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Big Timber, Montana Weather Forecast
Big Timber, Montana Weather
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Weather Forecast for Big Timber, Montana : Sweet Grass County
Issued: 10:09 pm MST Dec 16, 2025 Latitude: 45.8349395 Longitude: -109.9554647 View on Google Maps

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Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Cloudy on Tonight 40% chance of rain & snow on Wednesday 30% chance of snow on Thursday 60% chance of rain & snow on Friday 30% chance of snow on Saturday 20% chance of snow on Sunday 30% chance of rain on Monday Mostly Cloudy on Tuesday
Low: 48°F High: 50 °F High: 45°F High: 53°F High: 40°F High: 41°F High: 50°F High: 48°F
Low: 29°F Low: 47 °F Low: 28°F Low: 23°F Low: 29°F Low: 33°F  
Mostly Cloudy Rain & Snow Snow Rain & Snow Snow Snow Rain Mostly Cloudy
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Current Conditions at
LIVINGSTON - (KLVM)
50°
Feels like 41°F
Clear
as of 9:53 PM MST
Rel. Humidity: 37%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
33 MPH
Gust: 47 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
BOZEMAN - (KBZN)
50°
Feels like 45°F
Clear
as of 9:56 PM MST
Rel. Humidity: 29%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
10 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
BILLINGS - (KBIL)
45°
Feels like 39°F
Mostly Cloudy
as of 9:53 PM MST
Rel. Humidity: 56%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
10 MPH
230° Southwest
Cloud Level(s): Broken at 16000ft
Current Conditions at
LEWISTOWN - (KLWT)
43°
Feels like 36°F
Clear
as of 9:54 PM MST
Rel. Humidity: 56%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
10 MPH
230° Southwest
Cloud Level(s): Clear
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a steady temperature around 48. South wind 28 to 32 mph, with gusts as high as 45 mph.
40% chance of rain & snow Wednesday Wednesday... A chance of rain showers, mixing with snow after 11am, then gradually ending. Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 50 by 10am, then falling to around 34 during the remainder of the day. West wind 43 to 55 mph, with gusts as high as 75 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 29. West wind 31 to 41 mph decreasing to 17 to 27 mph. Winds could gust as high as 55 mph.
30% chance of snow Thursday Thursday... A 30 percent chance of snow showers, mainly after 5pm. Mostly cloudy, with a high near 45. Southwest wind 13 to 16 mph. Little or no snow accumulation expected.
30% chance of rain & snow Thursday Night Thursday Night... A chance of snow showers before 8pm, then a chance of rain showers. Mostly cloudy, with a temperature rising to around 47 by 4am. West southwest wind 14 to 19 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
60% chance of rain & snow Friday Friday... Rain showers likely before 2pm, then rain and snow showers likely. Mostly cloudy, with a high near 53. West southwest wind 23 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
60% chance of rain & snow Friday Night Friday Night... Rain and snow showers likely, becoming all snow after 8pm. Mostly cloudy, with a low around 28. West wind 14 to 16 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
30% chance of snow Saturday Saturday... A 30 percent chance of snow showers, mainly before 11am. Mostly sunny, with a high near 40. West wind 10 to 14 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 23. West southwest wind 7 to 9 mph.
20% chance of snow Sunday Sunday... A slight chance of snow showers before 11am, then a slight chance of snow showers after 5pm. Partly sunny, with a high near 41. South southwest wind 6 to 8 mph. Chance of precipitation is 20%.
30% chance of rain & snow Sunday Night Sunday Night... A chance of rain and snow showers. Mostly cloudy, with a low around 29. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
30% chance of rain Monday Monday... A 30 percent chance of showers. Mostly cloudy, with a high near 50. West southwest wind 10 to 14 mph.
20% chance of rain Monday Night Monday Night... A 20 percent chance of showers. Mostly cloudy, with a low around 33. West southwest wind around 10 mph.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 48. Southwest wind 9 to 11 mph.
Current Radar Image


Sun Almanac for Big Timber, Montana
Sunrise: 07:56 AM
Sunset: 4:36 PM
Civil Sunrise:07:22 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:44 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 06:07 AM
Astro Sunset: 6:25 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.