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Spear, Montana Weather Forecast
Spear, Montana Weather
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Weather Forecast for Spear, Montana : Big Horn County
Issued: 2:54 am MST Dec 17, 2025 Latitude: 45.1996881 Longitude: -107.3792592 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
70% chance of rain & snow on Today 20% chance of snow on Tonight Partly Sunny on Thursday 80% chance of rain on Friday 40% chance of snow on Saturday Partly Sunny on Sunday 20% chance of rain on Monday Partly Sunny on Tuesday
High: 57 °F Low: 23°F High: 41°F High: 58°F High: 41°F High: 43°F High: 53°F High: 47°F
Low: 32 °F Low: 26°F Low: 22°F Low: 28°F Low: 29°F  
Rain & Snow Snow Partly Sunny Rain Snow Partly Sunny Rain Partly Sunny
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Current Conditions at
SHERIDAN - (KSHR)
46°
Clear
as of 2:53 AM MST
Rel. Humidity: 33%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.66 in.
Flight Rule: VFR
Wind Data
7 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
SOUTH BIG HORN - (KGEY)
37°
Mostly Cloudy
as of 2:53 AM MST
Rel. Humidity: 60%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 10000ft
Current Conditions at
BUFFALO - (KBYG)
45°
Feels like 37°F
Clear
as of 2:53 AM MST
Rel. Humidity: 36%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.69 in.
Flight Rule: VFR
Wind Data
17 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
BILLINGS - (KBIL)
46°
Feels like 41°F
Mostly Clear
as of 2:53 AM MST
Rel. Humidity: 45%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.61 in.
Flight Rule: VFR
Wind Data
10 MPH
240° Southwest
Cloud Level(s): Few at 24000ft
70% chance of rain & snow Today Today... Rain showers likely before 2pm, then a slight chance of snow showers between 2pm and 3pm. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 57 by 10am, then falling to around 39 during the remainder of the day. Southeast wind 18 to 28 mph becoming west 33 to 43 mph. Winds could gust as high as 60 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

20% chance of snow Tonight Tonight... A slight chance of snow showers between 3am and 4am. Partly cloudy, with a low around 23. West northwest wind 39 to 44 mph decreasing to 28 to 33 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 20%.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 41. West northwest wind 7 to 14 mph becoming southeast 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 48 during the remainder of the night. Southeast wind 9 to 14 mph becoming southwest 18 to 23 mph after midnight.

80% chance of rain Friday Friday... Rain, mainly after 5pm. High near 58. West southwest wind 17 to 26 mph. Chance of precipitation is 80%.

90% chance of rain & snow Friday Night Friday Night... Snow, possibly mixed with rain, becoming all snow after 11pm. Low around 26. Northwest wind 8 to 11 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

40% chance of snow Saturday Saturday... A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 41. West northwest wind around 8 mph. New snow accumulation of less than a half inch possible.

20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 22. West southwest wind 6 to 9 mph becoming south after midnight.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 43. East southeast wind 6 to 8 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 28. South southeast wind 6 to 8 mph.

20% chance of rain Monday Monday... A 20 percent chance of rain. Partly sunny, with a high near 53. South wind around 9 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 29. South southwest wind around 7 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 47. Southeast wind around 7 mph.

Current Radar Image


Sun Almanac for Spear, Montana
Sunrise: 07:43 AM
Sunset: 4:28 PM
Civil Sunrise:07:09 AM
Civil Sunset: 5:02 PM
Nautical Sunrise: 06:32 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:56 AM
Astro Sunset: 6:16 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.