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.

ROCKY BOY (RCBM8)

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

50°F

10°C

Humidity	40%
Wind Speed	SW 13 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Wind Chill	45°F (7°C)
Last update	22 Nov 01:18 PM MST

More Information:

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

Extended Forecast for

Big Sandy MT

This Afternoon
High: 54 °F
Mostly Sunny
Tonight
Low: 33 °F
Partly Cloudy
Sunday
High: 56 °F
Partly Sunny
Sunday Night
Low: 31 °F
Chance Rain
Monday
High: 43 °F
Rain/Snow
Monday Night
Low: 16 °F
Chance Snow
then Mostly
Cloudy
Tuesday
High: 35 °F
Mostly Sunny
Tuesday Night
Low: 16 °F
Mostly Cloudy
Wednesday
High: 35 °F
Slight Chance
Snow

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 54. South southwest wind around 10 mph, with gusts as high as 21 mph.

Tonight

Partly cloudy, with a low around 33. South southwest wind 7 to 9 mph, with gusts as high as 18 mph.

Sunday

Partly sunny, with a high near 56. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

Sunday Night

A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 31. Southwest wind around 7 mph.

Monday

Rain before 11am, then rain and snow between 11am and 2pm, then snow after 2pm. High near 43. South southwest wind 8 to 13 mph becoming northwest 15 to 20 mph in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Monday Night

A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 16. Northwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph. New snow accumulation of less than a half inch possible.

Tuesday

Mostly sunny, with a high near 35. West southwest wind around 5 mph becoming calm in the morning.

Tuesday Night

Mostly cloudy, with a low around 16. Light southeast wind.

Wednesday

A slight chance of snow after 11am. Partly sunny, with a high near 35.

Wednesday Night

A chance of snow. Mostly cloudy, with a low around 19.

Thanksgiving Day

A chance of snow. Mostly cloudy, with a high near 35.

Thursday Night

A chance of snow. Mostly cloudy, with a low around 17.