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, 02:00 PM MST

Current conditions at

PORPHYRY (PHYM8)

Lat: 46.83821°NLon: 110.71813°WElev: 8232.0ft.

18°F

-8°C

Humidity	92%
Wind Speed	SW 2 MPH
Barometer	NA
Dewpoint	16°F (-9°C)
Visibility	NA
Last update	05 Dec 06:05 PM MST

More Information:

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

Extended Forecast for

8 Miles S Neihart MT

Winter Storm Warning December 5, 06:22pm until December 6, 02:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 5, 06:22pm until December 6, 02:00pm
NOW until 2:00pm Sat
Winter Storm Warning
Tonight
Low: 20 °F
Heavy Snow
Saturday
High: 26 °F
Heavy Snow
then Chance
Snow
Saturday Night
Low: 19 °F
Heavy Snow
Sunday
High: 26 °F
Slight Chance
Snow
Sunday Night
Low: 21 °F
Chance Snow
then Mostly
Cloudy
Monday
High: 30 °F
Mostly Cloudy
Monday Night
Low: 26 °F
Chance Snow
and Breezy
Tuesday
High: 33 °F
Snow Likely
and Breezy

Detailed Forecast

Tonight

Snow. The snow could be heavy at times. Low around 20. West wind 9 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 7 to 11 inches possible.

Saturday

Snow, mainly before 10am. The snow could be heavy at times. High near 26. West wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

Saturday Night

A 50 percent chance of snow. The snow could be heavy at times. Cloudy, with a low around 19. West wind 14 to 16 mph, with gusts as high as 36 mph. New snow accumulation of 3 to 5 inches possible.

Sunday

A 20 percent chance of snow. Mostly cloudy, with a high near 26. West wind around 14 mph, with gusts as high as 32 mph.

Sunday Night

A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 21. West southwest wind around 14 mph, with gusts as high as 33 mph. Little or no snow accumulation expected.

Monday

Mostly cloudy, with a high near 30. West southwest wind 14 to 16 mph, with gusts as high as 33 mph.

Monday Night

A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 26. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 48 mph. New snow accumulation of less than a half inch possible.

Tuesday

Snow likely. Cloudy, with a high near 33. Breezy, with a west wind 18 to 23 mph, with gusts as high as 49 mph.

Tuesday Night

Snow. Mostly cloudy, with a low around 23.

Wednesday

Snow. Mostly cloudy, with a high near 32.

Wednesday Night

Snow likely. Mostly cloudy, with a low around 17.

Thursday

Snow likely. Mostly cloudy, with a high near 26.

Thursday Night

Snow likely. Mostly cloudy, with a low around 14.