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Dean, Montana Weather Forecast
Dean, Montana Weather
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Weather Forecast for Dean, Montana : Stillwater County
Issued: 4:09 am MST Dec 17, 2025 Latitude: 45.4046647 Longitude: -109.6904504 View on Google Maps

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Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
90% chance of rain & snow on Today Mostly Clear on Tonight 30% chance of snow on Thursday 80% chance of rain & snow on Friday 40% chance of snow on Saturday 20% chance of snow on Sunday 50% chance of rain & snow on Monday 20% chance of rain & snow on Tuesday
High: 33 °F Low: 25°F High: 43°F High: 49 °F High: 38°F High: 43°F High: 50°F High: 46°F
Low: 45 °F Low: 25°F Low: 24°F Low: 42 °F Low: 32°F  
Rain & Snow Mostly Clear Snow Rain & Snow Snow Snow Rain & Snow Rain & Snow
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Current Conditions at
LIVINGSTON - (KLVM)
46°
Feels like 35°F
Partly Cloudy
as of 8:53 AM MST
Rel. Humidity: 61%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.21 in.
Flight Rule: VFR
Wind Data
45 MPH
Gust: 73 MPH
220° Southwest
Cloud Level(s): Few at 8000ft, Scattered at 11000ft
Current Conditions at
BILLINGS - (KBIL)
54°
Partly Cloudy
as of 8:53 AM MST
Rel. Humidity: 40%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.24 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 32 MPH
230° Southwest
Cloud Level(s): Scattered at 9000ft, Scattered at 23000ft
Current Conditions at
YELLOWSTONE - (KP60)
32°
Cloudy
as of 8:56 AM MST
Rel. Humidity: 92%
Dew Point: 30°F
Pressure: 29.55 in.
Wind Data
6 MPH
Current Conditions at
CODY - (KCOD)
46°
Feels like 38°F
Clear
as of 8:56 AM MST
Rel. Humidity: 61%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.41 in.
Flight Rule: VFR
Wind Data
23 MPH
Gust: 37 MPH
240° Southwest
Cloud Level(s): Clear
90% chance of rain & snow Today Today... Rain showers before 11am, then snow showers between 11am and 2pm. Temperature falling to around 33 by 5pm. West wind 38 to 41 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 25. West wind 36 to 41 mph decreasing to 24 to 29 mph after midnight. Winds could gust as high as 55 mph.

30% chance of snow Thursday Thursday... A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 43. South southwest wind 9 to 13 mph. New snow accumulation of less than a half inch possible.

60% chance of rain & snow Thursday Night Thursday Night... Snow likely before 11pm, then a chance of rain. Mostly cloudy, with a temperature rising to around 45 by 4am. Southwest wind 22 to 31 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

80% chance of rain & snow Friday Friday... Rain before 2pm, then rain, possibly mixed with snow. Temperature rising to near 49 by 11am, then falling to around 42 during the remainder of the day. West southwest wind 25 to 30 mph decreasing to 16 to 21 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.

90% chance of rain & snow Friday Night Friday Night... Rain and snow, becoming all snow after 8pm. Low around 25. West wind 8 to 13 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

40% chance of snow Saturday Saturday... A 40 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 38. West wind 7 to 10 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 24. Southwest wind around 9 mph.

20% chance of snow Sunday Sunday... A 20 percent chance of snow. Partly sunny, with a high near 43. Southwest wind around 7 mph.

40% chance of rain & snow Sunday Night Sunday Night... A chance of snow before 8pm, then a chance of rain and snow. Mostly cloudy, with a temperature rising to around 42 by 5am. Southwest wind around 8 mph. Chance of precipitation is 40%.

50% chance of rain & snow Monday Monday... A chance of rain and snow. Partly sunny, with a high near 50. Southwest wind 8 to 13 mph. Chance of precipitation is 50%.

30% chance of rain & snow Monday Night Monday Night... A chance of rain and snow. Mostly cloudy, with a low around 32. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.

20% chance of rain & snow Tuesday Tuesday... A slight chance of rain and snow. Partly sunny, with a high near 46. Southwest wind around 7 mph. Chance of precipitation is 20%.

Current Radar Image


Sun Almanac for Dean, Montana
Sunrise: 07:53 AM
Sunset: 4:37 PM
Civil Sunrise:07:19 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:42 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 06:06 AM
Astro Sunset: 6:25 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.