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McDonald, Montana Weather Forecast
McDonald, Montana Weather
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Weather Forecast for McDonald, Montana : Powell County
Issued: 1:01 am MST Dec 17, 2025 Latitude: 46.6499338 Longitude: -112.5855875 View on Google Maps

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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: 29°F High: 26 °F High: 37°F High: 39°F High: 30°F High: 34°F High: 37°F High: 36°F
Low: 21°F Low: 30°F Low: 19°F Low: 17°F Low: 22°F Low: 20°F  
Snow Snow Snow Snow Snow Snow Snow Snow
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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
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
GREAT FALLS - (KGTF)
46°
Feels like 39°F
Clear
as of 1:53 AM MST
Rel. Humidity: 42%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.45 in.
Flight Rule: VFR
Wind Data
17 MPH
210° Southwest
Cloud Level(s): Clear
50% chance of snow Overnight Overnight... A 50 percent chance of snow. Mostly cloudy, with a low around 29. South southwest wind 17 to 20 mph, with gusts as high as 39 mph. Little or no snow accumulation expected.
50% chance of snow Wednesday Wednesday... A 50 percent chance of snow. Cloudy through mid morning, then becoming mostly sunny, with a temperature falling to around 26 by 4pm. Windy, with a west wind 23 to 28 mph increasing to 36 to 41 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 21. Windy, with a west wind 24 to 34 mph decreasing to 10 to 20 mph. Winds could gust as high as 48 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 37. South southwest wind 6 to 13 mph, with gusts as high as 21 mph. 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 rising to 6000 feet. Cloudy, with a low around 30. South southwest wind 13 to 18 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
50% chance of snow Friday Friday... A 50 percent chance of snow. Cloudy, with a high near 39. 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 19. 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 30.
20% chance of snow Saturday Night Saturday Night... A chance of snow. Partly cloudy, with a low around 17.
20% chance of snow Sunday Sunday... A chance of snow. Mostly sunny, with a high near 34.
20% chance of snow Sunday Night Sunday Night... A chance of snow. Mostly cloudy, with a low around 22.
20% chance of snow Monday Monday... A chance of snow. Snow level 5800 feet lowering to 5400 feet. Partly sunny, with a high near 37.
20% chance of snow Monday Night Monday Night... A chance of snow. Mostly cloudy, with a low around 20.
20% chance of snow Tuesday Tuesday... A chance of snow. Partly sunny, with a high near 36.
Current Radar Image


Sun Almanac for McDonald, Montana
Sunrise: 08:10 AM
Sunset: 4:44 PM
Civil Sunrise:07:35 AM
Civil Sunset: 5:19 PM
Nautical Sunrise: 06:56 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 06:19 AM
Astro Sunset: 6:34 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.