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 until December 6, 09:00 PM MST

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

33°F

1°C

Humidity	81%
Wind Speed	SSE 5 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Wind Chill	28°F (-2°C)
Last update	06 Dec 09:00 AM MST

More Information:

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

Extended Forecast for

4 Miles E Big Sky MT

Winter Storm Warning December 6, 09:27am until December 6, 09:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 6, 09:27am until December 6, 09:00pm
NOW until 9:00pm Sat
Winter Storm Warning
Today
High: 38 °F
Snow and
Patchy Fog
Tonight
Low: 21 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 38 °F
Slight Chance
Snow and
Patchy Fog
Sunday Night
Low: 25 °F
Chance Snow
then Slight
Chance Snow
Monday
High: 42 °F
Slight Chance
Snow
Monday Night
Low: 32 °F
Chance
Rain/Snow
Tuesday
High: 47 °F
Rain/Snow
Tuesday Night
Low: 31 °F
Rain/Snow
Likely

Detailed Forecast

Today

Snow, mainly before 5pm. Patchy fog before 10am. High near 38. West southwest wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 2 inches possible.

Tonight

A 30 percent chance of snow, mainly before 7pm. Mostly cloudy, with a low around 21. South wind around 7 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

Sunday

A 20 percent chance of snow after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 38. South southwest wind 5 to 9 mph, with gusts as high as 20 mph.

Sunday Night

A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 25. Southwest wind 6 to 10 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

Monday

A 20 percent chance of snow. Mostly cloudy, with a high near 42. South southwest wind 6 to 10 mph, with gusts as high as 22 mph.

Monday Night

A chance of rain and snow before 2am, then a chance of rain. Mostly cloudy, with a low around 32. South southwest wind around 11 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Tuesday

Rain before 11am, then rain, possibly mixed with snow. High near 47. West wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Tuesday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 31. Southwest wind 6 to 9 mph, with gusts as high as 24 mph.

Wednesday

Rain, possibly mixed with snow. Mostly cloudy, with a high near 48.

Wednesday Night

Rain and snow likely, mainly before 11pm. Mostly cloudy, with a low around 31.

Thursday

A chance of rain and snow. Partly sunny, with a high near 44.

Thursday Night

A chance of rain and snow. Mostly cloudy, with a low around 23.

Friday

A chance of rain and snow. Partly sunny, with a high near 47.