Weather Forecast for
Jefferson County, MT

Tonight: A 40 percent chance of showers after 3am. Cloudy, with a low around 48. Light and variable wind becoming west around 6 mph after midnight.

Tuesday: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 65. West wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 70%.

Tuesday Night: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 39. West southwest wind 8 to 15 mph, with gusts as high as 25 mph.

Wednesday: Mostly sunny, with a high near 58. West southwest wind 11 to 21 mph, with gusts as high as 37 mph.

Wednesday Night: Partly cloudy, with a low around 36. West wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.

Thursday: Sunny, with a high near 69. West southwest wind 5 to 9 mph, with gusts as high as 18 mph.

Thursday Night: Mostly clear, with a low around 42. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.

Friday: Sunny, with a high near 76. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Friday Night: Mostly clear, with a low around 46.

Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.

Saturday Night: Partly cloudy, with a low around 43.

Sunday: Mostly sunny, with a high near 69.

Sunday Night: Partly cloudy, with a low around 44.

Monday: Mostly sunny, with a high near 70.

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