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Cooper, Montana Weather Forecast
Cooper, Montana Weather
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Weather Forecast for Cooper, Montana : Cascade County
Issued: 9:27 pm MST Dec 16, 2025 Latitude: 47.5221851 Longitude: -111.1369167 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
10% chance of rain on Overnight 50% chance of rain on Wednesday Mostly Cloudy 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: 43°F High: 37 °F High: 47°F High: 49°F High: 41°F High: 41°F High: 44°F High: 42°F
Low: 25°F Low: 36°F Low: 21°F Low: 24°F Low: 25°F Low: 27°F  
Rain Rain Mostly Cloudy 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
HELENA - (KHLN)
48°
Clear
as of 1:53 AM MST
Rel. Humidity: 34%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.56 in.
Flight Rule: VFR
Wind Data
8 MPH
160° South
Cloud Level(s): Clear
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
10% chance of rain Overnight Overnight... A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 43. Windy, with a south southwest wind 26 to 31 mph, with gusts as high as 46 mph.

50% chance of rain Wednesday Wednesday... A 50 percent chance of rain, mainly between 7am and 10am. Patchy blowing dust. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 37 by 5pm. Very windy, with a west wind 38 to 43 mph increasing to 45 to 50 mph in the morning. Winds could gust as high as 65 mph.

Dust on Wednesday Night Wednesday Night... Patchy blowing dust before 8pm. Partly cloudy, with a low around 25. Windy, with a west wind 28 to 33 mph decreasing to 21 to 26 mph after midnight. Winds could gust as high as 50 mph.

Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 47. Southwest wind 14 to 20 mph, with gusts as high as 28 mph.

30% chance of rain Thursday Night Thursday Night... A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 36. Windy, with a southwest wind 14 to 19 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph.

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 22 to 30 mph, with gusts as high as 43 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 21. West wind around 14 mph, with gusts as high as 23 mph. Little or no snow accumulation expected.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 41. West southwest wind 14 to 20 mph, with gusts as high as 28 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 24.

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 25.

10% chance of rain & snow Monday Monday... A slight chance of rain and snow. Partly sunny, with a high near 44.

10% chance of rain & snow Monday Night Monday Night... A slight chance of rain and snow. Mostly cloudy, with a low around 27.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 42.

Current Radar Image


Sun Almanac for Cooper, Montana
Sunrise: 08:08 AM
Sunset: 4:34 PM
Civil Sunrise:07:32 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:52 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 06:15 AM
Astro Sunset: 6:27 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.