url:
Waltham, Montana Weather Forecast
Waltham, Montana Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

Click for High Wind Warning for Waltham, Montana
Change location by the zip code or city,state: or search for other weather forecast locations in Montana by name.
Weather Forecast for Waltham, Montana : Chouteau County
Issued: 4:03 am MST Dec 17, 2025 Latitude: 47.5696902 Longitude: -110.8907887 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
50% chance of rain on Today Mostly Clear on Tonight Partly Sunny on Thursday 30% chance of rain & snow on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday 10% chance of rain & snow on Monday Partly Sunny on Tuesday
High: 36 °F Low: 23°F High: 46°F High: 49°F High: 40°F High: 41°F High: 40°F High: 41°F
Low: 36°F Low: 21°F Low: 25°F Low: 26°F Low: 24°F  
Rain Mostly Clear Partly Sunny Rain & Snow Mostly Sunny Mostly Sunny Rain & Snow Partly Sunny
-
Current Conditions at
GREAT FALLS - (KGTF)
52°
Clear
as of 6:53 AM MST
Rel. Humidity: 43%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.12 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 24 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
LEWISTOWN - (KLWT)
50°
Feels like 43°F
Mostly Clear
as of 6:54 AM MST
Rel. Humidity: 39%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.23 in.
Flight Rule: VFR
Wind Data
21 MPH
Gust: 32 MPH
220° Southwest
Cloud Level(s): Few at 12000ft
Current Conditions at
HELENA - (KHLN)
50°
Feels like 42°F
Mostly Cloudy
as of 6:53 AM MST
Rel. Humidity: 53%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.21 in.
Flight Rule: VFR
Wind Data
26 MPH
Gust: 43 MPH
190° South
Cloud Level(s): Scattered at 6500ft, Broken at 9000ft
50% chance of rain Today Today... A 50 percent chance of rain, mainly before 10am. Patchy blowing dust after 9am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 36 by 5pm. Very windy, with a west wind 25 to 35 mph increasing to 36 to 46 mph in the afternoon. Winds could gust as high as 60 mph.
Mostly Clear on Tonight Tonight... Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Windy, with a west wind 27 to 32 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 46 mph.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 46. South southwest wind 14 to 16 mph, with gusts as high as 24 mph.
20% chance of rain Thursday Night Thursday Night... A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 36. Breezy, with a southwest wind 10 to 15 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 40 mph.
30% chance of rain & snow Friday Friday... A chance of rain and snow before 11am, then a chance of snow. Partly sunny, with a high near 49. Breezy, with a west wind 20 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
30% chance of snow Friday Night Friday Night... A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 21. West southwest wind 10 to 13 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 40. West southwest wind 10 to 20 mph, with gusts as high as 28 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 25. Southwest wind 14 to 16 mph, with gusts as high as 24 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 41.
10% chance of rain & snow Sunday Night Sunday Night... A slight chance of rain and snow after 11pm. Mostly cloudy, with a low around 26.
10% chance of rain & snow Monday Monday... A slight chance of rain and snow. Partly sunny, with a high near 40.
10% chance of rain & snow Monday Night Monday Night... A slight chance of rain and snow. Partly cloudy, with a low around 24.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 41.
Current Radar Image


Sun Almanac for Waltham, Montana
Sunrise: 08:07 AM
Sunset: 4:33 PM
Civil Sunrise:07:31 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:51 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 06:14 AM
Astro Sunset: 6:26 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.