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Johnson, Montana Weather Forecast
Johnson, Montana Weather
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Weather Forecast for Johnson, Montana : Silver Bow County
Issued: 1:01 am MST Dec 17, 2025 Latitude: 45.7963149 Longitude: -112.6861375 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
20% chance of snow on Today Mostly Cloudy on Tonight 50% chance of snow on Thursday 90% chance of blowing snow on Friday 20% chance of snow on Saturday Mostly Sunny on Sunday 20% chance of rain & snow on Monday 10% chance of snow on Tuesday
High: 26 °F Low: 21°F High: 36°F High: 43°F High: 31°F High: 35°F High: 40°F High: 39°F
Low: 31°F Low: 20°F Low: 17°F Low: 25°F Low: 24°F  
Snow Mostly Cloudy Snow Blowing Snow Snow Mostly Sunny Rain & Snow 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
Current Conditions at
BOZEMAN - (KBZN)
43°
Feels like 33°F
Cloudy
Light Rain
as of 10:26 AM MST
Rel. Humidity: 81%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.36 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 39 MPH
270° West
Cloud Level(s): Solid Overcast at 3400ft
20% chance of snow Today Today... A 20 percent chance of snow after 1pm. Mostly sunny, with a temperature falling to around 26 by 5pm. Windy, with a west wind 36 to 39 mph, with gusts as high as 55 mph.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 21. Windy, with a west wind 24 to 34 mph becoming south southwest 11 to 21 mph. Winds could gust as high as 48 mph.

50% chance of snow Thursday Thursday... A 50 percent chance of snow after 11am. Mostly cloudy, with a high near 36. South wind 10 to 15 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.

80% chance of rain & snow Thursday Night Thursday Night... Snow before 8pm, then rain and snow between 8pm and 2am, then rain after 2am. Snow level rising to 6600 feet after midnight. Low around 31. Southwest wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

90% chance of blowing snow Friday Friday... Rain and snow, becoming all snow after 2pm. Patchy blowing snow between 8am and 11am. Snow level 6200 feet lowering to 5800 feet in the afternoon . High near 43. Southwest wind 17 to 21 mph, with gusts as high as 32 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, mainly before 11pm. Mostly cloudy, with a low around 20. Chance of precipitation is 70%. 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 31.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 17.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 35.

20% chance of rain & snow Sunday Night Sunday Night... A slight chance of snow before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 25.

20% chance of rain & snow Monday Monday... A chance of rain and snow. Snow level 5900 feet rising to 6600 feet in the afternoon. Mostly cloudy, with a high near 40.

10% chance of snow Monday Night Monday Night... A slight chance of snow. Mostly cloudy, with a low around 24.

10% chance of snow Tuesday Tuesday... A slight chance of snow. Partly sunny, with a high near 39.

Current Radar Image


Sun Almanac for Johnson, Montana
Sunrise: 08:07 AM
Sunset: 4:47 PM
Civil Sunrise:07:32 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 06:55 AM
Nautical Sunset: 6:00 PM
Astro Sunrise: 06:18 AM
Astro Sunset: 6:36 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.