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Iris, Montana Weather Forecast
Iris, Montana Weather
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Weather Forecast for Iris, Montana : Missoula County
Issued: 1:01 am MST Dec 17, 2025 Latitude: 46.725483 Longitude: -113.6373144 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
50% chance of rain & snow on Today 30% chance of rain & snow on Tonight 50% chance of rain & snow on Thursday 50% chance of rain & snow on Friday 50% chance of rain & snow on Saturday 20% chance of rain & snow on Sunday 20% chance of rain & snow on Monday 20% chance of rain & snow on Tuesday
High: 30 °F Low: 27°F High: 40°F High: 40°F High: 33°F High: 36°F High: 39°F High: 37°F
Low: 34°F Low: 24°F Low: 23°F Low: 26°F Low: 24°F  
Rain & Snow Rain & Snow Rain & Snow Rain & Snow Rain & Snow Rain & Snow Rain & Snow Rain & Snow
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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
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
50% chance of rain & snow Today Today... A chance of rain and snow. Cloudy through mid morning, then becoming mostly sunny, with a temperature falling to around 30 by 5pm. Breezy, with a west wind 15 to 20 mph increasing to 24 to 29 mph in the morning. Winds could gust as high as 60 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.

30% chance of rain & snow Tonight Tonight... A chance of rain and snow. Mostly cloudy, with a low around 27. West wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

50% chance of rain & snow Thursday Thursday... A chance of rain and snow. Mostly cloudy, with a high near 40. South wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

50% chance of rain & snow Thursday Night Thursday Night... A chance of rain and snow. Snow level 4700 feet rising to 5900 feet. Cloudy, with a low around 34. Southwest wind 6 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

50% chance of rain & snow Friday Friday... A chance of rain and snow. Cloudy, with a high near 40. West wind 8 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

50% chance of rain & snow Friday Night Friday Night... A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

50% chance of rain & snow Saturday Saturday... A chance of rain and snow. Partly sunny, with a high near 33. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

20% chance of rain & snow Saturday Night Saturday Night... A chance of rain and snow. Mostly cloudy, with a low around 23.

20% chance of rain & snow Sunday Sunday... A chance of rain and snow. Partly sunny, with a high near 36.

20% chance of rain & snow Sunday Night Sunday Night... A chance of rain and snow. Snow level 4700 feet. Mostly cloudy, with a low around 26.

20% chance of rain & snow Monday Monday... A chance of rain and snow. Snow level 5500 feet lowering to 4700 feet. Mostly cloudy, with a high near 39.

20% chance of rain & snow Monday Night Monday Night... A chance of rain and snow. Mostly cloudy, with a low around 24.

20% chance of rain & snow Tuesday Tuesday... A chance of rain and snow. Partly sunny, with a high near 37.

Sun Almanac for Iris, Montana
Sunrise: 08:14 AM
Sunset: 4:48 PM
Civil Sunrise:07:39 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 07:01 AM
Nautical Sunset: 6:01 PM
Astro Sunrise: 06:24 AM
Astro Sunset: 6:38 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.