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Corvallis, Montana Weather Forecast
Corvallis, Montana Weather
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Weather Forecast for Corvallis, Montana : Ravalli County
Issued: 1:01 am MST Dec 17, 2025 Latitude: 46.3140885 Longitude: -114.1128734 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
20% chance of rain on Today 20% chance of rain on Tonight 20% chance of rain on Thursday 20% chance of rain on Friday 20% chance of rain on Saturday 10% chance of rain on Sunday 10% chance of rain on Monday 10% chance of rain on Tuesday
High: 32 °F Low: 26°F High: 42°F High: 44°F High: 36°F High: 39°F High: 42°F High: 41°F
Low: 36°F Low: 25°F Low: 23°F Low: 27°F Low: 24°F  
Rain Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
MISSOULA - (KMSO)
45°
Cloudy
Rain Mist
as of 7:13 AM MST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 4 Miles
Pressure: 29.25 in.
Flight Rule: MVFR
Wind Data
6 MPH
350° North
Cloud Level(s): Few at 2200ft, Solid Overcast at 3400ft
Current Conditions at
BUTTE - (KBTM)
43°
Feels like 32°F
Mostly Cloudy
as of 6:53 AM MST
Rel. Humidity: 70%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.33 in.
Flight Rule: VFR
Wind Data
26 MPH
Gust: 41 MPH
190° South
Cloud Level(s): Scattered at 6000ft, Broken at 10000ft
Current Conditions at
SALMON - (KSMN)
46°
Feels like 41°F
Cloudy
Light Rain
as of 6:56 AM MST
Rel. Humidity: 75%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 29.42 in.
Flight Rule: VFR
Wind Data
10 MPH
210° Southwest
Cloud Level(s): Few at 3500ft, Broken at 4500ft, Solid Overcast at 6000ft
20% chance of rain Today Today... A 20 percent chance of rain. Partly sunny, with a temperature falling to around 32 by 5pm. Breezy, with a west southwest wind 22 to 26 mph, with gusts as high as 44 mph.

20% chance of rain Tonight Tonight... A 20 percent chance of rain. Mostly cloudy, with a low around 26. Breezy, with a west southwest wind 18 to 23 mph becoming south 6 to 11 mph in the evening. Winds could gust as high as 32 mph.

20% chance of rain Thursday Thursday... A 20 percent chance of rain. Cloudy, with a high near 42. South wind 6 to 10 mph, with gusts as high as 21 mph.

20% chance of rain Thursday Night Thursday Night... A 20 percent chance of rain. Cloudy, with a low around 36. South southwest wind 14 to 17 mph, with gusts as high as 33 mph.

20% chance of rain Friday Friday... A 20 percent chance of rain. Cloudy, with a high near 44. West wind 8 to 14 mph, with gusts as high as 28 mph.

20% chance of rain Friday Night Friday Night... A 20 percent chance of rain. Mostly cloudy, with a low around 25.

20% chance of rain Saturday Saturday... A 20 percent chance of rain. Partly sunny, with a high near 36.

10% chance of rain Saturday Night Saturday Night... A slight chance of rain. Mostly cloudy, with a low around 23.

10% chance of rain Sunday Sunday... A slight chance of rain. Partly sunny, with a high near 39.

10% chance of rain Sunday Night Sunday Night... A slight chance of rain. Mostly cloudy, with a low around 27.

10% chance of rain Monday Monday... A slight chance of rain. Mostly cloudy, with a high near 42.

10% chance of rain Monday Night Monday Night... A slight chance of rain. Mostly cloudy, with a low around 24.

10% chance of rain Tuesday Tuesday... A slight chance of rain. Partly sunny, with a high near 41.

Current Radar Image


Sun Almanac for Corvallis, Montana
Sunrise: 08:15 AM
Sunset: 4:51 PM
Civil Sunrise:07:40 AM
Civil Sunset: 5:26 PM
Nautical Sunrise: 07:01 AM
Nautical Sunset: 6:04 PM
Astro Sunrise: 06:25 AM
Astro Sunset: 6:41 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.