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Armington Junction, Montana Weather Forecast
Armington Junction, Montana Weather
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Weather Forecast for Armington Junction, Montana : Cascade County
Issued: 9:43 pm MST Dec 17, 2025 Latitude: 47.3480206 Longitude: -110.8943977 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
20% chance of snow on Tonight 20% chance of snow on Thursday 40% chance of rain & snow on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday 20% chance of rain & snow on Monday Partly Sunny on Tuesday 10% chance of rain & snow on Wednesday
Low: 25°F High: 47°F High: 50°F High: 39°F High: 46°F High: 45°F High: 45°F High: 48°F
Low: 51 °F Low: 27°F Low: 28°F Low: 32°F Low: 28°F Low: 30°F  
Snow Snow Rain & Snow Mostly Sunny Mostly Sunny Rain & Snow Partly Sunny Rain & Snow
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Current Conditions at
GREAT FALLS - (KGTF)
19°
Clear
as of 8:53 PM MST
Rel. Humidity: 85%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
6 MPH
040° Northeast
Cloud Level(s): Clear
Current Conditions at
LEWISTOWN - (KLWT)
25°
Feels like 11°F
Cloudy
as of 8:54 PM MST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.68 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 36 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 7500ft
20% chance of snow Tonight Tonight... A 20 percent chance of snow before 1am. Partly cloudy, with a low around 25. Blustery, with a west northwest wind 21 to 26 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 36 mph.
20% chance of snow Thursday Thursday... A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 47. Southwest wind 14 to 16 mph, with gusts as high as 24 mph.
40% chance of rain & snow Thursday Night Thursday Night... A chance of rain and snow before 11pm, then a chance of rain. Mostly cloudy, with a temperature rising to around 51 by 3am. Windy, with a southwest wind 18 to 23 mph increasing to 28 to 33 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
40% chance of rain & snow Friday Friday... A chance of rain and snow before 11am, then a chance of snow. Partly sunny, with a high near 50. Windy, with a west wind 22 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
20% chance of snow Friday Night Friday Night... A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 27. West southwest wind 13 to 17 mph, with gusts as high as 23 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 39. Breezy, with a west southwest wind 18 to 24 mph, with gusts as high as 33 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 28. South southwest wind 15 to 18 mph, with gusts as high as 28 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 46. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
10% chance of rain & snow Sunday Night Sunday Night... A slight chance of rain and snow after 11pm. Mostly cloudy, with a low around 32.
20% chance of rain & snow Monday Monday... A chance of rain and snow before 2pm, then a slight chance of snow. Partly sunny, with a high near 45.
10% chance of snow Monday Night Monday Night... A slight chance of snow. Partly cloudy, with a low around 28.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 45.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30.
10% chance of rain & snow Wednesday Wednesday... A slight chance of rain and snow. Partly sunny, with a high near 48.
Sun Almanac for Armington Junction, Montana
Sunrise: 08:07 AM
Sunset: 4:34 PM
Civil Sunrise:07:31 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:52 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 06:14 AM
Astro Sunset: 6:27 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.