.

Day: Sunny. Highs in the lower 50s.

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

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

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

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

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

Night: Breezy. Snow until early morning, then chance of snow late in the night. Patchy blowing snow early in the evening. Patchy blowing snow in the late evening and overnight. Snow may be heavy at times in the evening. Visibility one quarter mile or less at times late in the evening. Snow accumulation of 2 to 8 inches. Total snow accumulation 3 to 13 inches. Near steady temperature in the upper 20s. North winds 10 to 25 mph with gusts to around 55 mph. Chance of snow near 100 percent.

Day: Mostly cloudy. A 20 percent chance of snow in the morning. Highs in the lower 30s. North winds up to 10 mph shifting to the south in the afternoon.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 20s. South winds 5 to 15 mph.

Day: Sunny. Highs around 40. Southwest winds up to 10 mph. Gusts up to 25 mph in the morning.

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

Day: Mostly clear. Highs 43 to 52. Lows in the lower 30s.

Night: Mostly clear. Highs 43 to 52. Lows in the lower 30s.

Night: Mostly clear. Highs 54 to 60. Lows 36 to 42.

Day: Sunny. Highs 60 to 66.

Night: Partly cloudy. Lows around 40. Highs 58 to 64.

Night: Patchy blowing snow in the evening. Snow in the evening, then snow likely after midnight. Chance of snow late in the night. Snow accumulation of 1 to 6 inches. Total snow accumulation 2 to 11 inches. Near steady temperature around 20. Northeast winds 5 to 15 mph with gusts to around 35 mph. Chance of snow near 100 percent.

Day: Not as cold. Mostly cloudy with a 20 percent chance of snow in the morning, then mostly sunny in the afternoon. Highs in the mid 30s. Southwest winds 5 to 10 mph.

Night: Partly cloudy. Lows in the lower 20s. Southwest winds 10 to 20 mph with gusts to around 40 mph.

Day: Sunny. Highs 38 to 44. Southwest winds 10 to 15 mph with gusts to around 35 mph shifting to the west in the afternoon.

Night: Mostly clear. Lows in the upper 20s. Southwest winds 5 to 15 mph. Gusts up to 25 mph increasing to 35 mph after midnight.

Day: Sunny. Highs 41 to 51.

Night: Partly cloudy. Lows in the lower 30s. Highs 42 to 52.

Night: Partly cloudy. Lows in the lower 30s. Highs 42 to 52.

Day: Not as cool. Sunny. Highs 49 to 59.

Night: Windy. Partly cloudy. Lows 35 to 45. Highs 45 to 59.

Day: Windy. Partly cloudy. Lows 35 to 45. Highs 45 to 59.

Day: Windy. Partly cloudy. Lows 35 to 45. Highs 45 to 59.

Night: Snow until early morning, then chance of snow late in the night. Snow accumulation of 3 to 5 inches. Total snow accumulation 4 to 8 inches. Near steady temperature in the upper 20s. North winds 10 to 15 mph with gusts to around 30 mph. Chance of snow near 100 percent.

Day: Cloudy. A 50 percent chance of snow in the morning. Highs in the mid 30s. Northwest winds 5 to 10 mph shifting to the southwest in the afternoon.

Night: Mostly cloudy. Lows around 18. Southwest winds up to 10 mph.

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

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

Day: Sunny. Highs in the upper 40s.

Night: Partly cloudy. Lows in the upper 20s. Highs in the mid 50s.

Night: Mostly clear. Lows in the upper 20s. Highs in the lower 60s.

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

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

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

Night: Snow until early morning, then chance of snow late in the night. Patchy blowing snow in the late evening and early morning. Snow accumulation of 4 to 8 inches. Total snow accumulation 5 to 12 inches. Near steady temperature in the upper 20s. North winds 5 to 15 mph with gusts to around 30 mph. Chance of snow near 100 percent.

Day: Cloudy. A 50 percent chance of snow in the morning. Highs in the mid 30s. Northwest winds up to 10 mph shifting to the southwest in the afternoon.

Night: Mostly cloudy in the evening then clearing. Lows in the lower 20s. South winds up to 10 mph.

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

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

Day: Sunny. Highs in the upper 40s.

Night: Partly cloudy. Lows around 30.

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

Night: Mostly clear. Highs in the lower 60s. Lows 38 to 44.

Day: Windy, sunny. Highs in the upper 60s.

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

Night: Patchy blowing snow early in the evening. Snow until early morning, then chance of snow late in the night. Snow accumulation of 2 to 4 inches. Total snow accumulation 3 to 6 inches. Near steady temperature in the upper 20s. North winds 10 to 20 mph. Chance of snow near 100 percent.

Day: Cloudy. A 40 percent chance of snow in the morning. Highs in the mid 30s. Northwest winds 5 to 10 mph shifting to the south in the afternoon.

Night: Mostly cloudy. Lows around 19. Southwest winds up to 10 mph with gusts to around 25 mph.

Day: Not as cool. Sunny. Highs in the mid 40s. West winds up to 10 mph.

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

Day: Sunny. Highs in the mid 50s.

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

Night: Mostly clear. Lows in the upper 20s. Highs in the lower 60s.

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

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

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

Night: Patchy blowing snow until early morning. Snow until early morning, then chance of snow late in the night. Snow accumulation of 2 to 6 inches. Total snow accumulation 3 to 8 inches. Near steady temperature in the upper 20s. Northwest winds 10 to 20 mph with gusts to around 45 mph. Chance of snow near 100 percent.

Day: Cloudy in the morning then becoming partly sunny. Highs in the mid 30s. West winds up to 10 mph.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 20s. South winds up to 5 mph.

Day: Mostly sunny. Highs in the lower 40s. Southwest winds up to 5 mph.

Night: Mostly clear. Lows in the lower 20s. Southwest winds up to 5 mph.

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

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

Night: Mostly clear. Highs around 60. Lows in the lower 30s.

Day: Sunny. Highs in the upper 60s.

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

Day: Sunny. Highs in the mid 60s.

Night: A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Snow level 3500 feet. Lows in the lower to mid 30s. Gusts up to 30 mph decreasing to 20 mph overnight. Chance of precipitation 20 percent.

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

Night: Mostly clear. Widespread frost overnight. Lows in the mid 20s to lower 30s.

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

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

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

Day: Mostly clear. Highs in the upper 60s to lower 70s. Lows in the 30s.

Day: Mostly clear. Highs in the upper 60s to lower 70s. Lows in the 30s.

Night: Mostly clear. Lows in the upper 30s to mid 40s. Highs in the upper 60s.

Night: Mostly clear. Lows in the upper 30s to mid 40s. Highs in the upper 60s.

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

Night: Snow until early morning, then chance of snow late in the night. Patchy blowing snow in the late evening and early morning. Snow accumulation of 2 to 7 inches. Total snow accumulation 3 to 10 inches. Near steady temperature in the lower 20s. North winds 10 to 15 mph with gusts to around 40 mph. Chance of snow near 100 percent.

Day: Cloudy in the morning then becoming partly sunny. Highs 29 to 35. North winds up to 10 mph shifting to the southeast in the afternoon.

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 18 to 24. West winds up to 10 mph.

Day: Sunny. Highs 36 to 42. West winds up to 10 mph.

Night: Mostly clear. Lows 20 to 26. West winds up to 10 mph.

Day: Mostly clear. Highs 41 to 51. Lows 26 to 32.

Night: Mostly clear. Highs 41 to 51. Lows 26 to 32.

Night: Mostly clear. Highs 50 to 58. Lows 32 to 38.

Day: Mostly clear. Highs 53 to 63. Lows 33 to 39.

Day: Mostly clear. Highs 53 to 63. Lows 33 to 39.

Night: Mostly cloudy. Slight chance of rain early in the evening, then slight chance of rain and snow late in the evening. Chance of precipitation 20 percent. Lows in the upper 20s to mid 30s. Northeast winds 15 to 20 mph.

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

Night: Mostly clear. Areas of fog through the night. Lows 19 to 26.

Day: Sunny. Patchy fog in the morning. Highs in the 50s.

Night: Clear. Areas of fog in the evening. Patchy fog after midnight. Lows in the 20s.

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

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

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

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

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

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

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

Night: Partly cloudy. Lows in the 30s.

Day: Partly cloudy. Highs in the 60s.