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Big Sky, Montana Weather Forecast
Big Sky, Montana Weather
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Weather Forecast for Big Sky, Montana : Gallatin County
Issued: 2:47 am MST Dec 17, 2025 Latitude: 45.2846507 Longitude: -111.368292 View on Google Maps

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Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
40% chance of snow on Overnight 90% chance of blowing snow on Wednesday 70% chance of snow on Thursday 90% chance of snow on Friday 20% chance of snow on Saturday 20% chance of snow on Sunday 20% chance of snow on Monday 20% chance of snow on Tuesday
Low: 37°F High: 37 °F High: 32°F High: 37°F High: 27°F High: 33°F High: 37°F High: 37°F
Low: 15°F Low: 26°F Low: 18°F Low: 17°F Low: 28°F Low: 27°F  
Snow Blowing Snow Snow Snow Snow Snow Snow Snow
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Current Conditions at
BOZEMAN - (KBZN)
46°
Mostly Cloudy
as of 2:56 AM MST
Rel. Humidity: 36%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Scattered at 8500ft, Broken at 11000ft
Current Conditions at
LIVINGSTON - (KLVM)
48°
Feels like 38°F
Clear
as of 2:53 AM MST
Rel. Humidity: 39%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.54 in.
Flight Rule: VFR
Wind Data
43 MPH
Gust: 59 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
DILLON - (KDLN)
46°
Feels like 38°F
Partly Cloudy
as of 2:53 AM MST
Rel. Humidity: 39%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.63 in.
Flight Rule: VFR
Wind Data
22 MPH
Gust: 36 MPH
200° South
Cloud Level(s): Scattered at 11000ft
Current Conditions at
HELENA - (KHLN)
54°
Partly Cloudy
as of 2:53 AM MST
Rel. Humidity: 32%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.50 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 22 MPH
240° Southwest
Cloud Level(s): Scattered at 10000ft
40% chance of snow Overnight Overnight... A 40 percent chance of snow. Mostly cloudy, with a steady temperature around 37. South wind around 15 mph, with gusts as high as 39 mph. Total nighttime snow accumulation of less than a half inch possible.

90% chance of blowing snow Wednesday Wednesday... Rain and snow before noon, then a slight chance of snow between noon and 1pm. Patchy blowing snow between 11am and noon. Temperature rising to near 37 by 10am, then falling to around 21 during the remainder of the day. Breezy, with a south southwest wind 16 to 22 mph becoming west in the morning. Winds could gust as high as 46 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 15. West wind 6 to 16 mph, with gusts as high as 41 mph.

70% chance of snow Thursday Thursday... Snow likely, mainly after 11am. Mostly cloudy, with a high near 32. South southwest wind 6 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

70% chance of snow Thursday Night Thursday Night... Snow likely. Mostly cloudy, with a low around 26. South southwest wind 11 to 13 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

90% chance of snow Friday Friday... Snow. High near 37. South southwest wind 11 to 14 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

70% chance of snow Friday Night Friday Night... Snow likely, mainly before 11pm. Mostly cloudy, with a low around 18. West wind 6 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 7 inches possible.

20% chance of snow Saturday Saturday... A chance of snow. Mostly sunny, with a high near 27. West southwest wind 6 to 10 mph, with gusts as high as 25 mph.

10% chance of snow Saturday Night Saturday Night... A slight chance of snow. Partly cloudy, with a low around 17.

20% chance of snow Sunday Sunday... A chance of snow. Partly sunny, with a high near 33.

20% chance of snow Sunday Night Sunday Night... A chance of snow. Mostly cloudy, with a low around 28.

20% chance of snow Monday Monday... A chance of snow. Mostly cloudy, with a high near 37.

20% chance of snow Monday Night Monday Night... A chance of snow. Mostly cloudy, with a low around 27.

20% chance of snow Tuesday Tuesday... A chance of snow. Partly sunny, with a high near 37.

Current Radar Image


Sun Almanac for Big Sky, Montana
Sunrise: 08:00 AM
Sunset: 4:44 PM
Civil Sunrise:07:26 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 06:48 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 06:12 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.