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Comet, Montana Weather Forecast
Comet, Montana Weather
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Weather Forecast for Comet, Montana : Jefferson County
Issued: 9:27 pm MST Dec 16, 2025 Latitude: 46.3107625 Longitude: -112.170004 View on Google Maps

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Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
40% chance of rain & snow on Overnight 90% chance of rain & snow on Wednesday 40% chance of snow on Thursday 80% chance of snow on Friday 20% chance of snow on Saturday 10% chance of snow on Sunday 20% chance of snow on Monday 10% chance of snow on Tuesday
Low: 38°F High: 21 °F High: 34°F High: 36°F High: 28°F High: 32°F High: 37°F High: 38°F
Low: 21°F Low: 30°F Low: 21°F Low: 18°F Low: 26°F Low: 26°F  
Rain & Snow Rain & Snow Snow Snow Snow Snow Snow Snow
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Current Conditions at
HELENA - (KHLN)
48°
Clear
as of 1:53 AM MST
Rel. Humidity: 34%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.56 in.
Flight Rule: VFR
Wind Data
8 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
BOZEMAN - (KBZN)
39°
Cloudy
as of 1:56 AM MST
Rel. Humidity: 55%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.68 in.
Flight Rule: VFR
Wind Data
7 MPH
110° East
Cloud Level(s): Solid Overcast at 9500ft
Current Conditions at
DILLON - (KDLN)
46°
Feels like 39°F
Mostly Cloudy
as of 1:53 AM MST
Rel. Humidity: 36%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.70 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 26 MPH
200° South
Cloud Level(s): Broken at 11000ft
40% chance of rain & snow Overnight Overnight... A chance of snow before 3am, then a chance of rain and snow. Mostly cloudy, with a steady temperature around 38. Breezy, with a southwest wind around 26 mph, with gusts as high as 47 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

90% chance of rain & snow Wednesday Wednesday... Rain and snow before noon, then a slight chance of snow between noon and 1pm. Temperature falling to around 21 by 5pm. Windy, with a west wind 29 to 37 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 21. Windy, with a west wind 29 to 34 mph decreasing to 21 to 26 mph after midnight. Winds could gust as high as 60 mph.

40% chance of snow Thursday Thursday... A 40 percent chance of snow after 11am. Mostly cloudy, with a high near 34. South southwest wind 10 to 15 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

70% chance of snow Thursday Night Thursday Night... Snow likely. Mostly cloudy, with a low around 30. Southwest wind 15 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

80% chance of snow Friday Friday... Snow. High near 36. West wind 18 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

60% chance of snow Friday Night Friday Night... Snow likely, mainly before 11pm. Mostly cloudy, with a low around 21. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

20% chance of snow Saturday Saturday... A chance of snow, mainly before 11am. Mostly sunny, with a high near 28. West southwest wind 11 to 16 mph, with gusts as high as 28 mph.

10% chance of snow Saturday Night Saturday Night... A slight chance of snow before 11pm. Partly cloudy, with a low around 18.

10% chance of snow Sunday Sunday... A slight chance of snow after 11am. Partly sunny, with a high near 32.

20% chance of snow Sunday Night Sunday Night... A chance of snow. Mostly cloudy, with a low around 26.

20% chance of snow Monday Monday... A chance of snow. Partly sunny, with a high near 37.

10% chance of snow Monday Night Monday Night... A slight chance of snow. Mostly cloudy, with a low around 26.

10% chance of snow Tuesday Tuesday... A slight chance of snow. Partly sunny, with a high near 38.

Current Radar Image


Sun Almanac for Comet, Montana
Sunrise: 08:07 AM
Sunset: 4:43 PM
Civil Sunrise:07:32 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 06:54 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 06:17 AM
Astro Sunset: 6:33 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.