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 Watch in effect from December 11, 02:00 PM MST until December 13, 05:00 AM MST

Current conditions at

PORPHYRY (PHYM8)

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

17°F

-8°C

Humidity	90%
Wind Speed	W 5 MPH
Barometer	NA
Dewpoint	15°F (-9°C)
Visibility	NA
Wind Chill	9°F (-13°C)
Last update	09 Dec 09:05 PM MST

More Information:

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

Extended Forecast for

7 Miles SSE Neihart MT

Winter Storm Watch December 11, 02:00pm until December 13, 05:00am

Click here for hazard details and duration

Winter Storm Watch

Tonight
Low: 19 °F⇑
Mostly Cloudy
then Heavy
Snow
Wednesday
High: 37 °F
Snow then
Chance
Rain/Snow
Wednesday Night
Low: 33 °F
Chance
Rain/Snow and
Breezy
Thursday
High: 36 °F
Snow
Thursday Night
Low: 16 °F
Snow
Friday
High: 30 °F
Heavy Snow
Friday Night
Low: 12 °F
Snow Likely
Saturday
High: 26 °F
Chance Snow
Saturday Night
Low: 21 °F
Mostly Cloudy

Detailed Forecast

Tonight

Snow, mainly after 2am. The snow could be heavy at times. Temperature rising to around 23 by 5am. Southwest wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

Wednesday

Rain and snow before 3pm, then a chance of rain between 3pm and 4pm, then a chance of rain and snow after 4pm. High near 37. West southwest wind 15 to 21 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Wednesday Night

A chance of rain and snow before 8pm, then a chance of rain between 8pm and 11pm, then a chance of rain and snow after 11pm. Mostly cloudy, with a low around 33. Breezy, with a west southwest wind around 22 mph, with gusts as high as 47 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Thursday

Snow, mainly after 11am. High near 36. West wind 14 to 21 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow. Low around 16. West northwest wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Friday

Snow. The snow could be heavy at times. High near 30. West wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

Friday Night

Snow likely. Mostly cloudy, with a low around 12. West wind 11 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

Saturday

A chance of snow. Mostly cloudy, with a high near 26. West southwest wind around 9 mph, with gusts as high as 23 mph.

Saturday Night

Mostly cloudy, with a low around 21.

Sunday

Partly sunny, with a high near 34.

Sunday Night

Mostly cloudy, with a low around 25.

Monday

Partly sunny, with a high near 35.

Monday Night

A slight chance of snow. Mostly cloudy, with a low around 26.