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.
Hazardous Weather Conditions
Current conditions at
Karst US-191 MP 55.3 (MTKAR)
Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.unknown precip
26°F
-3°C
| Humidity | 96% |
| Wind Speed | SE 5 MPH |
| Barometer | NA |
| Dewpoint | 25°F (-4°C) |
| Visibility | NA |
| Wind Chill | 20°F (-7°C) |
| Last update | 04 Dec 04:30 PM MST |
Extended Forecast for
13 Miles ESE Big Sky MT
Winter Storm Warning December 4, 04:51pm until December 6, 02:00pm
NOW until 2:00pm Sat
Winter Storm Warning
This Afternoon
High: 18 °F
Snow and
Patchy
Blowing SnowTonight
Low: 16 °F
Heavy Snow
and Patchy
Blowing SnowFriday
High: 24 °F
Heavy Snow
and Areas
Blowing SnowFriday Night
Low: 20 °F
Heavy Snow
and Blowing
SnowSaturday
High: 21 °F
Snow and
Areas Blowing
SnowSaturday Night
Low: 15 °F
Chance Snow
Sunday
High: 21 °F
Slight Chance
SnowSunday Night
Low: 19 °F
Chance Snow
and Breezy
Detailed Forecast
This Afternoon
Snow. Patchy blowing snow. High near 18. West southwest wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow. The snow could be heavy at times. Patchy blowing snow before 2am. Low around 16. West southwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Friday
Snow likely before 9am, then snow after 2pm. The snow could be heavy at times. Areas of blowing snow after 5pm. High near 24. Southwest wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow. The snow could be heavy at times. Widespread blowing snow, mainly between 8pm and 11pm. Low around 20. Breezy, with a west wind 23 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow. Areas of blowing snow before 11am. High near 21. Breezy, with a west wind 16 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 15. West southwest wind 15 to 21 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Sunday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 21. Southwest wind 16 to 18 mph, with gusts as high as 28 mph.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 19. Breezy, with a south southwest wind 22 to 29 mph, with gusts as high as 37 mph.
Monday
A slight chance of snow before 11am. Partly sunny, with a high near 24. Breezy.
Monday Night
A chance of snow after 11pm. Mostly cloudy, with a low around 22. Windy.
Tuesday
Snow likely. Mostly cloudy, with a high near 28. Breezy.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 23. Breezy.
Wednesday
Snow likely. Mostly cloudy, with a high near 27.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 23. Breezy.
Thursday
A chance of snow. Mostly cloudy, with a high near 27.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
13 Miles ESE Big Sky MT
45.23°N 111.07°W (Elev. 9354 ft)
45.23°N 111.07°W (Elev. 9354 ft)
3:37 pm MST Dec 4, 2025
4pm MST Dec 4, 2025-6pm MST Dec 11, 2025
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