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Potomac, Montana Weather Forecast
Potomac, Montana Weather
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Weather Forecast for Potomac, Montana : Missoula County
Issued: 1:01 am MST Dec 17, 2025 Latitude: 46.8815967 Longitude: -113.5795332 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
50% chance of snow on Overnight 50% chance of snow on Wednesday 50% chance of snow on Thursday 50% 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: 32°F High: 32 °F High: 41°F High: 42°F High: 35°F High: 37°F High: 41°F High: 38°F
Low: 26°F Low: 31°F Low: 23°F Low: 21°F Low: 24°F Low: 21°F  
Snow Snow Snow Snow Snow Snow Snow Snow
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Current Conditions at
MISSOULA - (KMSO)
48°
Cloudy
Light Rain
as of 1:53 AM MST
Rel. Humidity: 61%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.52 in.
Flight Rule: VFR
Wind Data
6 MPH
260° West
Cloud Level(s): Broken at 5500ft, Solid Overcast at 7000ft
Current Conditions at
HELENA - (KHLN)
48°
Clear
as of 1:53 AM MST
Rel. Humidity: 34%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.56 in.
Flight Rule: VFR
Wind Data
8 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
MULLAN PASS - (KMLP)
32°
Feels like 24°F
Clear
Light Snow Mist
as of 12:53 AM PST
Rel. Humidity: 92%
Dew Point: 30°F
Visibility: 3/4 Miles
Pressure: 29.42 in.
Flight Rule: MVFR
Wind Data
9 MPH
Gust: 25 MPH
190° South
50% chance of snow Overnight Overnight... A 50 percent chance of snow. Cloudy, with a low around 32. Southwest wind around 7 mph, with gusts as high as 30 mph. Little or no snow accumulation expected.
50% chance of snow Wednesday Wednesday... A 50 percent chance of snow. Mostly cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a west wind 10 to 15 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 60 mph. New snow accumulation of less than a half inch possible.
30% chance of snow Wednesday Night Wednesday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 26. West wind 12 to 17 mph becoming light after midnight. Winds could gust as high as 30 mph. New snow accumulation of less than a half inch possible.
50% chance of snow Thursday Thursday... A 50 percent chance of snow. Mostly cloudy, with a high near 41. Light and variable wind. New snow accumulation of less than a half inch possible.
50% chance of snow Thursday Night Thursday Night... A 50 percent chance of snow. Snow level 4300 feet rising to 5700 feet. Cloudy, with a low around 31. Calm wind becoming southwest 5 to 7 mph in the evening. Winds could gust as high as 22 mph. Little or no snow accumulation expected.
50% chance of snow Friday Friday... A 50 percent chance of snow. Snow level 4700 feet lowering to 3600 feet in the afternoon . Cloudy, with a high near 42. New snow accumulation of less than a half inch possible.
50% chance of snow Friday Night Friday Night... A 50 percent chance of snow. Mostly cloudy, with a low around 23. New snow accumulation of less than one inch possible.
20% chance of snow Saturday Saturday... A chance of snow. Partly sunny, with a high near 35.
20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 21.
20% chance of snow Sunday Sunday... A chance of snow. Partly sunny, with a high near 37.
20% chance of snow Sunday Night Sunday Night... A chance of snow. Snow level 4000 feet rising to 4600 feet after midnight. Mostly cloudy, with a low around 24.
20% chance of snow Monday Monday... A chance of snow. Snow level 5200 feet lowering to 4500 feet. Mostly cloudy, with a high near 41.
20% chance of snow Monday Night Monday Night... A chance of snow. Snow level 4900 feet lowering to 3600 feet after midnight . Mostly cloudy, with a low around 21.
20% chance of snow Tuesday Tuesday... A chance of snow. Partly sunny, with a high near 38.
Current Radar Image


Sun Almanac for Potomac, Montana
Sunrise: 08:15 AM
Sunset: 4:47 PM
Civil Sunrise:07:39 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 07:01 AM
Nautical Sunset: 6:01 PM
Astro Sunrise: 06:24 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.