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Fort Smith, Montana Weather Forecast
Fort Smith, Montana Weather
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Click for High Wind Warning for Fort Smith, Montana
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Weather Forecast for Fort Smith, Montana : Big Horn County
Issued: 10:09 pm MST Dec 16, 2025 Latitude: 45.3127372 Longitude: -107.937055 View on Google Maps

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Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Cloudy on Tonight 70% chance of rain on Wednesday Partly Sunny on Thursday 40% chance of on Friday 30% chance of snow on Saturday 20% chance of rain & snow on Sunday 20% chance of on Monday Partly Sunny on Tuesday
Low: 43°F High: 57 °F High: 46°F High: 55 °F High: 43°F High: 45°F High: 56°F High: 54°F
Low: 26°F Low: 38 °F Low: 29°F Low: 26°F Low: 32°F Low: 34°F  
Mostly Cloudy Rain Partly Sunny Partly Sunny Snow Rain & Snow Partly Sunny Partly Sunny
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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
SOUTH BIG HORN - (KGEY)
39°
Clear
as of 9:53 PM MST
Rel. Humidity: 60%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
6 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
SHERIDAN - (KSHR)
37°
Clear
as of 9:53 PM MST
Rel. Humidity: 80%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CODY - (KCOD)
50°
Clear
as of 9:56 PM MST
Rel. Humidity: 31%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
5 MPH
250° West
Cloud Level(s): Clear
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 43. South southwest wind 25 to 30 mph increasing to 31 to 36 mph after midnight. Winds could gust as high as 49 mph.
70% chance of rain Wednesday Wednesday... Showers likely, mainly between 11am and 2pm. Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 57 by 10am, then falling to around 41 during the remainder of the day. Southwest wind around 41 mph becoming west northwest in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 70%.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 26. West northwest wind 38 to 43 mph decreasing to 28 to 33 mph after midnight. Winds could gust as high as 60 mph.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 46. West northwest wind 20 to 25 mph becoming south southwest 11 to 16 mph in the morning.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a temperature falling to near 38 by 10pm, then rising to around 49 during the remainder of the night. Southwest wind 14 to 19 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 43 mph.
40% chance of Friday Friday... A 40 percent chance of showers, mainly after 11am. Partly sunny, with a temperature rising to near 55 by noon, then falling to around 46 during the remainder of the day. Southwest wind 24 to 33 mph, with gusts as high as 47 mph.
60% chance of rain & snow Friday Night Friday Night... Rain and snow showers likely before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 29. West wind 10 to 17 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. Partly sunny, with a high near 43. West wind around 10 mph.
20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 26. South southwest wind around 9 mph.
20% chance of rain & snow Sunday Sunday... A slight chance of rain and snow showers before 11am. Partly sunny, with a high near 45. South wind around 8 mph. Chance of precipitation is 20%.
20% chance of rain Sunday Night Sunday Night... A 20 percent chance of showers. Mostly cloudy, with a low around 32. South southwest wind 7 to 10 mph.
20% chance of Monday Monday... A 20 percent chance of showers. Partly sunny, with a high near 56. Southwest wind 11 to 13 mph.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 34. South southwest wind around 9 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 54. South wind around 10 mph.
Current Radar Image


Sun Almanac for Fort Smith, Montana
Sunrise: 07:46 AM
Sunset: 4:30 PM
Civil Sunrise:07:12 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:35 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:59 AM
Astro Sunset: 6:18 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.