Castle Lake, MT Weather Forecast & Current Conditions

Day: Sunny. Highs in the upper 50s. Northwest winds 5 to 10 mph.

Night: Partly cloudy. Lows in the mid 20s. North winds 5 to 15 mph.

Day: Sunny. Highs in the upper 50s. Northeast winds 5 to 10 mph in the morning shifting to the west in the afternoon.

Night: Mostly clear. Lows in the lower 20s. North winds 5 to 10 mph in the evening shifting to the south overnight.

Day: Sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph.

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

Day: Sunny. Highs in the mid 60s.

Night: Partly cloudy. Lows around 30.

Day: Sunny. Highs in the lower 60s.

Night: Mostly clear. Lows around 30.

Day: Sunny. Highs in the lower 60s.

Night: Partly cloudy. A 20 percent chance of snow showers overnight. Lows in the lower 30s.

Day: Partly sunny. Chance of snow showers in the morning and early afternoon, then chance of rain and snow showers late in the afternoon. Highs in the upper 50s. Chance of precipitation 50 percent.

Day: Sunny. Highs in the mid 50s. Southeast winds 5 to 10 mph late in the morning shifting to the north in the afternoon.

Night: Partly cloudy. Lows in the mid 30s. Northwest winds 10 to 20 mph.

Day: Mostly sunny. Highs in the mid 50s. North winds 5 to 15 mph.

Night: Mostly clear. Lows in the mid 30s. South winds 5 to 10 mph.

Day: Sunny. Highs in the mid 60s. South winds 15 to 25 mph.

Night: Mostly clear. Lows in the mid 40s.

Day: Sunny. Highs in the upper 60s.

Night: Partly cloudy. Lows in the mid 40s.

Day: Sunny. Highs in the mid 60s.

Night: Mostly clear. Lows in the mid 40s.

Day: Sunny. Highs in the mid 60s.

Night: Partly cloudy. Lows in the mid 40s.

Day: Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Highs in the upper 50s. Chance of precipitation 30 percent.

Day: Partly cloudy. Highs in the mid 50s. Northeast winds around 10 mph this afternoon.

Night: Partly cloudy. Lows in the upper 30s. Northwest winds 10 to 15 mph with gusts up to 30 mph.

Day: Partly cloudy in the morning, then clearing. Breezy with highs in the lower 50s. North winds 15 to 20 mph with gusts up to 35 mph.

Night: Mostly clear. Lows in the mid 30s. Northwest winds around 10 mph, becoming southwest after midnight.

Day: Sunny. Highs in the upper 50s. South winds around 10 mph, becoming southeast in the afternoon.

Night: Clear, breezy with lows around 40.

Day: Mostly sunny and breezy. Highs in the upper 60s.

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

Day: Mostly sunny. Highs around 60.

Night: Mostly clear. Lows around 40.

Day: Sunny. Highs in the mid 60s.

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

Day: Partly cloudy. A chance of showers in the afternoon. Highs around 60. Chance of rain 30 percent.

Day: Sunny. Highs around 60. Northwest winds 5 to 10 mph.

Night: Partly cloudy. Lows in the mid 30s. West winds 5 to 15 mph.

Day: Decreasing clouds. Highs in the upper 50s. Northwest winds 5 to 15 mph in the morning shifting to the northeast 5 to 10 mph in the afternoon.

Night: Mostly clear. Lows in the mid 30s. South winds 5 to 10 mph.

Day: Sunny, warmer. Highs around 70. Southwest winds 5 to 10 mph in the morning shifting to the southeast in the afternoon.

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

Day: Sunny. Highs in the mid 70s.

Night: Partly cloudy. Lows in the mid 40s.

Day: Sunny. Highs in the mid 60s.

Night: Mostly clear. Lows in the mid 40s.

Day: Sunny. Highs in the upper 60s.

Night: Partly cloudy. A 20 percent chance of rain showers overnight. Lows in the mid 40s.

Day: Partly sunny with a 40 percent chance of rain showers. Highs in the lower 60s.

Day: Sunny. Highs in the upper 50s. South winds 5 to 15 mph late in the morning shifting to the west in the afternoon.

Night: Partly cloudy. Lows in the mid 30s. North winds 5 to 15 mph.

Day: Partly sunny in the morning and early afternoon then clearing. Highs in the upper 50s. North winds 5 to 15 mph.

Night: Mostly clear. Lows in the mid 30s. North winds 5 to 10 mph in the evening shifting to the south 5 to 15 mph overnight.

Day: Sunny, windy. Highs in the upper 60s. South winds 15 to 30 mph. Gusts up to 45 mph in the afternoon.

Night: Mostly clear. Lows in the mid 40s.

Day: Sunny. Highs in the lower 70s.

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

Day: Sunny. Highs in the upper 60s.

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

Day: Sunny. Highs around 70.

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

Day: Partly sunny. A 30 percent chance of rain showers in the afternoon. Highs in the mid 60s.

Day: Sunny. Highs around 60. West winds 5 to 10 mph.

Night: Partly cloudy. Lows in the mid 30s. Northwest winds 5 to 15 mph.

Day: Partly sunny in the morning and early afternoon then clearing. Highs in the upper 50s. North winds 5 to 15 mph.

Night: Mostly clear. Lows in the upper 20s. Southeast winds 5 to 10 mph.

Day: Sunny. Highs in the upper 60s. South winds 10 to 20 mph.

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

Day: Sunny. Highs in the lower 70s.

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

Day: Sunny. Highs in the upper 60s.

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

Day: Sunny. Highs in the upper 60s.

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

Day: Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Highs in the lower 60s. Chance of precipitation 30 percent.

Day: Sunny. Highs around 60. Southwest winds 5 to 10 mph.

Night: Partly cloudy. Lows in the mid 30s. Northwest winds 5 to 15 mph.

Day: Partly sunny in the morning and early afternoon then clearing. Highs in the upper 50s. North winds 5 to 15 mph.

Night: Mostly clear. Lows in the lower 30s. Northeast winds 5 to 10 mph in the evening shifting to the south overnight.

Day: Sunny, windy. Highs in the mid 60s. South winds 15 to 30 mph. Gusts up to 40 mph in the afternoon.

Night: Mostly clear. Warmer. Lows in the lower 40s.

Day: Sunny. Highs in the lower 70s.

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

Day: Sunny. Highs in the upper 60s.

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

Day: Sunny. Highs in the upper 60s.

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

Day: Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Highs in the mid 60s. Chance of precipitation 30 percent.

Day: Mostly cloudy. Highs around 60.

Night: Mostly cloudy in the evening, then clearing. Breezy with lows in the upper 30s. Northwest winds 15 to 25 mph. Gusts up to 40 mph after midnight.

Day: Mostly sunny and breezy. Highs in the mid 50s. Northwest winds 15 to 25 mph with gusts up to 35 mph.

Night: Mostly clear. Lows around 30. Northwest winds 10 to 15 mph with gusts up to 30 mph, becoming south after midnight.

Day: Mostly sunny. Highs in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 30 mph.

Night: Clear. Lows in the mid 30s.

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

Night: Mostly clear. Lows around 40.

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

Night: Clear. Lows around 40.

Day: Sunny. Highs in the mid 60s.

Night: Mostly clear. Lows around 40.

Day: Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 20 percent.

Day: Partly cloudy. Highs in the mid 40s. North winds around 10 mph this afternoon.

Night: Partly cloudy. Lows in the upper 20s. North winds 10 to 15 mph with gusts up to 35 mph.

Day: Partly cloudy in the morning, then clearing. Highs in the mid 40s. Northeast winds 10 to 15 mph. Gusts up to 30 mph in the morning.

Night: Mostly clear. Lows in the upper 20s. West winds around 10 mph after midnight.

Day: Sunny. Highs in the lower 50s. West winds 10 to 15 mph.

Night: Clear, breezy with lows in the lower 30s.

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

Night: Mostly clear in the evening, then becoming partly cloudy. Breezy with lows in the mid 30s.

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

Night: Clear. Lows in the mid 30s.

Day: Sunny. Highs in the lower 50s.

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

Day: Partly cloudy with a chance of snow showers. A slight chance of rain showers in the morning, then a chance of rain showers in the afternoon. Highs in the upper 40s. Chance of precipitation 40 percent.

Day: Sunny, warmer. Highs around 60. West winds 10 to 20 mph.

Night: Partly cloudy. Lows in the lower 30s. West winds 5 to 15 mph.

Day: Sunny. Highs in the upper 50s. Northwest winds 5 to 10 mph in the morning shifting to the southeast in the afternoon.

Night: Mostly clear. Lows around 30. South winds 5 to 10 mph.

Day: Sunny, warmer. Highs in the lower 70s. Southwest winds 5 to 15 mph.

Night: Mostly clear. Warmer. Lows in the lower 40s.

Day: Sunny. Highs in the mid 70s.

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

Day: Sunny. Highs in the upper 60s.

Night: Mostly clear. Lows around 40.

Day: Sunny. Highs around 70.

Night: Mostly clear in the evening, then mostly cloudy with a 20 percent chance of rain showers overnight. Lows in the lower 40s.

Day: Partly sunny with a 40 percent chance of rain showers. Highs in the lower 60s.

Day: Mostly sunny. Highs in the upper 40s. North winds around 10 mph this afternoon.

Night: Partly cloudy in the evening, then clearing. Lows in the mid 20s. North winds 10 to 15 mph.

Day: Mostly sunny. Highs around 50. Northeast winds around 10 mph in the morning.

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

Day: Sunny. Highs in the lower 50s. Southwest winds around 10 mph with gusts up to 20 mph in the afternoon.

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

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

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

Day: Partly cloudy in the morning, then clearing. Highs in the mid 50s.

Night: Clear. Lows around 30.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear. A slight chance of rain and snow showers after midnight. Lows in the lower 30s. Chance of precipitation 20 percent.

Day: Partly cloudy with a chance of snow and rain showers. Highs in the upper 40s. Chance of precipitation 40 percent.

Day: Sunny, warmer. Highs in the upper 50s. West winds 10 to 20 mph.

Night: Partly cloudy. Lows in the upper 20s. West winds 5 to 15 mph.

Day: Mostly sunny. Highs around 60. Northwest winds 5 to 10 mph.

Night: Mostly clear. Lows in the upper 20s. East winds 5 to 10 mph in the evening shifting to the southwest overnight.

Day: Sunny, warmer. Highs in the lower 70s. Southwest winds 5 to 15 mph.

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

Day: Mostly sunny. Highs in the mid 70s.

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

Day: Sunny. Highs around 70.

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

Day: Sunny. Highs around 70.

Night: Mostly clear in the evening, then mostly cloudy with a 30 percent chance of rain showers overnight. Lows in the upper 30s.

Day: Partly sunny with a 40 percent chance of rain showers. Highs in the lower 60s.

Day: Sunny, warmer. Highs around 60. Northwest winds 5 to 15 mph.

Night: Partly cloudy. Lows in the lower 30s. Northeast winds 5 to 10 mph.

Day: Mostly sunny. Highs in the lower 60s. North winds 5 to 10 mph.

Night: Mostly clear. Lows in the mid 30s. Southeast winds 5 to 10 mph.

Day: Sunny, warmer. Highs in the mid 70s. South winds 5 to 15 mph.

Night: Mostly clear. Lows around 40.

Day: Sunny. Highs in the mid 70s.

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

Day: Sunny. Highs in the lower 70s.

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

Day: Sunny. Highs around 70.

Night: Mostly clear with slight chance of rain showers in the evening, then mostly cloudy with chance of rain showers overnight. Lows around 40. Chance of precipitation 30 percent.

Day: Partly sunny. Chance of rain showers through the day. Chance of snow showers late in the morning. Highs in the lower 60s. Chance of precipitation 50 percent.

Day: Mostly sunny. Highs in the lower 60s. Southwest winds 5 to 10 mph.

Night: Partly cloudy. Lows in the mid 30s. Northwest winds 5 to 10 mph.

Day: Mostly sunny. Highs in the upper 50s. Northwest winds 5 to 15 mph.

Night: Mostly clear. Lows in the upper 20s. Northeast winds 5 to 10 mph in the evening shifting to the southeast overnight.

Day: Sunny, warmer. Highs in the mid 70s. Southeast winds 5 to 15 mph.

Night: Mostly clear. Warmer. Lows in the lower 40s.

Day: Sunny. Highs in the upper 70s.

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

Day: Sunny. Highs in the lower 70s.

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

Day: Sunny. Highs in the mid 70s.

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

Day: Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the upper 60s.

Day: Sunny. Highs around 60. West winds 5 to 15 mph.

Night: Partly cloudy. Lows in the upper 30s. West winds 5 to 15 mph.

Day: Sunny. Highs in the upper 50s. Northwest winds 5 to 15 mph.

Night: Mostly clear. Lows in the lower 30s. Southeast winds 5 to 10 mph.

Day: Sunny, warmer. Highs in the upper 60s. Southwest winds 5 to 15 mph.

Night: Mostly clear. Warmer. Lows in the upper 40s.

Day: Sunny. Highs in the lower 70s.

Night: Partly cloudy. Lows in the mid 40s.

Day: Sunny. Highs in the mid 60s.

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

Day: Sunny. Highs around 70.

Night: Partly cloudy. Lows in the mid 40s.

Day: Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the lower 60s.

Day: Mostly sunny. Warmer. Highs in the mid 50s. Northwest winds 5 to 15 mph.

Night: Partly cloudy. Lows in the mid 20s. Northwest winds 5 to 15 mph.

Day: Sunny. Highs in the upper 50s. North winds 5 to 10 mph.

Night: Mostly clear. Lows in the mid 20s. Southeast winds 5 to 10 mph.

Day: Sunny, warmer. Highs around 70. West winds 5 to 10 mph.

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

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

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

Day: Sunny. Highs in the upper 60s.

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

Day: Sunny. Highs in the upper 60s.

Night: Partly cloudy. A 30 percent chance of rain showers overnight. Lows in the mid 30s.

Day: Partly sunny with a 50 percent chance of rain showers. Highs around 60.

Day: Sunny. Highs in the mid 50s. West winds 5 to 15 mph.

Night: Partly cloudy. Lows in the upper 20s. Temperatures rising into the mid 30s after midnight. Northwest winds 5 to 15 mph.

Day: Sunny. Highs in the lower 50s. Northwest winds 5 to 15 mph in the morning shifting to the southeast 5 to 10 mph in the afternoon.

Night: Mostly clear. Lows in the lower 30s. Southwest winds 5 to 10 mph.

Day: Sunny, warmer. Highs in the mid 60s. Southwest winds 5 to 15 mph.

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

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

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

Day: Sunny. Highs in the lower 60s.

Night: Mostly clear. Lows around 40.

Day: Sunny. Highs in the mid 60s.

Night: Partly cloudy. A 30 percent chance of rain showers overnight. Lows in the lower 40s.

Day: Partly sunny with a 40 percent chance of rain showers. Highs in the mid 50s.

Day: Not as cool. Sunny. Patchy fog late in the morning. Highs 42 to 52. Northwest winds up to 10 mph. Gusts up to 30 mph in the afternoon.

Night: Partly cloudy. Patchy fog after midnight. Lows in the mid 20s. North winds up to 10 mph with gusts to around 35 mph.

Day: Mostly sunny. Patchy fog in the morning. Highs 44 to 54. North winds up to 10 mph with gusts to around 25 mph.

Night: Mostly clear. Lows 25 to 31. Northeast winds up to 5 mph shifting to the south after midnight.

Day: Not as cool. Sunny. Highs 52 to 62. South winds 5 to 10 mph with gusts to around 30 mph.

Night: Mostly clear. Lows 30 to 38. Highs 51 to 63.

Night: Partly cloudy. Lows 30 to 36.

Day: Mostly clear. Highs 50 to 61. Lows 31 to 39.

Night: Partly cloudy with slight chance of rain and snow in the evening, then mostly cloudy with chance of rain and snow after midnight. Lows 32 to 38. Chance of precipitation 40 percent.

Day: Mostly clear. Highs 50 to 61. Lows 31 to 39.

Day: Partly sunny. Chance of rain and snow in the morning, then rain and snow likely in the afternoon. Light snow accumulations. Highs 42 to 52. Chance of precipitation 60 percent.

Day: Not as cool. Mostly sunny. Patchy fog late in the morning. Highs in the upper 40s. Southwest winds up to 5 mph shifting to the northwest in the afternoon.

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

Day: Partly sunny in the morning then clearing. Patchy fog in the morning. Highs in the mid 50s. West winds up to 5 mph.

Night: Mostly clear. Lows in the upper 20s. Southeast winds up to 10 mph.

Day: Warmer, sunny. Highs in the upper 60s. Southeast winds up to 5 mph shifting to the southwest in the afternoon.

Night: Mostly clear. Lows in the mid 30s. Highs around 70.

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

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

Night: Partly cloudy with slight chance of rain in the evening, then mostly cloudy with chance of rain after midnight. Lows in the upper 30s. Chance of rain 40 percent.

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

Day: Partly sunny with a 50 percent chance of rain. Highs in the upper 50s.

Day: Partly cloudy. Highs in the upper 40s. North winds around 10 mph this afternoon.

Night: Partly cloudy in the evening, then clearing. Lows in the upper 20s. North winds 10 to 15 mph with gusts up to 25 mph.

Day: Mostly sunny. Highs in the upper 40s. Northeast winds around 10 mph in the morning.

Night: Mostly clear. Lows in the mid 20s. East winds around 10 mph.

Day: Sunny. Highs in the lower 50s. Southeast winds around 10 mph in the morning.

Night: Clear. Lows in the upper 20s.

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

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

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

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear. A slight chance of rain and snow showers after midnight. Lows in the mid 30s. Chance of precipitation 20 percent.

Day: Partly cloudy with a chance of snow and rain showers. Little or no snow accumulation. Highs in the mid 40s. Chance of precipitation 50 percent.