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

Winter Weather Advisory until December 3, 05:00 AM MST

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.

unknown precip

28°F

-2°C

Humidity	96%
Wind Speed	ESE 0 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Last update	02 Dec 04:45 PM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

14 Miles NE Big Sky MT

Winter Weather Advisory December 2, 05:15pm until December 3, 05:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 2, 05:15pm until December 3, 05:00am
NOW until 5:00am Wed
Winter Weather Advisory
This Afternoon
High: 23 °F
Snow Likely
Tonight
Low: 10 °F
Snow Likely
and Patchy
Fog then
Patchy Fog
Wednesday
High: 26 °F
Patchy Fog
then Mostly
Sunny
Wednesday Night
Low: 13 °F
Mostly Cloudy
Thursday
High: 28 °F
Snow Likely
Thursday Night
Low: 19 °F
Snow Likely
Friday
High: 29 °F
Heavy Snow
Friday Night
Low: 23 °F
Snow

Detailed Forecast

This Afternoon

Snow likely. Cloudy, with a steady temperature around 23. Northwest wind around 5 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow likely, mainly before 11pm. Patchy fog. Otherwise, cloudy, with a low around 10. Light west northwest wind. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Wednesday

Patchy fog before 10am. Otherwise, mostly sunny, with a high near 26. Calm wind becoming west around 5 mph in the afternoon.

Wednesday Night

Mostly cloudy, with a low around 13. South southwest wind around 8 mph.

Thursday

Snow likely, mainly after 11am. Cloudy, with a high near 28. Southwest wind 7 to 9 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow likely, mainly before 11pm. Cloudy, with a low around 19. Southwest wind 6 to 9 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow likely, mainly after 11am. The snow could be heavy at times. Mostly cloudy, with a high near 29. Southwest wind 6 to 10 mph. Chance of precipitation is 60%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow. Cloudy, with a low around 23. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

Saturday

Snow likely. Mostly cloudy, with a high near 32.

Saturday Night

A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 18.

Sunday

A slight chance of snow. Partly sunny, with a high near 33.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 21.

Monday

Partly sunny, with a high near 35.