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Sand Coulee, Montana Weather Forecast
Sand Coulee, Montana Weather
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Click for High Wind Warning for Sand Coulee, Montana
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Weather Forecast for Sand Coulee, Montana : Cascade County
Issued: 2:47 am MST Dec 17, 2025 Latitude: 47.3994042 Longitude: -111.1677448 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
10% chance of rain on Overnight 60% chance of rain on Wednesday Partly Sunny on Thursday 40% 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: 52°F High: 35 °F High: 47°F High: 49°F High: 40°F High: 41°F High: 43°F High: 42°F
Low: 26°F Low: 37°F Low: 23°F Low: 26°F Low: 28°F Low: 26°F  
Rain Rain Partly Sunny Rain & Snow Mostly Sunny Mostly Sunny Rain & Snow Partly Sunny
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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
HELENA - (KHLN)
54°
Partly Cloudy
as of 2:53 AM MST
Rel. Humidity: 32%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.50 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 22 MPH
240° Southwest
Cloud Level(s): Scattered at 10000ft
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
10% chance of rain Overnight Overnight... A 10 percent chance of rain after 5am. Mostly cloudy, with a steady temperature around 52. Breezy, with a south southwest wind around 29 mph, with gusts as high as 41 mph.
60% chance of rain Wednesday Wednesday... Rain likely, mainly before 10am. Patchy blowing dust. Mostly cloudy through mid morning, then becoming sunny, with a temperature falling to around 35 by 5pm. Very windy, with a west wind 33 to 38 mph increasing to 41 to 46 mph in the morning. Winds could gust as high as 60 mph. Chance of precipitation is 60%.
Dust on Wednesday Night Wednesday Night... Patchy blowing dust before 8pm. Partly cloudy, with a low around 26. Windy, with a west wind 31 to 36 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 50 mph.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 47. South southwest wind 16 to 18 mph, with gusts as high as 28 mph.
30% chance of rain & snow Thursday Night Thursday Night... A slight chance of rain and snow before 11pm, then a chance of rain. Mostly cloudy, with a low around 37. Windy, with a southwest wind 14 to 24 mph increasing to 24 to 34 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
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 49. Windy, with a west wind 29 to 34 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 40%. 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 23. West southwest wind around 14 mph, with gusts as high as 22 mph. Little or no snow accumulation expected.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 40. Breezy, with a west southwest wind 15 to 22 mph, with gusts as high as 32 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 26.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 41.
20% chance of rain & snow Sunday Night Sunday Night... A chance of rain and snow. Mostly cloudy, with a low around 28.
10% chance of rain & snow Monday Monday... A slight chance of rain and snow. Partly sunny, with a high near 43.
10% chance of rain & snow Monday Night Monday Night... A slight chance of rain and snow. Partly cloudy, with a low around 26.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 42.
Current Radar Image


Sun Almanac for Sand Coulee, Montana
Sunrise: 08:07 AM
Sunset: 4:35 PM
Civil Sunrise:07:31 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:52 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 06:15 AM
Astro Sunset: 6:27 PM
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