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Jefferson, Montana Weather Forecast
Jefferson, Montana Weather
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Weather Forecast for Jefferson, Montana : Gallatin County
Issued: 9:18 am MST Dec 17, 2025 Latitude: 45.8999281 Longitude: -111.5424698 View on Google Maps

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Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
10% chance of snow on Today Mostly Cloudy on Tonight Mostly Cloudy on Thursday 50% chance of rain & snow on Friday 10% chance of snow on Saturday Partly Sunny on Sunday 10% chance of rain & snow on Monday Partly Sunny on Tuesday
High: 35 °F Low: 23°F High: 42°F High: 52°F High: 39°F High: 39°F High: 46°F High: 42°F
Low: 33°F Low: 21°F Low: 17°F Low: 25°F Low: 24°F  
Snow Mostly Cloudy Mostly Cloudy Rain & Snow Snow Partly Sunny Rain & Snow Partly Sunny
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Current Conditions at
BOZEMAN - (KBZN)
43°
Feels like 33°F
Cloudy
Light Rain
as of 10:26 AM MST
Rel. Humidity: 81%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.36 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 39 MPH
270° West
Cloud Level(s): Solid Overcast at 3400ft
Current Conditions at
HELENA - (KHLN)
43°
Feels like 33°F
Cloudy
Light Rain
as of 10:02 AM MST
Rel. Humidity: 75%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.29 in.
Flight Rule: VFR
Wind Data
22 MPH
Gust: 32 MPH
260° West
Cloud Level(s): Broken at 3300ft, Broken at 4900ft, Solid Overcast at 6000ft
Current Conditions at
LIVINGSTON - (KLVM)
43°
Feels like 31°F
Cloudy
Rain Mist
as of 10:39 AM MST
Rel. Humidity: 86%
Dew Point: 39°F
Visibility: 2 Miles
Pressure: 29.29 in.
Flight Rule: IFR
Wind Data
36 MPH
Gust: 56 MPH
290° West
Cloud Level(s): Few at 3000ft, Broken at 3900ft, Solid Overcast at 7000ft
10% chance of snow Today Today... A 10 percent chance of snow before noon. Patchy blowing dust. Sunny, with a temperature falling to around 35 by 5pm. Windy, with a west wind 31 to 34 mph, with gusts as high as 55 mph.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 23. Breezy, with a west wind 19 to 24 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 45 mph.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 42. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.
30% chance of rain & snow Thursday Night Thursday Night... A chance of rain and snow before 11pm, then a chance of rain. Mostly cloudy, with a low around 33. South southwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
50% chance of rain & snow Friday Friday... A chance of rain before 11am, then a chance of rain and snow. Mostly cloudy, with a high near 52. West wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
50% chance of rain & snow Friday Night Friday Night... A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 21. West southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
10% chance of snow Saturday Saturday... A 10 percent chance of snow before 11am. Mostly sunny, with a high near 39. West southwest wind 6 to 13 mph, with gusts as high as 24 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 17. South southwest wind 6 to 8 mph.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 39.
10% chance of rain & snow Sunday Night Sunday Night... A slight chance of rain and snow after 11pm. Mostly cloudy, with a low around 25.
10% chance of rain & snow Monday Monday... A slight chance of rain and snow. Mostly cloudy, with a high near 46.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 24.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 42.
Current Radar Image


Sun Almanac for Jefferson, Montana
Sunrise: 08:03 AM
Sunset: 4:42 PM
Civil Sunrise:07:28 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 06:50 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 06:14 AM
Astro Sunset: 6:31 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.