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Harrison, Montana Weather Forecast
Harrison, Montana Weather
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Weather Forecast for Harrison, Montana : Madison County
Issued: 4:03 am MST Dec 17, 2025 Latitude: 45.7007613 Longitude: -111.7863688 View on Google Maps

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Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
80% chance of rain & snow on Today Dust on Tonight 30% chance of snow on Thursday 70% chance of rain & snow on Friday 20% chance of snow on Saturday Mostly Sunny on Sunday 20% chance of rain & snow on Monday Partly Sunny on Tuesday
High: 48 °F Low: 24°F High: 42°F High: 50°F High: 38°F High: 40°F High: 48°F High: 44°F
Low: 34°F Low: 24°F Low: 20°F Low: 29°F Low: 28°F  
Rain & Snow Dust Snow Rain & Snow Snow Mostly Sunny Rain & Snow Partly Sunny
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Current Conditions at
BOZEMAN - (KBZN)
50°
Clear
as of 6:56 AM MST
Rel. Humidity: 53%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.33 in.
Flight Rule: VFR
Wind Data
8 MPH
190° South
Cloud Level(s): Clear
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
DILLON - (KDLN)
46°
Feels like 40°F
Mostly Cloudy
as of 6:53 AM MST
Rel. Humidity: 52%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.39 in.
Flight Rule: VFR
Wind Data
15 MPH
200° South
Cloud Level(s): Scattered at 5500ft, Broken at 7500ft, Broken at 9500ft
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
80% chance of rain & snow Today Today... Rain and snow before 11am, then a slight chance of snow between 11am and noon. Patchy blowing dust after 8am. Temperature rising to near 48 by 10am, then falling to around 33 during the remainder of the day. Windy, with a west wind 25 to 30 mph increasing to 33 to 38 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Dust on Tonight Tonight... Patchy blowing dust before 8pm. Increasing clouds, with a low around 24. Windy, with a west wind 21 to 31 mph becoming south 11 to 21 mph after midnight. Winds could gust as high as 50 mph.

30% chance of snow Thursday Thursday... A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 42. South wind 9 to 17 mph, with gusts as high as 25 mph. Little or no snow accumulation expected.

50% chance of rain & snow Thursday Night Thursday Night... A chance of rain and snow before 11pm, then a chance of rain. Mostly cloudy, with a low around 34. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

70% chance of rain & snow Friday Friday... Rain likely before 8am, then rain and snow likely. Mostly cloudy, with a high near 50. Southwest wind 18 to 21 mph, with gusts as high as 37 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 southwest wind 11 to 16 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

20% chance of snow Saturday Saturday... A 20 percent chance of snow before 11am. Mostly sunny, with a high near 38. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 20. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 40.

10% chance of rain & snow Sunday Night Sunday Night... A slight chance of rain and snow. Mostly cloudy, with a low around 29.

20% chance of rain & snow Monday Monday... A chance of rain and snow. Mostly cloudy, with a high near 48.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 28.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 44.

Current Radar Image


Sun Almanac for Harrison, Montana
Sunrise: 08:03 AM
Sunset: 4:44 PM
Civil Sunrise:07:29 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 06:51 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 06:15 AM
Astro Sunset: 6:32 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.