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 Storm Warning in effect from December 4, 11:00 AM MST until December 6, 05:00 AM MST

Current conditions at

YELLOW MULE (YLWM8)

Lat: 45.1661°NLon: 111.35954°WElev: 9200.0ft.

13°F

-11°C

Humidity	86%
Wind Speed	SSW 11 MPH
Barometer	NA
Dewpoint	10°F (-12°C)
Visibility	NA
Wind Chill	-0°F (-18°C)
Last update	04 Dec 07:04 AM MST

More Information:

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

Extended Forecast for

19 Miles S Big Sky MT

Winter Storm Warning December 4, 11:00am until December 6, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Today
High: 16 °F
Slight Chance
Snow then
Snow Likely
Tonight
Low: 13 °F
Snow
Friday
High: 22 °F
Snow
Friday Night
Low: 19 °F
Heavy Snow
then Snow
Likely
Saturday
High: 22 °F
Snow
Saturday Night
Low: 13 °F
Chance Snow
Sunday
High: 20 °F
Chance Snow
Sunday Night
Low: 17 °F
Chance Snow
Monday
High: 24 °F
Chance Snow

Detailed Forecast

Today

Snow likely, mainly after 2pm. Mostly cloudy, with a high near 16. Wind chill values as low as -10. South southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Snow. Low around 13. Wind chill values as low as zero. South southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Friday

Snow. High near 22. South southwest wind 10 to 15 mph, with gusts as high as 25 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. Low around 19. West wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Saturday

Snow. High near 22. West wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 13. West southwest wind 11 to 13 mph, with gusts as high as 21 mph. New snow accumulation of 1 to 2 inches possible.

Sunday

A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 20. South southwest wind 13 to 16 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 17. South southwest wind 16 to 20 mph, with gusts as high as 31 mph.

Monday

A chance of snow. Mostly cloudy, with a high near 24.

Monday Night

A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 21. Breezy.

Tuesday

Snow likely. Mostly cloudy, with a high near 28. Breezy.

Tuesday Night

Snow likely. Mostly cloudy, with a low around 25. Breezy.

Wednesday

Snow likely. Mostly cloudy, with a high near 30.