
PNS25-72: Soliciting Comments through December 19, 2025 on the Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices.
Current conditions at
Karst US-191 MP 55.3 (MTKAR)
Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.unknown precip
37°F
3°C
| Humidity | 77% |
| Wind Speed | NE 2 MPH |
| Barometer | NA |
| Dewpoint | 30°F (-1°C) |
| Visibility | NA |
| Last update | 08 Dec 10:30 PM MST |
Extended Forecast for
15 Miles ENE Big Sky MT
Tonight

Low: 26 °F⇑
Snow Likely
and Patchy
Blowing SnowTuesday

High: 31 °F⇓
Snow Likely
and Areas
Blowing SnowTuesday Night

Low: 22 °F⇑
Snow
Wednesday
High: 34 °F
Breezy. Snow
then Chance
SnowWednesday Night

Low: 32 °F
Snow Likely
and BreezyThursday

High: 33 °F
Snow Likely
and BreezyThursday Night

Low: 29 °F
Chance Snow
Friday

High: 31 °F
Chance Snow
Friday Night

Low: 27 °F
Mostly Cloudy
Detailed Forecast
Tonight
Snow likely, mainly after 5am. Patchy blowing snow. Cloudy, with a temperature rising to around 30 by 2am. Windy, with a southwest wind around 33 mph, with gusts as high as 49 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow likely, mainly before 3pm. Areas of blowing snow before 11am. Cloudy, with a temperature falling to around 23 by 5pm. Windy, with a west northwest wind 22 to 31 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow, mainly after 11pm. Temperature falling to near 22 by 8pm, then rising to around 30 during the remainder of the night. Southwest wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow, mainly before 11am. High near 34. Breezy, with a west southwest wind around 23 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow likely. Cloudy, with a low around 32. Breezy, with a west southwest wind 24 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely. Cloudy, with a high near 33. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 50 percent chance of snow. Cloudy, with a low around 29. West southwest wind 15 to 18 mph, with gusts as high as 29 mph. New snow accumulation of 1 to 3 inches possible.
Friday
A chance of snow, mainly before 11am. Mostly cloudy, with a high near 31. West southwest wind around 15 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 24. Breezy.
Sunday
A slight chance of snow. Partly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 28.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
15 Miles ENE Big Sky MT
45.32°N 111.05°W (Elev. 8901 ft)
45.32°N 111.05°W (Elev. 8901 ft)
9:47 pm MST Dec 8, 2025
10pm MST Dec 8, 2025-6pm MST Dec 15, 2025


