Jack Downs Reservoir, MT Weather Forecast & Current Conditions

Night: Partly cloudy. Lows in the upper 40s. Southeast wind 10 to 15 mph.

Day: Sunny. Highs in the mid 70s. Southeast wind 10 to 15 mph.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. Southeast wind around 15 mph, decreasing to 5 to 10 mph after midnight. Chance of rain 40 percent.

Day: Showers likely with a slight chance of thunderstorms in the morning, then partly sunny in the afternoon. Highs in the mid 70s. Southeast wind around 5 mph, becoming west in the afternoon. Chance of rain 70 percent.

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

Night: Mostly clear. Highs in the mid 80s. Lows in the mid 50s.

Night: Partly cloudy. Highs in the lower 80s. Lows in the lower 50s.

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

Night: A slight chance of showers. Lows in the mid 40s.

Day: Mostly sunny. Highs around 70.

Night: A chance of showers. Lows in the upper 40s.

Day: A slight chance of showers. Highs around 70.

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

Day: Sunny. Highs in the upper 70s. Southeast wind 5 to 10 mph.

Night: Partly cloudy in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows around 50. Southeast wind 5 to 10 mph. Chance of rain 60 percent.

Day: Showers likely with a slight chance of thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the upper 70s. Southeast wind around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain 60 percent.

Night: Mostly clear. Lows in the upper 40s. South wind around 5 mph in the evening, becoming light and variable.

Day: Mostly clear. Highs in the mid 80s. Lows in the mid 50s.

Day: Mostly clear. Highs in the mid 80s. Lows in the mid 50s.

Night: Partly cloudy. Lows in the lower 50s. Highs in the mid 70s.

Night: A slight chance of showers. Lows in the mid 40s.

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

Night: A chance of showers. Lows in the upper 40s.

Day: A slight chance of showers. Highs in the lower 70s.

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

Day: Sunny. Highs in the mid 70s. Southeast wind around 15 mph.

Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows around 50. Southeast wind around 15 mph, decreasing to 5 to 10 mph after midnight. Chance of rain 20 percent.

Day: A chance of showers in the morning, then mostly sunny in the afternoon. Highs in the mid 70s. South wind around 5 mph. Chance of rain 40 percent.

Night: Mostly clear. Lows around 50. South wind around 5 mph.

Day: Sunny. Highs in the lower 80s.

Night: Mostly clear. Lows in the mid 50s. Highs in the lower 80s.

Night: Partly cloudy. Lows in the lower 50s. Highs around 70.

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

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

Night: A chance of showers. Lows in the mid 40s.

Day: A slight chance of showers. Highs in the upper 60s.

Night: Mostly clear this evening, then becoming partly cloudy. Lows in the mid 40s. Southeast wind 10 to 15 mph.

Day: Mostly sunny. Highs in the lower 70s. Southeast wind 15 to 20 mph.

Night: Mostly cloudy. A chance of showers after midnight. Lows around 50. Southeast wind 15 to 20 mph. Chance of rain 40 percent.

Day: Showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Highs in the mid 70s. Southeast wind around 10 mph, becoming west in the afternoon. Chance of rain 80 percent.

Night: Mostly clear. Lows in the upper 40s. Southwest wind around 5 mph.

Night: Mostly clear. Highs in the lower 80s. Lows in the mid 50s.

Night: Partly cloudy and breezy. Highs in the upper 70s. Lows in the lower 50s.

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

Night: A slight chance of showers. Lows in the mid 40s.

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

Night: A chance of showers. Lows in the upper 40s.

Day: A slight chance of showers. Highs in the upper 60s.

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

Day: Mostly sunny. Highs in the mid 70s. Southeast wind 15 to 20 mph.

Night: Mostly cloudy. A chance of showers after midnight. Lows around 50. Southeast wind around 15 mph, decreasing to 5 to 10 mph after midnight. Chance of rain 30 percent.

Day: A 50 percent chance of showers. Highs in the mid 70s. Southeast wind 5 to 10 mph.

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

Night: Mostly clear. Highs in the lower 80s. Lows in the mid 50s.

Night: Partly cloudy. Highs in the lower 80s. Lows in the lower 50s.

Day: Partly cloudy. Highs in the lower 70s. Lows in the mid 40s.

Day: Partly cloudy. Highs in the lower 70s. Lows in the mid 40s.

Night: A chance of showers. Lows in the mid 40s.

Day: A slight chance of showers. Highs around 70.

Night: Mostly clear. Lows in the upper 40s. Southeast winds 5 to 15 mph.

Day: Sunny. Highs in the upper 70s. Southeast winds 10 to 20 mph.

Night: Increasing clouds. Chance of rain showers and slight chance of thunderstorms after 3 am. Patchy fog after 3 am. Lows in the lower 50s. Southeast winds 5 to 15 mph. Chance of precipitation 40 percent.

Day: Patchy fog early in the morning. Mostly cloudy with a 40 percent chance of rain showers in the morning, then mostly sunny in the afternoon. Highs in the upper 70s. Southeast winds 5 to 10 mph in the morning shifting to the west in the afternoon.

Night: Mostly clear. Lows around 50. South winds 5 to 10 mph.

Day: Sunny. Highs in the mid 80s.

Night: Mostly clear. Lows in the mid 50s.

Day: Sunny. Highs in the lower 80s.

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

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

Night: Partly cloudy with a 20 percent chance of rain showers. Lows in the upper 40s.

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

Night: Mostly cloudy. Chance of rain showers in the evening, then slight chance of rain showers overnight. Lows in the upper 40s. Chance of precipitation 30 percent.

Day: Mostly sunny. A 20 percent chance of rain showers in the morning. Highs in the lower 70s.

Day: Mostly sunny. Highs in the mid 60s. Southeast winds around 15 mph.

Night: Increasing clouds. Lows in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Day: Decreasing clouds. Highs in the upper 60s. Southeast winds 15 to 25 mph.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the upper 40s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

Day: Decreasing clouds. A slight chance of thunderstorms. Showers in the morning, then a chance of showers in the afternoon. Highs in the lower 70s. Southeast winds 10 to 15 mph, becoming west around 5 mph in the afternoon.

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

Day: Sunny. Highs in the lower 80s.

Night: Increasing clouds. Lows in the lower 50s.

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

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

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

Night: Partly cloudy. A slight chance of showers after midnight. Lows in the mid 40s. Chance of rain 20 percent.

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

Night: Mostly cloudy. Lows in the lower 40s. Southeast winds 10 to 20 mph.

Day: Decreasing clouds. Highs in the lower 70s. Southeast winds 15 to 25 mph.

Night: Rain showers likely and slight chance of thunderstorms after 3 am. Lows in the upper 40s. Southeast winds 15 to 25 mph. Chance of precipitation 60 percent.

Day: Decreasing clouds. Slight chance of thunderstorms early in the morning. Rain showers likely in the morning, then slight chance of rain showers in the afternoon. Highs in the mid 70s. Southeast winds 5 to 15 mph in the morning shifting to the west in the afternoon. Chance of precipitation 70 percent.

Night: Mostly clear. Lows in the mid 40s. Northwest winds 5 to 10 mph in the evening shifting to the south overnight.

Day: Sunny. Highs in the lower 80s.

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

Day: Mostly sunny. Highs around 80.

Night: Partly cloudy. Lows around 50.

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

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

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

Night: Mostly cloudy with a 50 percent chance of rain showers. Lows in the mid 40s.

Day: Mostly cloudy with a 20 percent chance of rain showers in the morning, then mostly sunny in the afternoon. Highs in the lower 70s.

Night: Mostly clear. Patchy fog overnight. Lows in the mid 40s. East winds 5 to 15 mph.

Day: Mostly sunny. Patchy fog early in the morning. Highs in the upper 70s. Southeast winds 5 to 15 mph.

Night: Mostly cloudy in the evening and overnight, then chance of rain showers and slight chance of thunderstorms after 3 am. Patchy fog after 3 am. Lows in the lower 50s. East winds 5 to 15 mph. Chance of precipitation 30 percent.

Day: Patchy fog early in the morning. Mostly cloudy with a 30 percent chance of rain showers in the morning, then sunny in the afternoon. Highs in the upper 70s. South winds 5 to 10 mph in the morning shifting to the west in the afternoon.

Night: Mostly clear. Lows around 50. Light and variable winds.

Day: Sunny. Highs in the mid 80s.

Night: Mostly clear. Lows in the mid 50s.

Day: Sunny. Highs in the lower 80s.

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

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

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

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

Night: Mostly cloudy. Chance of rain showers in the evening, then slight chance of rain showers overnight. Lows in the upper 40s. Chance of precipitation 30 percent.

Day: Mostly cloudy with a 20 percent chance of rain showers in the morning, then mostly sunny in the afternoon. Highs in the lower 70s.

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

Day: Mostly sunny. Highs in the upper 70s. Southeast wind 10 to 15 mph.

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

Day: Cloudy in the morning, then becoming mostly sunny. Highs in the upper 70s. East wind around 5 mph, becoming south in the afternoon.

Night: Mostly clear. Lows in the upper 40s. South wind around 5 mph in the evening, becoming light and variable.

Day: Mostly clear. Highs in the mid 80s. Lows in the mid 50s.

Day: Mostly clear. Highs in the mid 80s. Lows in the mid 50s.

Night: Partly cloudy. Lows in the lower 50s. Highs in the lower 70s.

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

Night: A chance of showers. Lows in the mid 40s.

Day: A slight chance of showers. Highs in the upper 60s.

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

Day: Mostly sunny. Highs in the mid 70s. Southeast wind 15 to 20 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50. Southeast wind 10 to 15 mph.

Day: A slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 70s. Southeast wind around 10 mph, becoming south in the afternoon. Chance of rain 20 percent.

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

Day: Mostly clear. Highs in the lower 80s. Lows in the mid 50s.

Day: Mostly clear. Highs in the lower 80s. Lows in the mid 50s.

Night: Partly cloudy. Lows in the lower 50s. Highs in the lower 70s.

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

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

Night: A chance of showers. Lows in the mid 40s.

Day: A slight chance of showers. Highs in the upper 60s.

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

Day: Mostly sunny. Highs in the mid 70s. Southeast wind 5 to 10 mph.

Night: Mostly cloudy. Lows around 50. Southeast wind around 5 mph.

Day: A slight chance of showers in the morning, then sunny in the afternoon. Highs in the upper 70s. Light and variable winds, becoming west around 5 mph in the afternoon. Chance of rain 20 percent.

Night: Mostly clear. Lows around 50. Southwest wind around 5 mph.

Day: Mostly clear. Highs in the lower 80s. Lows in the mid 50s.

Day: Mostly clear. Highs in the lower 80s. Lows in the mid 50s.

Night: Partly cloudy. Lows around 50. Highs in the upper 60s.

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

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

Night: A chance of showers. Lows in the mid 40s.

Day: A slight chance of showers. Highs in the upper 60s.

Day: Sunny. Highs in the upper 60s. Southeast winds around 15 mph with gusts up to 25 mph.

Night: Mostly clear. Lows in the upper 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Day: Mostly sunny. Highs in the upper 60s. Southeast winds 15 to 20 mph with gusts up to 35 mph.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent.

Day: Showers likely. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Southeast winds around 15 mph, diminishing to 5 to 10 mph in the afternoon. Chance of rain 70 percent.

Night: Partly cloudy. Lows around 50.

Day: Sunny. Highs in the lower 80s.

Night: Increasing clouds. Lows in the mid 50s.

Day: Mostly sunny. A slight chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.

Night: Partly cloudy. Lows in the mid 50s.

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

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

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

Night: Partly cloudy this evening, then becoming mostly clear. Lows in the upper 40s. Southeast wind 10 to 15 mph.

Day: Mostly sunny. Highs in the mid 70s. Southeast wind 10 to 15 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s. Southeast wind around 10 mph.

Day: Mostly cloudy in the morning, then clearing. Highs in the upper 70s. Southeast wind around 10 mph, becoming south in the afternoon.

Night: Mostly clear. Lows around 50. South wind around 5 mph.

Day: Mostly clear. Highs in the lower 80s. Lows in the mid 50s.

Day: Mostly clear. Highs in the lower 80s. Lows in the mid 50s.

Night: Partly cloudy. Lows in the lower 50s. Highs in the upper 60s.

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

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

Night: A chance of showers. Lows in the mid 40s.

Day: A slight chance of showers. Highs in the mid 60s.

Day: Mostly sunny. Highs in the mid 60s. Southeast winds around 15 mph.

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

Day: Decreasing clouds. Highs around 70. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. Southeast winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

Day: Decreasing clouds. A slight chance of thunderstorms. Showers. Highs in the mid 70s. Southeast winds 10 to 15 mph, becoming southwest 5 to 10 mph in the afternoon.

Night: Increasing clouds. Lows in the upper 40s.

Day: Sunny. Highs in the lower 80s.

Night: Increasing clouds. Lows in the lower 50s.

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

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

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

Night: Partly cloudy. A slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 20 percent.

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

Day: Sunny. Highs in the upper 60s. Southeast winds around 15 mph with gusts up to 25 mph.

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

Day: Mostly sunny. Highs around 70. Southeast winds 15 to 25 mph with gusts up to 35 mph.

Night: Mostly cloudy. A slight chance of. Lows in the lower 50s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Day: Decreasing clouds. A 50 percent chance of showers. Highs in the lower 70s. Southeast winds 5 to 15 mph.

Night: Increasing clouds. Lows in the upper 40s.

Day: Sunny. Highs around 80.

Night: Mostly clear. Lows in the mid 50s.

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

Night: Increasing clouds. A slight chance of showers. Lows in the mid 50s.

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

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

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

Day: Mostly sunny. Highs in the lower 60s. Southeast winds around 15 mph.

Night: Increasing clouds. Lows in the mid 40s. Southeast winds 10 to 20 mph.

Day: Mostly cloudy. Highs in the mid 60s. Southeast winds 20 to 25 mph with gusts up to 40 mph.

Night: Mostly cloudy. A chance of showers after midnight. Lows around 50. Southeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50 percent.

Day: Decreasing clouds. A slight chance of thunderstorms. Showers in the morning, then a chance of showers in the afternoon. Highs in the lower 70s. Southeast winds around 15 mph, becoming southwest in the afternoon.

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

Day: Sunny. Highs around 80.

Night: Increasing clouds. Lows in the lower 50s.

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

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

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

Night: Partly cloudy. A slight chance of showers after midnight. Lows in the mid 40s. Chance of rain 20 percent.

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

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

Day: Partly sunny in the morning, then clearing. Highs in the lower 70s. Southeast wind 15 to 20 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s. Southeast wind 10 to 15 mph.

Day: Cloudy in the morning, then becoming partly sunny. Highs in the lower 70s. South wind 10 to 15 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 50. South wind around 5 mph.

Night: Mostly clear. Highs in the lower 80s. Lows in the mid 50s.

Day: Mostly sunny and breezy. Highs in the upper 70s.

Night: A slight chance of showers. Breezy with lows in the lower 50s.

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

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

Night: A chance of showers. Lows in the mid 40s.

Day: A slight chance of showers. Highs in the mid 60s.

Day: Mostly sunny. Highs in the mid 60s. South winds around 10 mph with gusts up to 20 mph.

Night: Increasing clouds. Lows in the mid 40s. South winds 10 to 15 mph.

Day: Decreasing clouds. Highs in the mid 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the upper 40s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

Day: Showers in the morning, then showers likely and a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Southeast winds around 15 mph, becoming south 5 to 10 mph in the afternoon.

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

Day: Sunny. Highs in the upper 70s.

Night: Increasing clouds. Lows in the lower 50s.

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

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

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

Night: Partly cloudy. A slight chance of showers after midnight. Lows in the mid 40s. Chance of rain 20 percent.

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

Night: Mostly cloudy. Lows in the mid 40s. Southeast winds 10 to 20 mph.

Day: Decreasing clouds. Highs in the lower 70s. Southeast winds 10 to 20 mph.

Night: Mostly cloudy. Slight chance of showers and thunderstorms overnight. Chance of rain showers and slight chance of thunderstorms after 3 am. Lows in the lower 50s. Southeast winds 10 to 20 mph. Chance of precipitation 40 percent.

Day: Patchy fog early in the morning. Partly sunny with a 20 percent chance of rain showers in the morning, then sunny in the afternoon. Highs in the mid 70s. South winds 5 to 15 mph in the morning shifting to the west in the afternoon.

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

Day: Sunny. Highs around 80.

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

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

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

Day: Sunny. Highs in the mid 70s.

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

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

Night: Mostly cloudy with a 40 percent chance of rain showers. Lows in the upper 40s.

Day: Partly sunny with a 20 percent chance of rain showers. Highs around 70.