url:
Summit Valley, Montana Weather Forecast
Summit Valley, 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 Summit Valley, Montana
Change location by the zip code or city,state: or search for other weather forecast locations in Montana by name.
Weather Forecast for Summit Valley, Montana : Madison County
Issued: 4:03 am MST Dec 17, 2025 Latitude: 45.7704829 Longitude: -111.8924843 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
20% chance of rain on Overnight 80% chance of rain & snow on Wednesday 30% chance of snow on Thursday 70% chance of rain & snow on Friday 10% chance of snow on Saturday Mostly Sunny on Sunday 20% chance of rain & snow on Monday Partly Sunny on Tuesday
Low: 46°F High: 46 °F High: 42°F High: 49°F High: 37°F High: 40°F High: 47°F High: 43°F
Low: 24°F Low: 35°F Low: 24°F Low: 21°F Low: 29°F Low: 28°F  
Rain Rain & Snow Snow Rain & Snow Snow Mostly Sunny Rain & Snow Partly Sunny
-
Current Conditions at
BUTTE - (KBTM)
43°
Feels like 33°F
Cloudy
Light Rain
as of 4:53 AM MST
Rel. Humidity: 60%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.50 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 36 MPH
190° South
Cloud Level(s): Broken at 5500ft, Broken at 6500ft, Solid Overcast at 10000ft
Current Conditions at
BOZEMAN - (KBZN)
50°
Feels like 44°F
Clear
as of 4:56 AM MST
Rel. Humidity: 43%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.50 in.
Flight Rule: VFR
Wind Data
16 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
DILLON - (KDLN)
48°
Feels like 40°F
Cloudy
as of 4:53 AM MST
Rel. Humidity: 42%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.54 in.
Flight Rule: VFR
Wind Data
23 MPH
Gust: 38 MPH
200° South
Cloud Level(s): Broken at 5500ft, Solid Overcast at 7000ft
Current Conditions at
HELENA - (KHLN)
54°
Mostly Cloudy
as of 4:53 AM MST
Rel. Humidity: 37%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.38 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 36 MPH
210° Southwest
Cloud Level(s): Scattered at 8500ft, Broken at 11000ft
20% chance of rain Overnight Overnight... A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 46. Southwest wind around 18 mph, with gusts as high as 34 mph.
80% chance of rain & snow Wednesday Wednesday... Rain and snow before 11am, then a slight chance of snow between 11am and noon. Patchy blowing dust after 9am. Temperature rising to near 46 by 9am, then falling to around 31 during the remainder of the day. Windy, with a west wind 20 to 25 mph increasing to 33 to 38 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Dust on Wednesday Night Wednesday Night... Patchy blowing dust before 8pm. Increasing clouds, with a low around 24. Breezy, with a west wind 24 to 29 mph becoming south southwest 10 to 15 mph after midnight. Winds could gust as high as 50 mph.
30% chance of snow Thursday Thursday... A 30 percent chance of snow after 11am. Cloudy, with a high near 42. South southwest wind 7 to 14 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
50% chance of rain & snow Thursday Night Thursday Night... A chance of rain and snow before 11pm, then a chance of rain. Mostly cloudy, with a low around 35. Southwest wind 15 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
70% chance of rain & snow Friday Friday... Rain likely before 8am, then rain and snow likely. Mostly cloudy, with a high near 49. Southwest wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
50% chance of snow Friday Night Friday Night... A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 24. West southwest wind 10 to 14 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
10% chance of snow Saturday Saturday... A slight chance of snow before 11am. Mostly sunny, with a high near 37. West southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 21.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 40.
10% chance of rain & snow Sunday Night Sunday Night... A slight chance of rain and snow. Mostly cloudy, with a low around 29.
20% chance of rain & snow Monday Monday... A chance of rain and snow. Mostly cloudy, with a high near 47.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 28.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 43.
Current Radar Image


Sun Almanac for Summit Valley, Montana
Sunrise: 08:04 AM
Sunset: 4:44 PM
Civil Sunrise:07:29 AM
Civil Sunset: 5:19 PM
Nautical Sunrise: 06:51 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 06:15 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.