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Colony Bay, Montana Weather Forecast
Colony Bay, Montana Weather
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Weather Forecast for Colony Bay, Montana : Chouteau County
Issued: 9:27 pm MST Dec 16, 2025 Latitude: 48.0305273 Longitude: -110.6124399 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
30% chance of rain on Overnight 30% chance of rain & snow on Wednesday Increasing Clouds on Thursday 20% chance of rain & snow on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday 10% chance of rain & snow on Monday Partly Sunny on Tuesday
Low: 42°F High: 46 °F High: 42°F High: 46°F High: 37°F High: 34°F High: 36°F High: 33°F
Low: 18°F Low: 30°F Low: 16°F Low: 17°F Low: 18°F Low: 17°F  
Rain Rain & Snow Increasing Clouds Rain & Snow Mostly Sunny Mostly Sunny Rain & Snow Partly Sunny
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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
HAVRE - (KHVR)
45°
Feels like 38°F
Mostly Clear
as of 1:53 AM MST
Rel. Humidity: 65%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.45 in.
Flight Rule: VFR
Wind Data
14 MPH
210° Southwest
Cloud Level(s): Few at 11000ft
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
30% chance of rain Overnight Overnight... A 30 percent chance of rain after 5am. Mostly cloudy, with a steady temperature around 42. South wind around 16 mph, with gusts as high as 26 mph.
30% chance of rain & snow Wednesday Wednesday... A chance of rain before 10am, then a slight chance of snow after 3pm. Patchy blowing dust after 10am. Mostly cloudy through mid morning, then becoming sunny, with a temperature rising to near 46 by 10am, then falling to around 34 during the remainder of the day. Windy, with a south southwest wind 24 to 29 mph becoming west 38 to 43 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 18. Windy, with a northwest wind 21 to 31 mph decreasing to 11 to 21 mph after midnight. Winds could gust as high as 47 mph.
Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 42. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
20% chance of rain Thursday Night Thursday Night... A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 30. South southeast wind 10 to 15 mph becoming southwest 16 to 21 mph after midnight. Winds could gust as high as 31 mph.
20% chance of rain & snow Friday Friday... A slight chance of rain and snow before 8am, then a slight chance of snow. Mostly sunny, with a high near 46. West wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
30% chance of snow Friday Night Friday Night... A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 16. Northwest wind 8 to 11 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 37. West southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 17.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 34.
10% chance of snow Sunday Night Sunday Night... A slight chance of snow. Mostly cloudy, with a low around 18.
10% chance of rain & snow Monday Monday... A slight chance of rain and snow. Partly sunny, with a high near 36.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 17.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 33.
Current Radar Image


Sun Almanac for Colony Bay, Montana
Sunrise: 08:08 AM
Sunset: 4:30 PM
Civil Sunrise:07:31 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 06:51 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 06:14 AM
Astro Sunset: 6:24 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.