url:
Castner Falls, Montana Weather Forecast
Castner Falls, Montana Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

Click for High Wind Warning for Castner Falls, Montana
Change location by the zip code or city,state: or search for other weather forecast locations in Montana by name.
Weather Forecast for Castner Falls, Montana : Cascade County
Issued: 4:03 am MST Dec 17, 2025 Latitude: 47.30662 Longitude: -111.4955248 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
20% chance of rain on Overnight 60% chance of rain & snow on Wednesday Mostly Cloudy on Thursday 50% 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: 36 °F High: 47°F High: 48°F High: 40°F High: 42°F High: 43°F High: 42°F
Low: 26°F Low: 36°F Low: 23°F Low: 25°F Low: 27°F Low: 24°F  
Rain Rain & Snow Mostly Cloudy Rain & Snow Mostly Sunny Mostly Sunny Rain & Snow Partly Sunny
-
Current Conditions at
GREAT FALLS - (KGTF)
52°
Clear
as of 4:53 AM MST
Rel. Humidity: 40%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.22 in.
Flight Rule: VFR
Wind Data
32 MPH
Gust: 44 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
HELENA - (KHLN)
54°
Mostly Cloudy
as of 4:53 AM MST
Rel. Humidity: 37%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.38 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 36 MPH
210° Southwest
Cloud Level(s): Scattered at 8500ft, Broken at 11000ft
Current Conditions at
LEWISTOWN - (KLWT)
50°
Feels like 42°F
Clear
as of 4:54 AM MST
Rel. Humidity: 31%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.37 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 33 MPH
210° Southwest
Cloud Level(s): Clear
20% chance of rain Overnight Overnight... A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 52. Breezy, with a south southwest wind around 28 mph, with gusts as high as 40 mph.
60% chance of rain & snow Wednesday Wednesday... Rain likely, possibly mixing with snow after 10am, then gradually ending. Patchy blowing dust after 7am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 36 by 5pm. Very windy, with a west wind 30 to 35 mph increasing to 42 to 47 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 26. Windy, with a west wind 26 to 31 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 46 mph.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 47. South southwest wind 15 to 18 mph, with gusts as high as 28 mph.
40% chance of rain & snow Thursday Night Thursday Night... A chance of rain and snow before 11pm, then a chance of rain between 11pm and 5am, then a chance of rain and snow after 5am. Mostly cloudy, with a low around 36. Breezy, with a southwest wind 16 to 21 mph increasing to 24 to 29 mph in the evening. Winds could gust as high as 43 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
50% 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 48. Breezy, with a west wind 23 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 50%. 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 11 to 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 13 to 23 mph, with gusts as high as 33 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 25.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 42.
20% chance of rain & snow Sunday Night Sunday Night... A 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 43.
10% chance of rain & snow Monday Night Monday Night... A slight chance of rain and snow. Partly cloudy, with a low around 24.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 42.
Current Radar Image


Sun Almanac for Castner Falls, Montana
Sunrise: 08:08 AM
Sunset: 4:37 PM
Civil Sunrise:07:32 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:53 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 06:16 AM
Astro Sunset: 6:29 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.