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West Lewistown, Montana Weather Forecast
West Lewistown, Montana Weather
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Weather Forecast for West Lewistown, Montana : Fergus County
Issued: 4:03 am MST Dec 17, 2025 Latitude: 47.0983074 Longitude: -109.4649065 View on Google Maps

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Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
60% chance of rain & snow on Today Dust on Tonight Increasing Clouds on Thursday 40% chance of rain & snow on Friday 10% chance of snow on Saturday Mostly Sunny on Sunday 10% chance of rain & snow on Monday Partly Sunny on Tuesday
High: 33 °F Low: 17°F High: 42°F High: 47°F High: 37°F High: 40°F High: 42°F High: 42°F
Low: 30°F Low: 18°F Low: 21°F Low: 25°F Low: 22°F  
Rain & Snow Dust Increasing Clouds Rain & Snow Snow Mostly Sunny Rain & Snow Partly Sunny
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Current Conditions at
LEWISTOWN - (KLWT)
50°
Feels like 43°F
Mostly Cloudy
as of 8:54 AM MST
Rel. Humidity: 46%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.13 in.
Flight Rule: VFR
Wind Data
23 MPH
Gust: 35 MPH
230° Southwest
Cloud Level(s): Broken at 11000ft
Current Conditions at
GREAT FALLS - (KGTF)
43°
Feels like 34°F
Mostly Cloudy
Light Rain
as of 9:00 AM MST
Rel. Humidity: 93%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.11 in.
Flight Rule: VFR
Wind Data
21 MPH
Gust: 26 MPH
220° Southwest
Cloud Level(s): Scattered at 4000ft, Broken at 9500ft, Broken at 11000ft
Current Conditions at
BILLINGS - (KBIL)
54°
Partly Cloudy
as of 8:53 AM MST
Rel. Humidity: 40%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.24 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 32 MPH
230° Southwest
Cloud Level(s): Scattered at 9000ft, Scattered at 23000ft
60% chance of rain & snow Today Today... Rain likely before 11am, then a slight chance of snow after 4pm. Patchy blowing dust after 11am. Partly sunny, with a temperature falling to around 33 by 5pm. Windy, with a west wind 22 to 27 mph increasing to 34 to 39 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Dust on Tonight Tonight... Patchy blowing dust before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Windy, with a west northwest wind 24 to 34 mph decreasing to 11 to 21 mph. Winds could gust as high as 55 mph.

Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 42. South southwest wind 8 to 10 mph, with gusts as high as 21 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 30. Southwest wind 11 to 18 mph, with gusts as high as 33 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. Mostly cloudy, with a high near 47. West northwest wind 15 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. 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 18. West northwest wind 6 to 10 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.

10% chance of snow Saturday Saturday... A 10 percent chance of snow before 11am. Mostly sunny, with a high near 37. West wind 6 to 14 mph, with gusts as high as 24 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 21. Southwest wind around 10 mph, with gusts as high as 21 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 40.

10% chance of rain & snow Sunday Night Sunday Night... A slight chance of snow before 11pm, then 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 42.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 22.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 42.

Current Radar Image


Sun Almanac for West Lewistown, Montana
Sunrise: 07:59 AM
Sunset: 4:29 PM
Civil Sunrise:07:24 AM
Civil Sunset: 5:05 PM
Nautical Sunrise: 06:45 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 06:07 AM
Astro Sunset: 6:21 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.