Cheff Lake, MT Weather Forecast & Current Conditions

Day: Mostly sunny. Widespread frost in the morning. Patchy fog early in the morning. Highs in the upper 40s to mid 50s.

Night: Mostly clear. Areas of frost in the evening. Widespread frost after midnight. Lows in the upper 20s to mid 30s.

Day: Partly cloudy. Widespread frost and patchy fog in the morning. Highs in the mid 50s to lower 60s.

Night: Partly cloudy. Widespread frost after midnight. Lows in the upper 20s to mid 30s.

Day: Partly cloudy. Widespread frost in the morning. Highs in the upper 50s to mid 60s. South winds to 15 mph with gusts to around 30 mph.

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

Day: Mostly sunny. Highs in the 50s.

Night: Partly cloudy. Lows in the 30s.

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

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

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

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

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

Day: Mostly sunny. Widespread frost in the morning. Highs in the 50s.

Night: Mostly clear. Areas of frost and patchy fog after midnight. Lows in the upper 20s to mid 30s.

Day: Partly cloudy. Widespread frost and patchy fog in the morning. Highs in the mid 50s to lower 60s.

Night: Partly cloudy. Areas of frost after midnight. Lows in the 30s.

Day: Partly cloudy. Areas of frost in the morning. Highs in the 60s to lower 70s. South winds 15 to 25 mph with gusts to around 35 mph.

Night: Partly cloudy. Lows in the 30s.

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

Night: Partly cloudy. Lows in the 30s.

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

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

Day: Mostly cloudy. Highs in the 50s.

Night: Partly cloudy. Lows in the 30s.

Day: Mostly sunny. Highs in the 50s.

Day: Mostly sunny. Widespread frost and patchy fog early in the morning. Areas of frost late in the morning. Highs in the mid 50s to lower 60s.

Night: Mostly clear. Areas of frost after midnight. Lows in the 30s.

Day: Partly cloudy. Widespread frost in the morning. Highs in the 60s.

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

Day: Partly cloudy. Areas of frost in the morning. Highs in the 60s. Southwest winds 15 to 20 mph with gusts to around 35 mph.

Night: Partly cloudy. Lows in the 30s.

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

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

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

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

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

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

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

Day: Mostly sunny. Widespread frost and patchy fog early in the morning. Areas of frost late in the morning. Highs in the mid to upper 50s.

Night: Mostly clear. Widespread frost after midnight. Lows in the upper 20s to mid 30s.

Day: Partly cloudy. Widespread frost in the morning. Highs in the 60s.

Night: Partly cloudy. Lows in the 30s.

Day: Partly cloudy. Highs in the mid 60s to lower 70s. South winds to 15 mph.

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

Day: Mostly sunny. Highs near 60.

Night: Partly cloudy. Lows in the 30s.

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

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

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

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

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

Day: Mostly sunny. Widespread frost in the morning. Highs in the upper 40s to mid 50s. East winds to 15 mph in the morning.

Night: Mostly clear. Widespread frost and areas of fog after midnight. Lows in the upper 20s to mid 30s.

Day: Partly cloudy. Widespread frost in the morning. Highs in the 50s. Southwest winds to 15 mph.

Night: Partly cloudy. Areas of frost after midnight. Lows in the 30s. South winds to 15 mph.

Day: Mostly sunny. Widespread frost in the morning. Highs in the mid 50s to lower 60s. Windy with southwest winds 20 to 30 mph with gusts to around 45 mph.

Night: Partly cloudy. Lows in the 30s.

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

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

Day: Partly cloudy. Highs in the 50s.

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

Day: Mostly cloudy with a slight chance of rain. Slight chance of snow in the afternoon. Chance of precipitation 20 percent. Highs in the upper 40s to mid 50s.

Night: Mostly cloudy with a 20 percent chance of rain and snow in the evening, then partly cloudy after midnight. Lows in the 30s.

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

Day: Mostly sunny. Widespread frost in the morning. Patchy fog early in the morning. Highs in the mid 40s to lower 50s.

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

Day: Partly cloudy. Widespread frost in the morning. Highs in the mid 50s to lower 60s. South winds to 15 mph.

Night: Partly cloudy. Lows in the upper 20s to mid 30s. South winds 15 to 20 mph.

Day: Partly cloudy. Highs in the upper 50s to mid 60s. Southwest winds 15 to 20 mph with gusts to around 30 mph.

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

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

Night: Mostly clear. Lows in the 30s.

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

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

Day: Partly cloudy with a slight chance of rain. Slight chance of snow in the morning. Chance of precipitation 20 percent. 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. Lows in the upper 20s to mid 30s.

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

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

Night: Partly cloudy. Areas of frost and patchy fog after midnight. Lows in the upper 20s to mid 30s.

Day: Partly cloudy. Widespread frost and areas of fog in the morning. Highs in the upper 50s to mid 60s.

Night: Mostly clear. Areas of frost after midnight. Lows in the 30s.

Day: Mostly sunny. Widespread frost in the morning. Highs in the 60s. South winds to 15 mph with gusts to around 30 mph.

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

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

Night: Mostly cloudy. Lows in the 30s.

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

Night: Mostly cloudy. Lows in the 30s.

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

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

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

Day: Sunny. Highs 37 to 43. East winds up to 5 mph. Gusts up to 20 mph in the morning.

Night: Mostly clear. Lows in the upper 20s. South winds up to 10 mph. Gusts up to 25 mph after midnight.

Day: Not as cool. Mostly sunny. Highs 52 to 58. Southwest winds up to 10 mph with gusts to around 25 mph.

Night: Partly cloudy. Lows 31 to 37. Southwest winds up to 15 mph with gusts to around 30 mph.

Day: Mostly sunny. Highs 56 to 64. Southwest winds 5 to 15 mph with gusts to around 35 mph.

Night: Partly cloudy. Lows 30 to 36.

Night: Mostly clear. Highs 49 to 57. Lows 32 to 38.

Night: Partly cloudy. Highs 53 to 61. Lows 34 to 40.

Night: Mostly cloudy. A 20 percent chance of rain and snow. Highs 45 to 53. Lows 30 to 36.

Day: Mostly sunny. Highs 45 to 53.

Day: Sunny. Highs in the upper 40s. Northwest winds up to 5 mph shifting to the southeast in the afternoon.

Night: Mostly clear. Lows in the lower 30s. South winds up to 10 mph. Gusts up to 30 mph after midnight.

Day: Warmer. Mostly sunny. Highs in the mid 60s. Southwest winds 5 to 15 mph with gusts to around 35 mph.

Night: Not as cool. Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. Southwest winds 5 to 15 mph. Gusts up to 35 mph increasing to 45 mph after midnight.

Day: Windy. Mostly sunny. Highs in the upper 60s. Southwest winds 10 to 20 mph increasing to 15 to 30 mph in the afternoon. Gusts up to 60 mph.

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

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

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

Night: Mostly cloudy. Lows around 40.

Night: Mostly cloudy. A 20 percent chance of rain. Highs in the lower 50s. Lows in the mid 30s.

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

Day: Mostly sunny. Widespread frost in the morning. Patchy fog early in the morning. Highs in the upper 40s to mid 50s.

Night: Mostly clear. Widespread frost after midnight. Lows in the upper 20s to mid 30s. Southeast winds to 15 mph.

Day: Partly cloudy. Widespread frost in the morning. Highs in the mid 50s to lower 60s. South winds to 15 mph.

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

Day: Partly cloudy. Widespread frost in the morning. Highs in the upper 50s to mid 60s. South winds to 15 mph.

Night: Partly cloudy. Patchy fog after midnight. 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.

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

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

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 upper 40s to mid 50s.

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

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

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

Night: Partly cloudy. Lows in the lower 30s. South winds 5 to 10 mph. Gusts up to 25 mph increasing to 35 mph after midnight.

Day: Warmer. Mostly sunny. Highs 59 to 65. Southwest winds 5 to 15 mph with gusts to around 40 mph.

Night: Breezy. Not as cool. Mostly cloudy. Lows in the mid 40s. Southwest winds 10 to 25 mph with gusts to around 55 mph.

Day: Windy. Mostly sunny. Highs 61 to 67. Southwest winds 10 to 25 mph with gusts to around 50 mph increasing to 25 to 35 mph with gusts to around 75 mph in the afternoon.

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

Day: Cooler, sunny. Highs in the mid 50s.

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

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

Day: Partly sunny. Highs around 50.

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

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

Day: Sunny. Highs 38 to 46. Northwest winds up to 5 mph shifting to the south in the afternoon.

Night: Partly cloudy. Lows 29 to 35. Southwest winds 5 to 10 mph with gusts to around 35 mph increasing to 10 to 20 mph with gusts to around 50 mph after midnight.

Day: Breezy. Not as cool. Mostly sunny. Highs 45 to 57. Southwest winds 15 to 25 mph with gusts to around 50 mph.

Night: Windy. Mostly cloudy in the evening then becoming partly cloudy. Near steady temperature in the mid 40s. Southwest winds 15 to 30 mph with gusts to around 60 mph.

Day: Very windy. Sunny. Highs 48 to 58. Southwest winds 20 to 30 mph with gusts to around 65 mph increasing to 25 to 45 mph with gusts to around 75 mph in the afternoon.

Night: Windy, colder. Partly cloudy. Lows in the lower 30s.

Day: Sunny. Highs 41 to 51.

Night: Mostly cloudy. Lows 31 to 37. Highs 45 to 55.

Night: Mostly cloudy. Lows 31 to 37. Highs 45 to 55.

Day: Partly sunny. A 20 percent chance of rain and snow in the afternoon. Highs 40 to 48.

Night: Mostly cloudy with a 20 percent chance of rain and snow in the evening, then partly cloudy after midnight. Lows in the lower 30s.

Day: Sunny. Highs 40 to 50.

Day: Areas of frost in the morning. Sunny. Highs in the mid to upper 60s.

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

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

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

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

Night: Partly cloudy. Lows in the mid 30s to lower 40s. Highs in the lower to mid 60s.

Day: Partly cloudy. Lows in the mid 30s to lower 40s. Highs in the lower to mid 60s.

Night: Partly cloudy. Lows in the mid 30s to lower 40s. Highs in the lower to mid 60s.

Day: Partly cloudy. Highs in the upper 50s to lower 60s. Lows in the mid 30s to lower 40s.

Day: Partly cloudy. Highs in the upper 50s to lower 60s. Lows in the mid 30s to lower 40s.

Day: Sunny. Highs in the lower 40s. North winds up to 5 mph shifting to the southeast in the afternoon.

Night: Mostly clear. Lows in the lower 30s. South winds up to 10 mph increasing to 10 to 15 mph with gusts to around 35 mph after midnight.

Day: Not as cool. Mostly sunny. Highs 55 to 61. South winds 10 to 15 mph with gusts to around 40 mph.

Night: Partly cloudy. Lows 37 to 43. South winds 10 to 20 mph. Gusts up to 30 mph increasing to 40 mph after midnight.

Day: Mostly sunny. Highs 62 to 68. South winds 10 to 20 mph with gusts to around 40 mph.

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

Day: Sunny. Highs 55 to 61.

Night: Partly cloudy. Lows in the upper 30s. Highs 56 to 62.

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

Night: Mostly cloudy. A 20 percent chance of rain. Highs 50 to 56. Lows in the mid 30s.

Day: Mostly sunny. Highs 49 to 55.

Day: Sunny. Highs in the upper 40s. Northwest winds up to 10 mph shifting to the southwest in the afternoon.

Night: Mostly clear. Lows in the lower 30s. South winds up to 10 mph. Gusts up to 25 mph after midnight.

Day: Warmer. Partly sunny in the morning then clearing. Highs in the mid 60s. Southwest winds 5 to 15 mph with gusts to around 30 mph.

Night: Partly cloudy. Lows in the lower 40s. Southwest winds 10 to 15 mph with gusts to around 30 mph.

Day: Breezy. Partly sunny. Highs around 70. Southwest winds 15 to 25 mph. Gusts up to 40 mph in the afternoon.

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

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

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

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

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

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

Day: Partly sunny early in the morning then clearing. Highs in the upper 40s. West winds up to 5 mph.

Night: Mostly clear. Lows in the mid 30s. South winds up to 15 mph. Gusts up to 25 mph increasing to 35 mph after midnight.

Day: Breezy, warmer, sunny. Highs in the mid 60s. South winds 15 to 25 mph with gusts to around 40 mph.

Night: Breezy. Not as cool. Partly cloudy. Lows in the mid 40s. South winds 10 to 25 mph. Gusts up to 40 mph after midnight.

Day: Windy. Mostly sunny. Highs around 70. Southwest winds 15 to 30 mph.

Night: Partly cloudy. Lows around 40.

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

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

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

Night: Mostly cloudy. A 20 percent chance of rain. Highs in the mid 50s. Lows in the upper 30s.

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

Day: Sunny. Widespread frost in the morning. Highs in the 60s.

Night: Mostly clear. Areas of frost after midnight. Lows in the 30s.

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

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

Day: Partly cloudy. Areas of frost in the morning. Highs in the 60s.

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

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

Night: Partly cloudy. Lows in the 30s.

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

Night: Mostly cloudy. Lows in the 30s.

Day: Mostly cloudy. Highs in the 50s.

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

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

Day: Cooler, sunny. Highs in the mid 40s. Northwest winds 5 to 10 mph shifting to the south in the afternoon. Gusts up to 25 mph.

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

Day: Not as cool. Partly sunny in the morning then clearing. Highs in the mid 60s. Southwest winds 5 to 15 mph with gusts to around 30 mph.

Night: Not as cool. Partly cloudy. Lows in the lower 40s. Southwest winds 10 to 15 mph. Gusts up to 30 mph increasing to 40 mph after midnight.

Day: Windy. Partly sunny. Highs in the upper 60s. Southwest winds 10 to 25 mph with gusts to around 45 mph increasing to 20 to 30 mph with gusts to around 60 mph in the afternoon.

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

Day: Cooler, sunny. Highs in the mid 50s.

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

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

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

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

Day: Sunny. Highs in the mid 40s. West winds up to 5 mph shifting to the northeast in the afternoon.

Night: Mostly clear. Lows around 30. Southeast winds up to 10 mph.

Day: Not as cool. Partly sunny in the morning then clearing. Highs around 60. Southeast winds up to 10 mph.

Night: Partly cloudy. Lows in the mid 30s. South winds 5 to 10 mph with gusts to around 25 mph.

Day: Mostly sunny. Highs in the upper 60s. South winds up to 15 mph.

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

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

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

Night: Mostly cloudy. A 20 percent chance of rain. Highs in the mid 50s. Lows in the mid 30s.

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

Day: Sunny. Highs 37 to 43. North winds up to 10 mph with gusts to around 30 mph shifting to the southeast in the afternoon.

Night: Mostly clear. Lows 26 to 32. South winds up to 10 mph.

Day: Not as cool. Mostly sunny. Highs 50 to 58. Southwest winds up to 10 mph with gusts to around 25 mph.

Night: Partly cloudy. Lows 31 to 37. Southwest winds 5 to 15 mph. Gusts up to 25 mph increasing to 35 mph after midnight.

Day: Mostly sunny. Highs 54 to 62. Southwest winds 10 to 15 mph with gusts to around 30 mph.

Night: Partly cloudy. Lows 30 to 36.

Night: Mostly clear. Highs 49 to 57. Lows 32 to 38.

Night: Partly cloudy. Highs 52 to 60. Lows 34 to 40.

Day: Mostly sunny. Slight chance of rain and snow in the morning, then slight chance of rain in the afternoon. Highs 46 to 54. Chance of precipitation 20 percent.

Night: Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain and snow. Lows 30 to 36.

Day: Mostly sunny. Highs 44 to 52.