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Polaris, Montana Weather Forecast
Polaris, Montana Weather
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Weather Forecast for Polaris, Montana : Beaverhead County
Issued: 9:27 pm MST Dec 16, 2025 Latitude: 45.3696461 Longitude: -113.1194871 View on Google Maps

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Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
60% chance of rain & snow on Overnight 90% chance of rain & snow on Wednesday 80% chance of snow on Thursday 90% chance of rain & snow on Friday 20% chance of snow on Saturday 20% chance of snow on Sunday 20% chance of rain & snow on Monday 20% chance of rain & snow on Tuesday
Low: 38°F High: 22 °F High: 36°F High: 39°F High: 30°F High: 36°F High: 40°F High: 41°F
Low: 18°F Low: 30°F Low: 21°F Low: 16°F Low: 28°F Low: 27°F  
Rain & Snow Rain & Snow Snow Rain & Snow Snow Snow Rain & Snow Rain & Snow
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Current Conditions at
DILLON - (KDLN)
43°
Feels like 35°F
Mostly Cloudy
as of 11:53 PM MST
Rel. Humidity: 41%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 24 MPH
150° Southeast
Cloud Level(s): Broken at 8000ft
Current Conditions at
SALMON - (KSMN)
48°
Feels like 44°F
Clear
as of 11:56 PM MST
Rel. Humidity: 39%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
9 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
BUTTE - (KBTM)
37°
Clear
as of 11:53 PM MST
Rel. Humidity: 51%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CHALLIS - (KLLJ)
45°
Mostly Cloudy
as of 11:55 PM MST
Rel. Humidity: 39%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
6 MPH
190° South
Cloud Level(s): Broken at 5500ft
60% chance of rain & snow Overnight Overnight... A chance of rain and snow before 4am, then rain likely. Mostly cloudy, with a steady temperature around 38. South wind 15 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

90% chance of rain & snow Wednesday Wednesday... Rain and snow before 1pm, then a chance of snow after 2pm. Temperature falling to around 22 by 5pm. Windy, with a south southwest wind 23 to 30 mph becoming west in the morning. Winds could gust as high as 55 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 18. Breezy, with a west wind 19 to 24 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 45 mph.

80% chance of snow Thursday Thursday... Snow, mainly after 11am. High near 36. South southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

90% chance of rain & snow Thursday Night Thursday Night... Snow before 8pm, then rain, possibly mixed with snow. Low around 30. South southwest wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

90% chance of rain & snow Friday Friday... Rain and snow, becoming all snow after 8am. High near 39. Southwest wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

60% chance of snow Friday Night Friday Night... Snow likely, mainly before 11pm. Mostly cloudy, with a low around 21. West wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

20% chance of snow Saturday Saturday... A chance of snow, mainly before 11am. Partly sunny, with a high near 30. West southwest wind 8 to 10 mph, with gusts as high as 21 mph.

10% chance of snow Saturday Night Saturday Night... A slight chance of snow. Partly cloudy, with a low around 16.

20% chance of snow Sunday Sunday... A chance of snow, mainly after 11am. Partly sunny, with a high near 36.

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

20% chance of rain & snow Monday Monday... A chance of rain and snow. Partly sunny, with a high near 40.

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

20% chance of rain & snow Tuesday Tuesday... A chance of rain and snow. Partly sunny, with a high near 41.

Current Radar Image


Sun Almanac for Polaris, Montana
Sunrise: 08:07 AM
Sunset: 4:51 PM
Civil Sunrise:07:33 AM
Civil Sunset: 5:25 PM
Nautical Sunrise: 06:55 AM
Nautical Sunset: 6:02 PM
Astro Sunrise: 06:19 AM
Astro Sunset: 6:38 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.