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 in effect from December 5, 07:00 PM MST until December 6, 11:00 AM MST

Current conditions at

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

27°F

-3°C

Humidity	92%
Wind Speed	S 1 MPH
Barometer	NA
Dewpoint	25°F (-4°C)
Visibility	NA
Last update	05 Dec 11:18 PM MST

More Information:

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

Extended Forecast for

2 Miles E Rocky Boy MT

Winter Weather Advisory until December 6, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until December 6, 11:00am
NOW until 11:00am Sat
Winter Weather Advisory
Overnight
Low: 9 °F
Snow
Saturday
High: 12 °F
Snow Likely
then Slight
Chance Snow
Saturday Night
Low: 14 °F⇑
Snow Likely
then Chance
Snow
Sunday
High: 37 °F
Partly Sunny
Sunday Night
Low: 27 °F
Partly Cloudy
Monday
High: 40 °F
Mostly Sunny
Monday Night
Low: 31 °F
Chance
Rain/Snow
then Chance
Rain and
Breezy
Tuesday
High: 42 °F
Rain/Snow
Likely and
Breezy

Detailed Forecast

Overnight

Snow, mainly before 4am. Low around 9. East southeast wind around 7 mph becoming west northwest. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

Saturday

Snow likely, mainly before noon. Mostly cloudy, with a steady temperature around 12. Wind chill values as low as zero. South southwest wind around 6 mph becoming west northwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a temperature falling to near 14 by 8pm, then rising to around 25 during the remainder of the night. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Sunday

Partly sunny, with a high near 37. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.

Sunday Night

Partly cloudy, with a low around 27. Southwest wind 9 to 18 mph, with gusts as high as 33 mph.

Monday

Mostly sunny, with a high near 40. West southwest wind 14 to 18 mph, with gusts as high as 33 mph.

Monday Night

A slight chance of rain and snow before 11pm, then a chance of rain. Mostly cloudy, with a low around 31. Breezy, with a southwest wind 14 to 19 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Tuesday

Rain likely before 8am, then rain and snow likely. Mostly cloudy, with a high near 42. Breezy, with a west wind 21 to 26 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 45 mph.

Tuesday Night

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

Wednesday

Snow likely before 2pm, then rain and snow likely. Mostly cloudy, with a high near 38.

Wednesday Night

Rain and snow likely. Mostly cloudy, with a low around 13.

Thursday

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

Thursday Night

Snow likely. Mostly cloudy, with a low around 4.

Friday

Snow likely. Mostly cloudy, with a high near 22.