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Bay Horse, Montana Weather Forecast
Bay Horse, Montana Weather
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Weather Forecast for Bay Horse, Montana : Powder River County
Issued: 7:43 pm MST Dec 16, 2025 Latitude: 45.0433187 Longitude: -105.5669455 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Cloudy on Tonight 50% chance of rain & snow on Wednesday Partly Sunny on Thursday 30% chance of rain on Friday 20% chance of snow on Saturday Partly Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
Low: 31°F High: 55°F High: 35°F High: 53°F High: 37°F High: 41°F High: 51°F High: 49°F
Low: 20°F Low: 30 °F Low: 26°F Low: 24°F Low: 28°F Low: 29°F  
Cloudy Rain & Snow Partly Sunny Rain Snow Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
GILLETTE - (KGCC)
41°
Feels like 32°F
Clear
as of 7:53 PM MST
Rel. Humidity: 65%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
16 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
SHERIDAN - (KSHR)
43°
Clear
as of 7:53 PM MST
Rel. Humidity: 70%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
6 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
BUFFALO - (KBYG)
43°
Feels like 33°F
Clear
as of 7:53 PM MST
Rel. Humidity: 56%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
22 MPH
Gust: 29 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
MILES CITY - (KMLS)
39°
Feels like 32°F
Cloudy
as of 7:53 PM MST
Rel. Humidity: 69%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
12 MPH
180° South
Cloud Level(s): Solid Overcast at 10000ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 31. South southwest wind 9 to 16 mph.

50% chance of rain & snow Wednesday Wednesday... A chance of rain showers after 10am, mixing with snow after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 55. South southwest wind 22 to 27 mph becoming west northwest 28 to 33 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 20. West northwest wind 32 to 41 mph, with gusts as high as 60 mph.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 35. Northwest wind 20 to 30 mph becoming west 9 to 14 mph in the morning. Winds could gust as high as 43 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a temperature falling to near 30 by 9pm, then rising to around 39 during the remainder of the night. South southwest wind 8 to 13 mph.

30% chance of rain Friday Friday... A 30 percent chance of showers after 5pm. Mostly cloudy, with a high near 53. South southwest wind around 13 mph becoming west northwest in the afternoon.

40% chance of rain & snow Friday Night Friday Night... A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 26. West northwest wind around 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

20% chance of snow Saturday Saturday... A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 37. West wind around 9 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 24. West southwest wind around 7 mph becoming south after midnight.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 41. South wind around 7 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 28. South southwest wind around 7 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 51. South southwest wind 7 to 9 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 29. Northwest wind around 7 mph becoming south southwest in the evening.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 49. South wind around 7 mph.

Current Radar Image


Sun Almanac for Bay Horse, Montana
Sunrise: 07:35 AM
Sunset: 4:21 PM
Civil Sunrise:07:01 AM
Civil Sunset: 4:55 PM
Nautical Sunrise: 06:24 AM
Nautical Sunset: 5:32 PM
Astro Sunrise: 05:48 AM
Astro Sunset: 6:08 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.