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Nelson, Montana Weather Forecast
Nelson, Montana Weather
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Weather Forecast for Nelson, Montana : Fergus County
Issued: 4:03 am MST Dec 17, 2025 Latitude: 47.1046963 Longitude: -109.2382288 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
60% chance of rain & snow on Today Mostly Clear on Tonight Increasing Clouds on Thursday 40% chance of snow on Friday 10% chance of snow on Saturday Mostly Sunny on Sunday 10% chance of snow on Monday Partly Sunny on Tuesday
High: 42 °F Low: 16°F High: 39°F High: 42°F High: 30°F High: 34°F High: 35°F High: 35°F
Low: 31°F Low: 20°F Low: 23°F Low: 27°F Low: 24°F  
Rain & Snow Mostly Clear Increasing Clouds Snow Snow Mostly Sunny Snow Partly Sunny
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Current Conditions at
LEWISTOWN - (KLWT)
48°
Clear
as of 5:54 AM MST
Rel. Humidity: 36%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.28 in.
Flight Rule: VFR
Wind Data
3 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
BILLINGS - (KBIL)
50°
Feels like 44°F
Mostly Cloudy
as of 5:53 AM MST
Rel. Humidity: 43%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.41 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 30 MPH
240° Southwest
Cloud Level(s): Few at 10000ft, Broken at 20000ft
Current Conditions at
GREAT FALLS - (KGTF)
54°
Mostly Clear
as of 5:53 AM MST
Rel. Humidity: 40%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.16 in.
Flight Rule: VFR
Wind Data
35 MPH
Gust: 48 MPH
220° Southwest
Cloud Level(s): Few at 12000ft
60% chance of rain & snow Today Today... Rain likely before 11am, then a slight chance of snow between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 42 by 8am, then falling to around 26 during the remainder of the day. Windy, with a west wind 23 to 33 mph increasing to 33 to 43 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Mostly Clear on Tonight Tonight... Mostly cloudy, then gradually becoming mostly clear, with a low around 16. Wind chill values as low as zero. Windy, with a west northwest wind 34 to 44 mph decreasing to 20 to 30 mph. Winds could gust as high as 70 mph.

Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 39. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 31. Breezy, with a south southwest wind 13 to 18 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 48 mph.

40% chance of snow Friday Friday... A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 42. Breezy, with a west northwest wind 21 to 26 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 47 mph. New snow accumulation of less than a half inch possible.

50% chance of snow Friday Night Friday Night... A 50 percent chance of snow. Mostly cloudy, with a low around 20. West northwest wind 11 to 13 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.

10% chance of snow Saturday Saturday... A 10 percent chance of snow before 11am. Mostly sunny, with a high near 30. West wind 11 to 14 mph, with gusts as high as 25 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 23. Southwest wind 13 to 15 mph, with gusts as high as 28 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 34.

10% chance of snow Sunday Night Sunday Night... A slight chance of snow. Mostly cloudy, with a low around 27.

10% chance of snow Monday Monday... A slight chance of snow. Mostly cloudy, with a high near 35.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 24.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 35.

Current Radar Image


Sun Almanac for Nelson, Montana
Sunrise: 07:58 AM
Sunset: 4:28 PM
Civil Sunrise:07:23 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:44 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 06:07 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.