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West Riverside, Montana Weather Forecast
West Riverside, Montana Weather
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Click for High Wind Warning for West Riverside, Montana
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Weather Forecast for West Riverside, Montana : Missoula County
Issued: 1:01 am MST Dec 17, 2025 Latitude: 46.8771476 Longitude: -113.8898267 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
60% chance of blowing snow on Today 20% chance of snow on Tonight 80% chance of rain & snow on Thursday 90% chance of rain & snow on Friday 60% chance of snow on Saturday 20% chance of rain & snow on Sunday 70% chance of rain on Monday 10% chance of snow on Tuesday
High: 46°F Low: 29°F High: 42°F High: 42°F High: 37°F High: 38°F High: 42°F High: 39°F
Low: 35°F Low: 26°F Low: 25°F Low: 28°F Low: 25°F  
Blowing Snow Snow Rain & Snow Rain & Snow Snow Rain & Snow Rain Snow
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Current Conditions at
HELENA - (KHLN)
43°
Feels like 33°F
Cloudy
Light Rain
as of 10:02 AM MST
Rel. Humidity: 75%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.29 in.
Flight Rule: VFR
Wind Data
22 MPH
Gust: 32 MPH
260° West
Cloud Level(s): Broken at 3300ft, Broken at 4900ft, Solid Overcast at 6000ft
60% chance of blowing snow Today Today... Snow likely, mainly before noon. Patchy blowing snow after 4pm. Mostly cloudy, with a high near 46. Breezy, with a west wind around 29 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
20% chance of snow Tonight Tonight... A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 29. Breezy, with a west wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.
80% chance of rain & snow Thursday Thursday... Snow after 11am, mixing with rain after 2pm. High near 42. West wind 5 to 8 mph becoming south in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
100% chance of rain Thursday Night Thursday Night... Rain. Low around 35. South southwest wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
90% chance of rain & snow Friday Friday... Rain before 8am, then rain and snow between 8am and 2pm, then snow after 2pm. Snow level 4600 feet lowering to 3300 feet in the afternoon . High near 42. West wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
70% chance of snow Friday Night Friday Night... Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
60% chance of snow Saturday Saturday... Snow likely, mainly after 11am. Mostly cloudy, with a high near 37. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
20% chance of snow Saturday Night Saturday Night... A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 25.
20% chance of rain & snow Sunday Sunday... A chance of snow before 2pm, then a chance of rain and snow. Partly sunny, with a high near 38.
20% chance of rain & snow Sunday Night Sunday Night... A chance of rain and snow before 11pm, then a chance of rain. Snow level 4400 feet. Mostly cloudy, with a low around 28.
70% chance of rain Monday Monday... Rain likely. Mostly cloudy, with a high near 42.
20% chance of rain & snow Monday Night Monday Night... A chance of rain and snow. Snow level 4900 feet lowering to 3300 feet after midnight . Mostly cloudy, with a low around 25.
10% chance of snow Tuesday Tuesday... A slight chance of snow. Snow level rising to 4400 feet. Partly sunny, with a high near 39.
Sun Almanac for West Riverside, Montana
Sunrise: 08:16 AM
Sunset: 4:48 PM
Civil Sunrise:07:41 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 07:02 AM
Nautical Sunset: 6:02 PM
Astro Sunrise: 06:25 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.