Weather Forecast for
Jefferson County, MT

Overnight: Mostly clear, with a low around 38. Southwest wind around 7 mph, with gusts as high as 20 mph.

Friday: Sunny, with a high near 64. South southwest wind 6 to 11 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

Friday Night: Increasing clouds, with a low around 40. West northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.

Saturday: A chance of rain and snow before 9am, then a chance of rain between 9am and noon, then rain showers likely after noon. Some thunder is also possible. Mostly cloudy, with a high near 54. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday Night: Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then snow likely after midnight. Cloudy, with a low around 32. Northwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Sunday: Snow showers before 3pm, then snow showers, possibly mixed with rain. Some thunder is also possible. High near 44. North wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Sunday Night: A slight chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 30. North wind 9 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Monday: A chance of snow before noon, then a chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 47. North northeast wind 7 to 13 mph, with gusts as high as 25 mph.

Monday Night: Partly cloudy, with a low around 29.

Tuesday: Partly sunny, with a high near 57.

Tuesday Night: Partly cloudy, with a low around 35.

Wednesday: Mostly sunny, with a high near 65.

Wednesday Night: Mostly cloudy, with a low around 40.

Thursday: Mostly sunny, with a high near 69.

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