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Calvert, Montana Weather Forecast
Calvert, Montana Weather
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Weather Forecast for Calvert, Montana : Cascade County
Issued: 4:03 am MST Dec 17, 2025 Latitude: 47.165235 Longitude: -111.1343985 View on Google Maps

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Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
70% chance of rain & snow on Today Dust on Tonight 20% chance of snow on Thursday 60% chance of snow on Friday 10% chance of snow on Saturday Mostly Sunny on Sunday 20% chance of snow on Monday 10% chance of rain & snow on Tuesday
High: 29 °F Low: 25°F High: 41°F High: 43°F High: 33°F High: 36°F High: 39°F High: 38°F
Low: 34°F Low: 24°F Low: 25°F Low: 30°F Low: 27°F  
Rain & Snow Dust Snow Snow Snow Mostly Sunny Snow Rain & Snow
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Current Conditions at
GREAT FALLS - (KGTF)
52°
Clear
as of 6:53 AM MST
Rel. Humidity: 43%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.12 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 24 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
HELENA - (KHLN)
50°
Feels like 42°F
Mostly Cloudy
as of 6:53 AM MST
Rel. Humidity: 53%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.21 in.
Flight Rule: VFR
Wind Data
26 MPH
Gust: 43 MPH
190° South
Cloud Level(s): Scattered at 6500ft, Broken at 9000ft
Current Conditions at
LEWISTOWN - (KLWT)
50°
Feels like 43°F
Mostly Clear
as of 6:54 AM MST
Rel. Humidity: 39%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.23 in.
Flight Rule: VFR
Wind Data
21 MPH
Gust: 32 MPH
220° Southwest
Cloud Level(s): Few at 12000ft
70% chance of rain & snow Today Today... Rain and snow likely before 11am, then a slight chance of snow after 3pm. Patchy blowing dust. Partly sunny, with a temperature falling to around 29 by 4pm. Windy, with a west wind 37 to 41 mph, with gusts as high as 60 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Dust on Tonight Tonight... Patchy blowing dust before 9pm. Partly cloudy, with a low around 25. Windy, with a west wind 32 to 37 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 50 mph.

20% chance of snow Thursday Thursday... A 20 percent chance of snow after 11am. Partly sunny, with a high near 41. South southwest wind 17 to 20 mph, with gusts as high as 29 mph.

50% chance of rain & snow Thursday Night Thursday Night... A chance of snow before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 34. Windy, with a south southwest wind 20 to 25 mph increasing to 32 to 37 mph after midnight. Winds could gust as high as 49 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

60% chance of snow Friday Friday... Snow likely, mainly before 11am. Mostly cloudy, with a high near 43. Windy, with a west wind 32 to 37 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

40% chance of snow Friday Night Friday Night... A 40 percent chance of snow. Partly cloudy, with a low around 24. West southwest wind around 17 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

10% chance of snow Saturday Saturday... A 10 percent chance of snow before 11am. Mostly sunny, with a high near 33. Breezy, with a west southwest wind 20 to 22 mph, with gusts as high as 32 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 25. South southwest wind 17 to 20 mph, with gusts as high as 30 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 36.

20% chance of snow Sunday Night Sunday Night... A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 30.

20% chance of snow Monday Monday... A chance of snow. Partly sunny, with a high near 39.

10% chance of snow Monday Night Monday Night... A slight chance of snow. Partly cloudy, with a low around 27.

10% chance of rain & snow Tuesday Tuesday... A slight chance of rain and snow. Partly sunny, with a high near 38.

Current Radar Image


Sun Almanac for Calvert, Montana
Sunrise: 08:06 AM
Sunset: 4:36 PM
Civil Sunrise:07:30 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:52 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 06:14 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.