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Hillsboro, Montana Weather Forecast
Hillsboro, Montana Weather
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Weather Forecast for Hillsboro, Montana : Carbon County
Issued: 2:33 am MST Dec 15, 2025 Latitude: 45.0999561 Longitude: -108.2328935 View on Google Maps

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Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Clear on Overnight Increasing Clouds on Monday Mostly Sunny on Tuesday 80% chance of rain & snow on Wednesday Partly Sunny on Thursday 40% chance of rain & snow on Friday 30% chance of snow on Saturday 20% chance of snow on Sunday
Low: 33°F High: 53°F High: 52°F High: 48 °F High: 42°F High: 52°F High: 43°F High: 43°F
Low: 37°F Low: 38°F Low: 25°F Low: 37 °F Low: 28°F Low: 27°F  
Mostly Clear Increasing Clouds Mostly Sunny Rain & Snow Partly Sunny Rain & Snow Snow Snow
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Current Conditions at
SOUTH BIG HORN - (KGEY)
19°
Clear
as of 2:53 AM MST
Rel. Humidity: 85%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
3 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
BILLINGS - (KBIL)
41°
Feels like 32°F
Partly Cloudy
as of 2:53 AM MST
Rel. Humidity: 41%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
17 MPH
230° Southwest
Cloud Level(s): Scattered at 23000ft
Current Conditions at
CODY - (KCOD)
50°
Clear
as of 2:56 AM MST
Rel. Humidity: 13%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
5 MPH
080° East
Cloud Level(s): Clear
Current Conditions at
WORLAND - (KWRL)
19°
Clear
as of 2:53 AM MST
Rel. Humidity: 85%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
6 MPH
340° North
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 33. Southwest wind around 10 mph.
Increasing Clouds on Monday Monday... Increasing clouds, with a high near 53. Southwest wind 13 to 17 mph.
20% chance of rain Monday Night Monday Night... A 20 percent chance of showers before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Southwest wind 23 to 28 mph, with gusts as high as 39 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 52. Southwest wind 16 to 22 mph.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 38. South wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 41 mph.
80% chance of rain & snow Wednesday Wednesday... A chance of rain before 11am, then rain and snow. Temperature rising to near 48 by 11am, then falling to around 39 during the remainder of the day. South wind 29 to 34 mph becoming west northwest in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
20% chance of snow Wednesday Night Wednesday Night... A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 25. West northwest wind 28 to 33 mph decreasing to 16 to 21 mph after midnight. Winds could gust as high as 47 mph.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 42. Northwest wind 9 to 16 mph becoming south in the morning.
20% chance of rain & snow Thursday Night Thursday Night... A slight chance of snow before 11pm, then a slight chance of rain and snow. Mostly cloudy, with a temperature falling to near 37 by 9pm, then rising to around 43 during the remainder of the night. South wind 16 to 23 mph. Chance of precipitation is 20%.
40% chance of rain & snow Friday Friday... A chance of rain before 11am, then a chance of rain and snow. Partly sunny, with a high near 52. South southwest wind 18 to 23 mph. Chance of precipitation is 40%.
50% chance of rain & snow Friday Night Friday Night... A chance of rain and snow. Mostly cloudy, with a low around 28. South southwest wind 10 to 15 mph becoming north after midnight. Chance of precipitation is 50%.
30% chance of snow Saturday Saturday... A 30 percent chance of snow. Partly sunny, with a high near 43. North northwest wind 9 to 11 mph becoming west southwest in the afternoon.
20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow. Partly cloudy, with a low around 27. South southwest wind around 10 mph.
20% chance of snow Sunday Sunday... A 20 percent chance of snow. Mostly sunny, with a high near 43. South southwest wind 9 to 11 mph.
Current Radar Image


Sun Almanac for Hillsboro, Montana
Sunrise: 07:45 AM
Sunset: 4:32 PM
Civil Sunrise:07:11 AM
Civil Sunset: 5:05 PM
Nautical Sunrise: 06:34 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:58 AM
Astro Sunset: 6:19 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.