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Mann, Montana Weather Forecast
Mann, Montana Weather
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Weather Forecast for Mann, Montana : Yellowstone County
Issued: 4:09 am MST Dec 17, 2025 Latitude: 45.9707974 Longitude: -108.1137284 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
70% chance of rain on Today Cloudy on Tonight Increasing Clouds on Thursday 80% chance of rain & snow on Friday 20% chance of snow on Saturday Partly Sunny on Sunday 20% chance of rain & snow on Monday Partly Sunny on Tuesday
High: 52 °F Low: 23°F High: 40°F High: 54 °F High: 40°F High: 39°F High: 44°F High: 41°F
Low: 32 °F Low: 24°F Low: 21°F Low: 25°F Low: 26°F  
Rain Cloudy Increasing Clouds Rain & Snow Snow Partly Sunny Rain & Snow Partly Sunny
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Current Conditions at
BILLINGS - (KBIL)
50°
Feels like 44°F
Mostly Cloudy
as of 6:53 AM MST
Rel. Humidity: 46%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.35 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 26 MPH
230° Southwest
Cloud Level(s): Few at 9000ft, Broken at 20000ft
Current Conditions at
LEWISTOWN - (KLWT)
50°
Feels like 43°F
Mostly Clear
as of 6:54 AM MST
Rel. Humidity: 39%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.23 in.
Flight Rule: VFR
Wind Data
21 MPH
Gust: 32 MPH
220° Southwest
Cloud Level(s): Few at 12000ft
Current Conditions at
SHERIDAN - (KSHR)
61°
Clear
as of 6:53 AM MST
Rel. Humidity: 25%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.43 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 29 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
SOUTH BIG HORN - (KGEY)
43°
Clear
as of 6:53 AM MST
Rel. Humidity: 48%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.56 in.
Flight Rule: VFR
Wind Data
3 MPH
170° South
Cloud Level(s): Clear
70% chance of rain Today Today... Showers likely, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 52 by 10am, then falling to around 39 during the remainder of the day. West wind 14 to 24 mph increasing to 31 to 41 mph. Winds could gust as high as 60 mph. Chance of precipitation is 70%.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 23. West wind 30 to 40 mph decreasing to 17 to 27 mph after midnight. Winds could gust as high as 55 mph.

Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 40. West southwest wind 5 to 9 mph becoming south in the afternoon.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a temperature falling to near 32 by 10pm, then rising to around 43 during the remainder of the night. Southwest wind 6 to 13 mph.

80% chance of rain & snow Friday Friday... A chance of rain before 2pm, then rain, possibly mixed with snow. Temperature rising to near 54 by noon, then falling to around 41 during the remainder of the day. West southwest wind 11 to 16 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

80% chance of rain & snow Friday Night Friday Night... Rain and snow, becoming all snow after 8pm. Low around 24. West northwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

20% chance of snow Saturday Saturday... A 20 percent chance of snow before 11am. Partly sunny, with a high near 40. West wind 5 to 7 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 21. West southwest wind around 6 mph.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 39. West southwest wind around 5 mph becoming calm in the morning.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 25. Calm wind.

20% chance of rain & snow Monday Monday... A slight chance of rain and snow. Mostly cloudy, with a high near 44. West wind 3 to 6 mph. Chance of precipitation is 20%.

20% chance of rain & snow Monday Night Monday Night... A slight chance of rain and snow. Mostly cloudy, with a low around 26. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 41. Light and variable wind.

Current Radar Image


Sun Almanac for Mann, Montana
Sunrise: 07:49 AM
Sunset: 4:28 PM
Civil Sunrise:07:15 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:37 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 06:00 AM
Astro Sunset: 6:17 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.