Jack Reservoir, MT Weather Forecast & Current Conditions

Night: Mostly clear. Lows in the lower 40s. South wind 10 to 15 mph.

Day: Sunny. Highs in the lower 70s. South wind around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. Southeast wind 5 to 10 mph.

Day: A slight chance of rain in the morning, then a chance of rain in the afternoon. Highs in the mid 60s. Southeast wind 10 to 15 mph. Chance of rain 40 percent.

Night: Rain in the evening, then a chance of rain and snow after midnight. Little or no snow accumulation. Windy with lows around 30. Northwest wind 20 to 30 mph with gusts up to 40 mph. Chance of precipitation 90 percent.

Night: Partly cloudy and breezy. Highs around 40. Lows in the mid 20s.

Night: Mostly cloudy. Highs in the upper 30s. Lows in the lower 20s.

Day: A slight chance of snow. Highs in the lower 40s.

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

Day: A slight chance of rain and snow. Highs in the mid 40s.

Night: A chance of rain and snow. Lows in the upper 20s.

Day: A slight chance of snow. Highs in the lower 40s.

Night: Mostly clear. Lows in the lower 40s. East wind 5 to 10 mph.

Day: Sunny. Highs in the lower 70s. Southeast wind around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. East wind 5 to 10 mph.

Day: Cloudy in the morning, then a slight chance of rain in the afternoon. Highs in the upper 60s. East wind around 10 mph, becoming southeast in the afternoon. Chance of rain 20 percent.

Night: Rain, mainly in the evening. Windy with lows in the lower 30s. West wind 25 to 30 mph with gusts up to 45 mph. Chance of rain 80 percent.

Day: Partly cloudy and breezy. Highs in the mid 40s. Lows in the mid 20s.

Night: Partly cloudy and breezy. Highs in the mid 40s. Lows in the mid 20s.

Day: Mostly cloudy. Highs around 50. Lows in the upper 20s.

Day: Mostly cloudy. Highs around 50. Lows in the upper 20s.

Night: A slight chance of rain. Lows in the upper 20s.

Day: Mostly sunny. Highs in the mid 40s.

Night: Mostly clear. Lows in the upper 30s. Southeast wind around 5 mph this evening, becoming light and variable.

Day: Sunny. Highs around 70. Light and variable winds, becoming east around 5 mph in the afternoon.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. East wind around 5 mph.

Day: Rain likely in the afternoon. Highs in the mid 60s. East wind around 5 mph, increasing to north 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of rain 70 percent.

Night: Rain, mainly in the evening. Windy with lows around 30. West wind 25 to 30 mph with gusts up to 45 mph. Chance of rain 90 percent.

Day: Sunny, cooler with highs in the mid 40s.

Night: Partly cloudy. Lows in the mid 20s.

Day: Partly sunny. Highs in the mid 40s.

Night: Partly cloudy. Lows in the mid 20s.

Night: Mostly cloudy. Highs in the upper 40s. Lows in the upper 20s.

Day: A slight chance of rain and snow. Highs around 50.

Night: A chance of rain with a slight chance of snow. Lows in the mid 20s.

Day: Mostly sunny. Highs in the mid 40s.

Night: Mostly clear. Lows in the upper 30s. Southeast wind 5 to 10 mph.

Day: Sunny. Highs around 70. Light and variable winds, becoming southeast around 5 mph in the afternoon.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. East wind around 5 mph.

Day: Rain likely in the afternoon. Highs in the mid 60s. East wind around 5 mph, increasing to northeast 15 to 20 mph in the afternoon. Chance of rain 70 percent.

Night: Rain in the evening, then a chance of rain with a slight chance of snow after midnight. Little or no snow accumulation. Windy with lows in the upper 20s. Northwest wind 25 to 30 mph with gusts up to 40 mph. Chance of precipitation 90 percent.

Night: Partly cloudy. Highs in the mid 40s. Lows in the lower 20s.

Night: Mostly cloudy. Highs in the lower 40s. Lows in the lower 20s.

Day: Mostly sunny. Highs in the mid 40s.

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

Day: A slight chance of rain and snow. Highs in the upper 40s.

Night: A chance of rain and snow. Lows in the mid 20s.

Day: Mostly sunny. Highs in the mid 40s.

Night: Mostly clear. Lows in the lower 40s. Southeast wind 10 to 15 mph.

Day: Sunny. Highs in the lower 70s. South wind around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. East wind around 5 mph.

Day: Cloudy in the morning, then a slight chance of rain in the afternoon. Highs in the upper 60s. East wind 5 to 10 mph. Chance of rain 20 percent.

Night: Rain likely, mainly in the evening. Windy with lows in the lower 30s. West wind 20 to 30 mph with gusts up to 40 mph. Chance of rain 70 percent.

Day: Partly cloudy and windy. Highs in the lower 40s. Lows in the mid 20s.

Day: Partly cloudy and windy. Highs in the lower 40s. Lows in the mid 20s.

Night: Mostly cloudy. Lows in the lower 20s.

Day: Mostly sunny. Highs in the mid 40s.

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

Day: A slight chance of rain and snow. Highs in the upper 40s.

Night: A chance of rain and snow. Lows in the upper 20s.

Day: A slight chance of rain and snow. Highs in the mid 40s.

Night: Mostly clear. Lows in the lower 40s. East wind around 5 mph.

Day: Sunny. Highs in the lower 70s. Light and variable winds, becoming east around 5 mph in the afternoon.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. East wind around 5 mph.

Day: Cloudy in the morning, then becoming partly sunny. Highs in the lower 70s. East wind around 10 mph, becoming southeast in the afternoon.

Night: Rain likely, mainly in the evening. Breezy with lows in the lower 30s. West wind 15 to 25 mph with gusts up to 40 mph. Chance of rain 60 percent.

Day: Mostly sunny and breezy. Much cooler with highs in the upper 40s.

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

Night: Partly cloudy. Highs in the upper 40s. Lows in the mid 20s.

Day: A slight chance of rain. Highs in the upper 40s.

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

Day: A slight chance of rain and snow. Highs in the mid 50s.

Night: A slight chance of rain. Lows in the upper 20s.

Day: A slight chance of rain and snow. Highs in the upper 40s.

Night: Mostly clear. Lows in the upper 30s. Southeast winds up to 10 mph.

Day: Sunny. Highs around 70. West winds up to 5 mph shifting to the southeast in the afternoon.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 40s. East winds 5 to 10 mph.

Day: Windy, cooler. Mostly cloudy. Slight chance of rain in the morning, then rain in the afternoon. Highs in the upper 50s. East winds 5 to 10 mph increasing to northwest 15 to 30 mph in the afternoon. Chance of rain 90 percent.

Night: Windy, colder. Mostly cloudy. Rain and slight chance of snow in the evening, then slight chance of rain and snow after midnight. Lows in the upper 20s. Northwest winds 20 to 35 mph. Chance of precipitation 90 percent.

Day: Colder. Mostly sunny. Highs in the lower 40s.

Night: Mostly cloudy. Lows in the mid 20s. Highs in the mid 40s.

Day: Mostly cloudy. Lows in the mid 20s. Highs in the mid 40s.

Night: Mostly cloudy. A 30 percent chance of rain and snow. Highs in the upper 40s. Lows in the mid 20s.

Night: Mostly cloudy. Lows in the mid 20s. Highs in the mid 40s.

Day: Mostly sunny. A 20 percent chance of rain and snow in the morning. Highs in the lower 40s.

Night: Mostly clear. Lows in the upper 40s. South wind 10 to 15 mph.

Day: Sunny. Highs in the mid 70s. Light and variable winds, becoming south around 5 mph in the afternoon.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. Southeast wind around 5 mph.

Day: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. Southeast wind 5 to 10 mph.

Night: A 40 percent chance of rain. Windy with lows in the mid 30s. West wind 20 to 30 mph with gusts up to 40 mph.

Day: Mostly sunny and breezy. Much cooler with highs in the upper 40s.

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

Night: Partly cloudy. Highs in the upper 40s. Lows in the upper 20s.

Day: A slight chance of rain and snow. Highs in the upper 40s.

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

Night: A slight chance of rain. Lows around 30.

Day: A slight chance of rain and snow. Highs in the upper 40s.

Night: Mostly clear. Lows in the lower 40s. South wind around 5 mph.

Day: Sunny. Highs in the mid 70s. Southwest wind around 5 mph, becoming south in the afternoon.

Night: Mostly cloudy. Lows in the mid 40s. Southeast wind around 5 mph in the evening, becoming light and variable.

Day: Cloudy in the morning, then a slight chance of rain in the afternoon. Highs in the upper 60s. Light and variable winds, becoming southwest 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of rain 20 percent.

Night: Rain likely, mainly in the evening. Windy with lows in the lower 30s. West wind 20 to 30 mph with gusts up to 45 mph. Chance of rain 70 percent.

Night: Mostly clear. Highs in the upper 40s. Lows in the mid 20s.

Night: Partly cloudy. Highs in the upper 40s. Lows in the mid 20s.

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

Day: A slight chance of rain. Highs in the mid 50s.

Night: A slight chance of rain and snow. Lows in the upper 20s. Highs in the upper 40s.

Night: Mostly clear. Lows in the lower 40s. Southeast wind 10 to 15 mph.

Day: Sunny. Highs in the lower 70s. South wind around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. East wind around 5 mph.

Day: Mostly cloudy in the morning, then a slight chance of rain in the afternoon. Highs in the lower 70s. East wind 10 to 15 mph. Chance of rain 20 percent.

Night: Rain likely, mainly in the evening. Windy with lows in the mid 30s. South wind 20 to 25 mph, becoming west 25 to 30 mph after midnight. Gusts up to 45 mph. Chance of rain 60 percent.

Day: Partly cloudy and windy. Highs in the mid 40s. Lows in the mid 20s.

Night: A slight chance of rain. Lows in the upper 20s.

Day: Partly cloudy and windy. Highs in the mid 40s. Lows in the mid 20s.

Night: A slight chance of rain and snow. Highs in the upper 40s. Lows in the upper 20s.

Day: Partly cloudy and windy. Highs in the mid 40s. Lows in the mid 20s.

Day: A slight chance of rain and snow. Highs in the mid 40s.

Night: Mostly clear. Lows in the lower 40s. Southeast wind 10 to 15 mph.

Day: Sunny. Highs in the mid 70s. Southeast wind around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. East wind around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s. Southeast wind 5 to 10 mph.

Night: A 40 percent chance of rain. Breezy with lows in the mid 30s. Southwest wind 20 to 25 mph, becoming west after midnight. Gusts up to 40 mph.

Day: Partly cloudy and breezy. Highs in the upper 40s. Lows in the mid 20s.

Day: Partly cloudy and breezy. Highs in the upper 40s. Lows in the mid 20s.

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

Day: A slight chance of rain. Highs in the upper 40s.

Night: A slight chance of rain. Lows in the upper 20s.

Night: A slight chance of rain and snow. Highs in the lower 50s. Lows in the upper 20s.

Day: A slight chance of rain and snow. Highs in the upper 40s.

Night: Mostly clear. Lows in the lower 50s. Southwest wind around 5 mph.

Day: Sunny. Highs in the lower 70s. West wind around 5 mph, becoming southeast around 5 mph in the afternoon.

Night: Mostly cloudy. Lows in the lower 50s. Southeast wind around 5 mph.

Day: Rain likely in the afternoon. Highs around 60. Northeast wind around 5 mph, increasing to northwest 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of rain 70 percent.

Night: Rain and snow in the evening. Little or no snow accumulation. Windy with lows around 30. Northwest wind 20 to 30 mph with gusts up to 50 mph. Chance of precipitation 90 percent.

Day: Sunny, breezy, cooler with highs in the mid 40s.

Night: Partly cloudy. Lows in the upper 20s. Highs in the lower 40s.

Night: Partly cloudy. Lows in the upper 20s. Highs in the lower 40s.

Night: Mostly cloudy. Highs in the mid 40s. Lows around 30.

Day: A chance of rain and snow. Highs in the upper 40s.

Night: A chance of rain with a slight chance of snow. Lows in the lower 30s.

Day: A slight chance of snow. Highs in the mid 40s.

Night: Mostly clear. Lows in the mid 40s. South winds up to 10 mph.

Day: Sunny. Highs in the lower 70s. Southwest winds up to 5 mph shifting to the southeast in the afternoon.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. Southeast winds up to 10 mph with gusts to around 25 mph.

Day: Windy, cooler. Chance of rain in the morning, then rain in the afternoon. Highs 53 to 59. Northwest winds up to 10 mph increasing to 15 to 30 mph with gusts to around 45 mph in the afternoon. Chance of rain near 100 percent.

Night: Windy, colder. Mostly cloudy. Rain and snow in the evening. Light snow accumulations. Snow level 3800 feet. Lows in the upper 20s. Northwest winds 20 to 30 mph with gusts to around 55 mph. Chance of precipitation 90 percent.

Day: Cooler, sunny. Highs 40 to 46.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 20s.

Day: Partly sunny. Highs in the lower 40s.

Night: Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of snow after midnight. Lows in the mid 20s.

Day: Partly sunny. Highs in the mid 40s.

Night: Mostly cloudy. Slight chance of snow in the evening, then slight chance of rain and snow after midnight. Lows in the upper 20s. Chance of precipitation 20 percent.

Night: Mostly cloudy. A 30 percent chance of rain and snow. Highs in the upper 40s. Lows in the upper 20s.

Day: Mostly sunny. A 20 percent chance of rain and snow in the morning. Highs in the lower 40s.

Night: Mostly clear. Lows in the lower 40s. Southeast wind 5 to 10 mph.

Day: Sunny. Highs in the mid 70s. South wind around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. Northeast wind around 5 mph.

Day: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 70s. East wind around 5 mph, becoming south 10 to 15 mph in the afternoon.

Night: A chance of rain, mainly in the evening. Breezy with lows in the mid 30s. West wind 15 to 25 mph with gusts up to 45 mph. Chance of rain 30 percent.

Day: Mostly sunny. Much cooler with highs in the upper 40s.

Night: Mostly clear. Lows in the mid 20s. Highs in the upper 40s.

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

Day: A slight chance of rain and snow. Highs in the upper 40s.

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

Night: A slight chance of rain. Lows around 30. Highs around 50.

Night: Mostly clear. Lows in the lower 40s. South wind 5 to 10 mph.

Day: Sunny. Highs in the mid 70s. South wind around 5 mph.

Night: Mostly cloudy. Lows in the mid 40s. East wind around 5 mph.

Day: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 70s. Southeast wind 5 to 10 mph.

Night: A 30 percent chance of rain. Breezy with lows in the mid 30s. Southwest wind 20 to 25 mph, becoming west after midnight. Gusts up to 45 mph.

Day: Mostly sunny and breezy. Much cooler with highs in the upper 40s.

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

Night: Partly cloudy. Highs in the upper 40s. Lows in the mid 20s.

Day: A slight chance of rain. Highs in the upper 40s.

Night: Partly cloudy. Lows in the upper 20s.

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

Night: A slight chance of rain. Lows in the upper 20s. Highs in the lower 50s.

Night: Mostly clear. Lows in the lower 40s. South wind 5 to 10 mph.

Day: Sunny. Highs in the mid 70s. Light and variable winds, becoming south 5 to 10 mph in the afternoon.

Night: Mostly cloudy. Lows in the mid 40s. Southeast wind around 5 mph in the evening, becoming light and variable.

Day: Rain likely in the afternoon. Breezy with highs in the mid 60s. Temperatures falling into the upper 40s in the afternoon. Southwest wind around 5 mph, increasing to northwest 15 to 25 mph with gusts up to 45 mph in the afternoon. Chance of rain 60 percent.

Night: Rain, mainly in the evening. Windy with lows in the lower 30s. Northwest wind around 30 mph, decreasing to 20 to 25 mph after midnight. Gusts up to 45 mph. Chance of rain 80 percent.

Night: Mostly clear. Highs in the upper 40s. Lows in the upper 20s.

Night: Partly cloudy. Highs in the upper 40s. Lows in the upper 20s.

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

Day: A slight chance of rain and snow. Highs in the mid 50s.

Night: A chance of rain and snow. Lows in the upper 20s.

Day: Mostly sunny. Highs in the upper 40s.

Night: Mostly clear. Lows in the upper 30s. Southeast winds up to 5 mph shifting to the southwest after midnight.

Day: Sunny. Highs around 70. Southwest winds up to 10 mph shifting to the southeast in the afternoon.

Night: Partly cloudy in the evening, then mostly cloudy with a 50 percent chance of rain after midnight. Lows in the lower 40s. East winds up to 10 mph.

Day: Windy, cooler. Rain likely in the morning, then rain in the afternoon. Highs in the lower 50s. North winds 10 to 15 mph increasing to northwest 25 to 35 mph in the afternoon. Gusts up to 50 mph. Chance of rain near 100 percent.

Night: Windy, colder. Mostly cloudy. Rain likely and slight chance of snow in the evening. Lows in the upper 20s. Northwest winds 20 to 35 mph decreasing to 15 to 25 mph after midnight. Chance of precipitation 70 percent.

Day: Mostly sunny. Highs in the mid 40s.

Night: Mostly cloudy. Lows in the mid 20s. Highs in the mid 40s.

Day: Mostly cloudy. Lows in the mid 20s. Highs in the mid 40s.

Night: Mostly cloudy. A 30 percent chance of rain and snow. Highs in the upper 40s. Lows in the mid 20s.

Day: Mostly cloudy. Lows in the mid 20s. Highs in the mid 40s.

Night: Mostly cloudy. A 20 percent chance of rain and snow after midnight. Lows in the mid 20s.

Day: Mostly sunny. Highs in the mid 40s.

Night: Mostly clear. Lows in the mid 40s. South winds up to 10 mph.

Day: Sunny. Highs in the mid 70s. Southwest winds up to 5 mph shifting to the southeast in the afternoon.

Night: Mostly cloudy. Lows in the upper 40s. Southeast winds up to 10 mph.

Day: Windy, cooler. Chance of rain in the morning, then rain in the afternoon. Highs 54 to 60. West winds up to 10 mph with gusts to around 25 mph increasing to northwest 20 to 30 mph with gusts to around 45 mph in the afternoon. Chance of rain near 100 percent.

Night: Windy. Much colder. Mostly cloudy. Rain and snow in the evening, then slight chance of snow after midnight. Light snow accumulations. Lows 26 to 32. West winds 20 to 35 mph with gusts to around 55 mph. Chance of precipitation 90 percent.

Day: Cooler, sunny. Highs in the mid 40s.

Night: Partly cloudy. Lows in the upper 20s. Highs in the mid 40s.

Night: Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of rain and snow after midnight. Lows in the mid 20s.

Day: Partly sunny. Highs in the upper 40s.

Night: Mostly cloudy. Slight chance of snow in the evening, then slight chance of rain and snow after midnight. Lows in the upper 20s. Chance of precipitation 20 percent.

Day: Partly sunny. Slight chance of rain and snow in the morning, then chance of rain and snow in the afternoon. Highs around 50. Chance of precipitation 30 percent.

Night: Partly cloudy with chance of snow and slight chance of rain. Lows in the upper 20s. Chance of precipitation 30 percent.

Day: Mostly sunny. A 20 percent chance of rain and snow in the morning. Highs in the mid 40s.

Day: Mostly clear. Southeast winds around 10 mph with gusts up to 20 mph.

Night: Mostly clear. Lows in the mid 40s. Southeast winds 10 to 15 mph.

Day: Sunny. Highs in the lower 70s. South winds 5 to 10 mph.

Night: Increasing clouds. Lows in the upper 40s. East winds 5 to 10 mph.

Day: Decreasing clouds. Highs in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 30 mph.

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

Day: Mostly sunny. Windy. Highs in the mid 40s.

Night: Increasing clouds. Lows in the mid 20s.

Day: Mostly sunny. Highs in the mid 40s.

Night: Increasing clouds. Lows in the mid 20s.

Day: Mostly sunny. A slight chance of rain showers in the afternoon. Highs in the mid 40s. Chance of rain 20 percent.

Night: Increasing clouds. Lows in the upper 20s.

Day: Partly sunny. A slight chance of rain showers in the afternoon. Highs around 50. Chance of rain 20 percent.

Night: Mostly clear. Lows in the lower 40s. East winds 5 to 10 mph in the evening becoming light overnight.

Day: Sunny. Highs in the mid 70s. Southwest winds 5 to 10 mph in the morning shifting to the northeast in the afternoon.

Night: Mostly cloudy. Patchy fog after 3 am. Lows in the upper 40s. East winds 5 to 10 mph.

Day: Patchy fog early in the morning. Cloudy in the morning, then mostly sunny with a 20 percent chance of rain in the afternoon. Highs in the lower 70s. Southeast winds 5 to 10 mph in the morning shifting to the west 5 to 15 mph in the afternoon.

Night: Mostly cloudy with a 50 percent chance of rain. Colder. Lows in the mid 30s. Northwest winds 15 to 25 mph. Gusts up to 40 mph in the evening.

Day: Mostly sunny. Much colder. Highs in the upper 40s.

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

Day: Sunny. Highs in the lower 50s.

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

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

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

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

Night: Partly cloudy with a 20 percent chance of rain showers. Lows in the lower 30s.

Day: Mostly sunny. A 20 percent chance of rain and snow showers in the morning. Highs in the lower 50s.