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Lewistown Junction, Montana Weather Forecast
Lewistown Junction, Montana Weather
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Click for High Wind Warning for Lewistown Junction, Montana
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Weather Forecast for Lewistown Junction, Montana : Fergus County
Issued: 9:27 pm MST Dec 16, 2025 Latitude: 47.0535841 Longitude: -109.4165707 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Cloudy on Overnight 60% chance of rain & snow on Wednesday Increasing Clouds on Thursday 40% chance of rain & snow on Friday 10% chance of snow on Saturday Partly Sunny on Sunday 10% chance of rain & snow on Monday Partly Sunny on Tuesday
Low: 44°F High: 48 °F High: 43°F High: 48°F High: 37°F High: 41°F High: 45°F High: 46°F
Low: 19°F Low: 31°F Low: 19°F Low: 21°F Low: 25°F Low: 27°F  
Mostly Cloudy Rain & Snow Increasing Clouds Rain & Snow Snow Partly Sunny Rain & Snow Partly Sunny
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Current Conditions at
LEWISTOWN - (KLWT)
45°
Feels like 37°F
Clear
as of 1:54 AM MST
Rel. Humidity: 45%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.57 in.
Flight Rule: VFR
Wind Data
15 MPH
210° Southwest
Cloud Level(s): Clear
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
Current Conditions at
BILLINGS - (KBIL)
46°
Feels like 41°F
Mostly Clear
as of 1:53 AM MST
Rel. Humidity: 45%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.64 in.
Flight Rule: VFR
Wind Data
12 MPH
240° Southwest
Cloud Level(s): Few at 18000ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a steady temperature around 44. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 34 mph.
60% chance of rain & snow Wednesday Wednesday... Rain likely, possibly mixing with snow after 11am, then gradually ending. Patchy blowing dust after 11am. Mostly cloudy during the morning, then sunny during the afternoon, with a temperature rising to near 48 by 9am, then falling to around 34 during the remainder of the day. Windy, with a west wind 26 to 31 mph increasing to 38 to 43 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Dust on Wednesday Night Wednesday Night... Patchy blowing dust before 10pm. Mostly cloudy, with a low around 19. Windy, with a west northwest wind 29 to 39 mph decreasing to 18 to 28 mph after midnight. Winds could gust as high as 60 mph.
Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 43. South southwest wind 8 to 13 mph, with gusts as high as 23 mph.
20% chance of snow Thursday Night Thursday Night... A slight chance of snow, mixing with rain after 8pm, then gradually ending. Mostly cloudy, with a low around 31. South southwest wind 13 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
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 48. West northwest wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
40% chance of snow Friday Night Friday Night... A 40 percent chance of snow. Mostly cloudy, with a low around 19. West wind 9 to 13 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.
10% chance of snow Saturday Saturday... A slight chance of snow before 11am. Mostly sunny, with a high near 37. West wind 8 to 13 mph, with gusts as high as 22 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 21.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 41.
10% chance of rain & snow Sunday Night Sunday Night... A slight chance of rain and snow. Mostly cloudy, with a low around 25.
10% chance of rain & snow Monday Monday... A slight chance of rain and snow. Mostly cloudy, with a high near 45.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 27.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 46.
Current Radar Image


Sun Almanac for Lewistown Junction, Montana
Sunrise: 07:59 AM
Sunset: 4:29 PM
Civil Sunrise:07:23 AM
Civil Sunset: 5:05 PM
Nautical Sunrise: 06:44 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 06:07 AM
Astro Sunset: 6:21 PM
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