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Forest Green, Montana Weather Forecast
Forest Green, Montana Weather
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Weather Forecast for Forest Green, Montana : Meagher County
Issued: 9:27 pm MST Dec 16, 2025 Latitude: 46.7613505 Longitude: -110.7404892 View on Google Maps

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Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
30% chance of rain & snow on Tonight 90% chance of rain & snow on Wednesday 40% chance of snow on Thursday 70% 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: 34°F High: 37 °F High: 34°F High: 38°F High: 29°F High: 33°F High: 38°F High: 39°F
Low: 15°F Low: 24°F Low: 16°F Low: 15°F Low: 22°F Low: 23°F  
Rain & Snow Rain & Snow Snow Snow Snow Snow Snow Snow
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Current Conditions at
GREAT FALLS - (KGTF)
45°
Feels like 36°F
Clear
as of 9:53 PM MST
Rel. Humidity: 56%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.67 in.
Flight Rule: VFR
Wind Data
18 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
HELENA - (KHLN)
52°
Clear
as of 9:53 PM MST
Rel. Humidity: 34%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 24 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
LEWISTOWN - (KLWT)
43°
Feels like 36°F
Clear
as of 9:54 PM MST
Rel. Humidity: 56%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
10 MPH
230° Southwest
Cloud Level(s): Clear
30% chance of rain & snow Tonight Tonight... A slight chance of snow between 4am and 5am, then a chance of rain and snow. Increasing clouds, with a steady temperature around 34. South southwest wind 15 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 30%. 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 after 2pm. Temperature rising to near 37 by 10am, then falling to around 22 during the remainder of the day. Windy, with a west wind 23 to 30 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 15. Wind chill values as low as zero. Breezy, with a west wind 24 to 29 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 55 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 7 to 11 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
50% chance of snow Thursday Night Thursday Night... A 50 percent chance of snow. Mostly cloudy, with a low around 24. Southwest wind 11 to 18 mph, with gusts as high as 39 mph. New snow accumulation of less than one inch possible.
70% chance of snow Friday Friday... Snow likely. Mostly cloudy, with a high near 38. West wind 15 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
60% chance of snow Friday Night Friday Night... Snow likely, mainly before 11pm. Mostly cloudy, with a low around 16. West wind 10 to 14 mph, with gusts as high as 29 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 29. West wind 9 to 11 mph, with gusts as high as 28 mph.
10% chance of snow Saturday Night Saturday Night... A slight chance of snow. Partly cloudy, with a low around 15.
10% chance of snow Sunday Sunday... A slight chance of snow after 11am. Partly sunny, with a high near 33.
20% chance of snow Sunday Night Sunday Night... A chance of snow. Mostly cloudy, with a low around 22.
20% chance of snow Monday Monday... A chance of snow. Mostly cloudy, with a high near 38.
10% chance of snow Monday Night Monday Night... A slight chance of snow. Mostly cloudy, with a low around 23.
10% chance of snow Tuesday Tuesday... A slight chance of snow. Partly sunny, with a high near 39.
Current Radar Image


Sun Almanac for Forest Green, Montana
Sunrise: 08:03 AM
Sunset: 4:36 PM
Civil Sunrise:07:28 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:49 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 06:12 AM
Astro Sunset: 6:27 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.