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Rimrock, Montana Weather Forecast
Rimrock, Montana Weather
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Weather Forecast for Rimrock, Montana : Yellowstone County
Issued: 4:09 am MST Dec 17, 2025 Latitude: 45.802173 Longitude: -108.7029205 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
60% chance of rain on Today Mostly Clear 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: 53 °F Low: 26°F High: 41°F High: 54 °F High: 40°F High: 41°F High: 48°F High: 42°F
Low: 45 °F Low: 26°F Low: 22°F Low: 31 °F Low: 28°F  
Rain Mostly Clear Increasing Clouds Rain & Snow Snow Partly Sunny Rain & Snow Partly Sunny
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Current Conditions at
BILLINGS - (KBIL)
46°
Partly Cloudy
as of 4:53 AM MST
Rel. Humidity: 42%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.46 in.
Flight Rule: VFR
Wind Data
8 MPH
250° West
Cloud Level(s): Scattered at 21000ft
Current Conditions at
LIVINGSTON - (KLVM)
52°
Mostly Cloudy
as of 4:53 AM MST
Rel. Humidity: 40%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.46 in.
Flight Rule: VFR
Wind Data
39 MPH
Gust: 56 MPH
230° Southwest
Cloud Level(s): Broken at 11000ft
Current Conditions at
CODY - (KCOD)
48°
Feels like 40°F
Clear
as of 4:56 AM MST
Rel. Humidity: 49%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
22 MPH
Gust: 35 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
LEWISTOWN - (KLWT)
50°
Feels like 42°F
Clear
as of 4:54 AM MST
Rel. Humidity: 31%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.37 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 33 MPH
210° Southwest
Cloud Level(s): Clear
60% chance of rain Today Today... Showers likely, mainly before noon. Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 53 by 10am, then falling to around 39 during the remainder of the day. Southwest wind 26 to 36 mph increasing to 37 to 47 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 60%.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 26. West wind 34 to 44 mph decreasing to 24 to 34 mph after midnight. Winds could gust as high as 60 mph.

Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 41. West wind 10 to 14 mph becoming south in the afternoon.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a temperature rising to around 45 by 5am. South southwest wind 11 to 16 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 40 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 43 during the remainder of the day. Southwest wind 25 to 30 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 41 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 26. Northwest wind 11 to 13 mph. Chance of precipitation is 80%. 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 40. West wind around 11 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 22. West southwest wind 8 to 10 mph.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 41. Southwest wind 6 to 10 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a temperature falling to near 31 by 9pm, then rising to around 37 during the remainder of the night. Southwest wind 6 to 10 mph.

20% chance of rain & snow Monday Monday... A slight chance of rain and snow. Partly sunny, with a high near 48. Southwest wind around 11 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 28. West northwest wind around 9 mph. Chance of precipitation is 20%.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 42. West southwest wind 6 to 9 mph becoming southeast in the morning.

Current Radar Image


Sun Almanac for Rimrock, Montana
Sunrise: 07:51 AM
Sunset: 4:31 PM
Civil Sunrise:07:17 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 06:39 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 06:02 AM
Astro Sunset: 6:20 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.