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Louisville, Montana Weather Forecast
Louisville, Montana Weather
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Weather Forecast for Louisville, Montana : Jefferson County
Issued: 2:47 am MST Dec 17, 2025 Latitude: 46.5627119 Longitude: -111.7958166 View on Google Maps

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Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
30% chance of rain on Overnight 90% chance of rain & snow on Wednesday 30% chance of snow on Thursday 70% chance of rain & snow on Friday 10% chance of snow on Saturday Mostly Sunny on Sunday 20% chance of rain & snow on Monday 10% chance of rain & snow on Tuesday
Low: 46°F High: 31 °F High: 40°F High: 44°F High: 36°F High: 38°F High: 43°F High: 40°F
Low: 26°F Low: 34°F Low: 24°F Low: 22°F Low: 28°F Low: 25°F  
Rain Rain & Snow Snow Rain & Snow Snow Mostly Sunny Rain & Snow Rain & Snow
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Current Conditions at
HELENA - (KHLN)
54°
Partly Cloudy
as of 2:53 AM MST
Rel. Humidity: 32%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.50 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 22 MPH
240° Southwest
Cloud Level(s): Scattered at 10000ft
Current Conditions at
BUTTE - (KBTM)
43°
Cloudy
as of 2:53 AM MST
Rel. Humidity: 48%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
5 MPH
080° East
Cloud Level(s): Solid Overcast at 5000ft
Current Conditions at
BOZEMAN - (KBZN)
46°
Mostly Cloudy
as of 2:56 AM MST
Rel. Humidity: 36%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Scattered at 8500ft, Broken at 11000ft
Current Conditions at
GREAT FALLS - (KGTF)
50°
Feels like 43°F
Clear
as of 2:53 AM MST
Rel. Humidity: 37%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.39 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 29 MPH
210° Southwest
Cloud Level(s): Clear
30% chance of rain Overnight Overnight... A 30 percent chance of rain. Mostly cloudy, with a steady temperature around 46. South southeast wind around 20 mph, with gusts as high as 32 mph.
90% chance of rain & snow Wednesday Wednesday... Rain and snow before 3pm, then a slight chance of snow between 3pm and 4pm. Patchy blowing dust after 10am. Temperature falling to around 31 by 5pm. Windy, with a south southwest wind 21 to 26 mph becoming west 35 to 40 mph in the morning. Winds could gust as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Dust on Wednesday Night Wednesday Night... Patchy blowing dust before 8pm. Mostly cloudy, with a low around 26. Windy, with a west wind 22 to 32 mph decreasing to 11 to 21 mph after midnight. Winds could gust as high as 47 mph.
30% chance of snow Thursday Thursday... A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 40. South southeast wind 10 to 16 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
70% chance of rain & snow Thursday Night Thursday Night... A chance of rain and snow before 11pm, then rain likely between 11pm and 5am, then rain likely, possibly mixed with snow after 5am. Mostly cloudy, with a low around 34. South wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
70% chance of rain & snow Friday Friday... Rain and snow likely, becoming all snow after 11am. Mostly cloudy, with a high near 44. Southwest wind 14 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
50% chance of snow Friday Night Friday Night... A 50 percent chance of snow. Mostly cloudy, with a low around 24. West wind 10 to 13 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
10% chance of snow Saturday Saturday... A slight chance of snow before 11am. Mostly sunny, with a high near 36. West wind 10 to 16 mph, with gusts as high as 25 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 22.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 38.
20% chance of rain & snow Sunday Night Sunday Night... A chance of rain and snow. Mostly cloudy, with a low around 28.
20% chance of rain & snow Monday Monday... A 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. Mostly cloudy, with a low around 25.
10% chance of rain & snow Tuesday Tuesday... A slight chance of rain and snow. Partly sunny, with a high near 40.
Current Radar Image


Sun Almanac for Louisville, Montana
Sunrise: 08:06 AM
Sunset: 4:41 PM
Civil Sunrise:07:31 AM
Civil Sunset: 5:16 PM
Nautical Sunrise: 06:53 AM
Nautical Sunset: 5:54 PM
Astro Sunrise: 06:16 AM
Astro Sunset: 6:31 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.