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Boneau, Montana Weather Forecast
Boneau, Montana Weather
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Weather Forecast for Boneau, Montana : Chouteau County
Issued: 8:27 pm MST Dec 16, 2025 Latitude: 48.2905436 Longitude: -109.8613151 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
30% chance of rain on Tonight 60% chance of rain & snow on Wednesday Increasing Clouds on Thursday 20% chance of rain & snow on Friday 10% chance of snow on Saturday Mostly Sunny on Sunday 10% chance of snow on Monday Partly Sunny on Tuesday
Low: 39°F High: 31 °F High: 40°F High: 43°F High: 33°F High: 33°F High: 36°F High: 36°F
Low: 14°F Low: 28°F Low: 14°F Low: 19°F Low: 20°F Low: 19°F  
Rain Rain & Snow Increasing Clouds Rain & Snow Snow Mostly Sunny Snow Partly Sunny
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Current Conditions at
HAVRE - (KHVR)
41°
Feels like 34°F
Cloudy
as of 7:53 PM MST
Rel. Humidity: 65%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.70 in.
Flight Rule: VFR
Wind Data
10 MPH
270° West
Cloud Level(s): Solid Overcast at 9000ft
Current Conditions at
LEWISTOWN - (KLWT)
45°
Feels like 38°F
Cloudy
as of 7:54 PM MST
Rel. Humidity: 52%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: VFR
Wind Data
13 MPH
230° Southwest
Cloud Level(s): Solid Overcast at 8000ft
Current Conditions at
GREAT FALLS - (KGTF)
48°
Feels like 40°F
Clear
as of 7:53 PM MST
Rel. Humidity: 49%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.72 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 38 MPH
240° Southwest
Cloud Level(s): Clear
30% chance of rain Tonight Tonight... A 30 percent chance of rain after 5am. Mostly cloudy, with a low around 39. Breezy, with a south wind 16 to 22 mph, with gusts as high as 31 mph.

60% chance of rain & snow Wednesday Wednesday... Rain and snow likely before noon, then a chance of snow after 1pm. Patchy blowing dust after 10am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 31 by 5pm. Windy, with a south southwest wind 29 to 34 mph becoming west southwest 35 to 40 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

20% chance of snow Wednesday Night Wednesday Night... A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 14. Windy, with a northwest wind 26 to 31 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 50 mph.

Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 40. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

30% chance of rain & snow Thursday Night Thursday Night... A chance of snow before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 28. South southeast wind 10 to 15 mph becoming southwest 16 to 21 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

20% chance of rain & snow Friday Friday... A slight chance of rain and snow before 8am, then a slight chance of snow. Partly sunny, with a high near 43. Breezy, with a west northwest wind 15 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

30% chance of snow Friday Night Friday Night... A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 14. West northwest wind 8 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 slight chance of snow before 11am. Mostly sunny, with a high near 33. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 19.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 33.

10% chance of snow Sunday Night Sunday Night... A slight chance of snow. Mostly cloudy, with a low around 20.

10% chance of snow Monday Monday... A slight chance of snow. Partly sunny, with a high near 36.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 19.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 36.

Current Radar Image


Sun Almanac for Boneau, Montana
Sunrise: 08:05 AM
Sunset: 4:26 PM
Civil Sunrise:07:28 AM
Civil Sunset: 5:02 PM
Nautical Sunrise: 06:48 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 06:10 AM
Astro Sunset: 6:20 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.