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Square Butte, Montana Weather Forecast
Square Butte, Montana Weather
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Click for High Wind Warning for Square Butte, Montana
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Weather Forecast for Square Butte, Montana : Chouteau County
Issued: 2:47 am MST Dec 17, 2025 Latitude: 47.5149739 Longitude: -110.1982577 View on Google Maps

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Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
30% chance of rain on Overnight 60% chance of rain & snow on Wednesday Increasing Clouds on Thursday 30% 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: 46°F High: 52 °F High: 44°F High: 51°F High: 40°F High: 41°F High: 40°F High: 41°F
Low: 21°F Low: 33°F Low: 21°F Low: 25°F Low: 27°F Low: 23°F  
Rain Rain & Snow Increasing Clouds Rain & Snow Mostly Sunny Mostly Sunny Rain & Snow Partly Sunny
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Current Conditions at
LEWISTOWN - (KLWT)
48°
Feels like 40°F
Clear
as of 2:54 AM MST
Rel. Humidity: 34%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.51 in.
Flight Rule: VFR
Wind Data
23 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
GREAT FALLS - (KGTF)
50°
Feels like 43°F
Clear
as of 2:53 AM MST
Rel. Humidity: 37%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.39 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 29 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
HAVRE - (KHVR)
46°
Feels like 41°F
Clear
as of 2:53 AM MST
Rel. Humidity: 61%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.39 in.
Flight Rule: VFR
Wind Data
12 MPH
200° South
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 46. South wind around 15 mph, with gusts as high as 22 mph.
60% chance of rain & snow Wednesday Wednesday... Rain likely before 11am, then a slight chance of snow after 4pm. Patchy blowing dust after 9am. Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 52 by 10am, then falling to around 36 during the remainder of the day. Very windy, with a west wind 24 to 34 mph increasing to 37 to 47 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Dust on Wednesday Night Wednesday Night... Patchy blowing dust before 9pm. Partly cloudy, with a low around 21. Windy, with a west northwest wind 30 to 40 mph decreasing to 16 to 26 mph. Winds could gust as high as 55 mph.
Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 44. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.
20% chance of rain & snow Thursday Night Thursday Night... A slight chance of rain and snow before 11pm, then a slight chance of rain. Mostly cloudy, with a low around 33. Breezy, with a south southeast wind 10 to 15 mph becoming west southwest 21 to 26 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
30% 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 51. Breezy, with a west northwest wind 20 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
30% chance of snow Friday Night Friday Night... A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 21. West wind around 11 mph, with gusts as high as 18 mph. Little or no snow accumulation expected.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 40. West wind 11 to 18 mph, with gusts as high as 25 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 25.
Mostly Sunny on Sunday Sunday... Mostly 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 27.
10% chance of rain & snow Monday Monday... A slight chance of rain and snow. Partly sunny, with a high near 40.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 23.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 41.
Current Radar Image


Sun Almanac for Square Butte, Montana
Sunrise: 08:04 AM
Sunset: 4:31 PM
Civil Sunrise:07:28 AM
Civil Sunset: 5:07 PM
Nautical Sunrise: 06:49 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 06:11 AM
Astro Sunset: 6:23 PM
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