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Sun Prairie, Montana Weather Forecast
Sun Prairie, Montana Weather
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Weather Forecast for Sun Prairie, Montana : Cascade County
Issued: 4:03 am MST Dec 17, 2025 Latitude: 47.5369026 Longitude: -111.4813608 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
20% chance of rain on Today Cloudy on Tonight 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 Mostly Sunny on Tuesday
High: 36 °F Low: 24°F High: 45°F High: 48°F High: 41°F High: 41°F High: 41°F High: 41°F
Low: 35°F Low: 20°F Low: 23°F Low: 24°F Low: 22°F  
Rain Cloudy Partly Sunny Rain & Snow Mostly Sunny Mostly Sunny Rain & Snow Mostly Sunny
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Current Conditions at
GREAT FALLS - (KGTF)
45°
Feels like 36°F
Cloudy
Light Rain
as of 8:32 AM MST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 7 Miles
Pressure: 29.14 in.
Flight Rule: VFR
Wind Data
21 MPH
Gust: 29 MPH
280° West
Cloud Level(s): Broken at 3800ft, Solid Overcast at 4700ft
20% chance of rain Today Today... A 20 percent chance of rain before 10am. Patchy blowing dust. Mostly sunny, with a temperature falling to around 36 by 5pm. Windy, with a west wind 34 to 44 mph, with gusts as high as 60 mph.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 24. Windy, with a west wind 25 to 30 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 46 mph.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 45. South southwest wind 15 to 17 mph, with gusts as high as 25 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 35. Breezy, with a southwest wind 14 to 19 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 44 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 8am, then a chance of snow. Partly sunny, with a high near 48. Breezy, with a west wind 22 to 26 mph, with gusts as high as 41 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 20. West southwest wind 10 to 14 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 41. Breezy, with a west southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 23. Southwest wind 13 to 15 mph, with gusts as high as 25 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 41.

10% chance of snow Sunday Night Sunday Night... A slight chance of snow after 11pm. Mostly cloudy, with a low around 24.

10% chance of rain & snow Monday Monday... A slight chance of rain and snow. Partly sunny, with a high near 41.

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

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 41.

Sun Almanac for Sun Prairie, Montana
Sunrise: 08:09 AM
Sunset: 4:36 PM
Civil Sunrise:07:33 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:54 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 06:16 AM
Astro Sunset: 6:28 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.