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Round Butte, Montana Weather Forecast
Round Butte, Montana Weather
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Weather Forecast for Round Butte, Montana : Lake County
Issued: 7:33 pm MST Dec 16, 2025 Latitude: 47.5296566 Longitude: -114.2626223 View on Google Maps

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Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
90% chance of rain on Tonight 80% chance of rain on Wednesday 80% chance of rain on Thursday 80% chance of rain & snow on Friday 20% chance of snow on Saturday 10% chance of snow on Sunday 20% chance of rain on Monday 20% chance of rain on Tuesday
Low: 36°F High: 35 °F High: 42°F High: 42°F High: 38°F High: 37°F High: 41°F High: 39°F
Low: 29°F Low: 33°F Low: 28°F Low: 25°F Low: 28°F Low: 28°F  
Rain Rain Rain Rain & Snow Snow Snow Rain Rain
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Current Conditions at
MISSOULA - (KMSO)
48°
Feels like 44°F
Mostly Clear
as of 9:53 PM MST
Rel. Humidity: 57%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: VFR
Wind Data
9 MPH
250° West
Cloud Level(s): Few at 7500ft
Current Conditions at
KALISPELL - (KGPI)
45°
Feels like 39°F
Cloudy
as of 9:55 PM MST
Rel. Humidity: 75%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.66 in.
Flight Rule: VFR
Wind Data
10 MPH
190° South
Cloud Level(s): Few at 3800ft, Solid Overcast at 4800ft
Current Conditions at
MULLAN PASS - (KMLP)
32°
Mostly Cloudy
as of 8:53 PM PST
Rel. Humidity: 92%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.68 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 800ft, Few at 6500ft, Broken at 8000ft
Current Conditions at
ELK CITY - (KP69)
45°
Cloudy
as of 8:52 PM PST
Rel. Humidity: 100%
Dew Point: 45°F
Pressure: 29.79 in.
Wind Data
Calm
90% chance of rain Tonight Tonight... Rain. Low around 36. Southeast wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
80% chance of rain Wednesday Wednesday... Rain. Temperature falling to around 35 by 5pm. Breezy, with a south wind 13 to 18 mph becoming west 21 to 26 mph in the morning. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
80% chance of rain Wednesday Night Wednesday Night... Rain. Low around 29. West wind 16 to 21 mph becoming south 7 to 12 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%.
80% chance of rain Thursday Thursday... Rain. High near 42. South wind 6 to 8 mph. Chance of precipitation is 80%.
100% chance of rain Thursday Night Thursday Night... Rain. Low around 33. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
80% chance of rain & snow Friday Friday... Rain and snow, becoming all snow after 8am. High near 42. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
30% chance of snow Friday Night Friday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 28. New snow accumulation of less than a half inch possible.
20% chance of snow Saturday Saturday... A chance of snow. Partly sunny, with a high near 38.
10% chance of snow Saturday Night Saturday Night... A slight chance of snow before 11pm. Mostly cloudy, with a low around 25.
10% chance of snow Sunday Sunday... A slight chance of snow after 11am. Partly sunny, with a high near 37.
Rain and Snow on Sunday Night Sunday Night... Rain and snow likely. Mostly cloudy, with a low around 28.
20% chance of rain Monday Monday... A chance of rain. Mostly cloudy, with a high near 41.
10% chance of rain Monday Night Monday Night... A slight chance of rain. Mostly cloudy, with a low around 28.
20% chance of rain Tuesday Tuesday... A chance of rain. Mostly cloudy, with a high near 39.
Current Radar Image


Sun Almanac for Round Butte, Montana
Sunrise: 08:20 AM
Sunset: 4:47 PM
Civil Sunrise:07:44 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 07:05 AM
Nautical Sunset: 6:02 PM
Astro Sunrise: 06:27 AM
Astro Sunset: 6:39 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.