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SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.

Current conditions at

ROCKY BOY (ROCM8)

Lat: 48.17478°NLon: 109.64728°WElev: 4700.0ft.

51°F

11°C

Humidity	NA
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

9 Miles ESE Rocky Boy MT

This Afternoon
High: 56 °F
Chance
Showers
Tonight
Low: 36 °F
Slight Chance
Showers then
Mostly Clear
Juneteenth
High: 61 °F
Sunny
Friday Night
Low: 44 °F
Mostly Cloudy
Saturday
High: 69 °F
Mostly Sunny
Saturday Night
Low: 46 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 59 °F
Partly Sunny
then Chance
Showers
Sunday Night
Low: 39 °F
Chance
Showers
Monday
High: 54 °F
Chance
Showers

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 56. Northwest wind around 15 mph, with gusts as high as 25 mph.

Tonight

A 20 percent chance of showers before 7pm. Mostly clear, with a low around 36. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

Juneteenth

Sunny, with a high near 61. Light and variable wind becoming east around 6 mph in the afternoon.

Friday Night

Mostly cloudy, with a low around 44. East southeast wind 8 to 15 mph, with gusts as high as 26 mph.

Saturday

Mostly sunny, with a high near 69. Southeast wind 13 to 17 mph, with gusts as high as 29 mph.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Southeast wind 9 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 59. West northwest wind 13 to 16 mph, with gusts as high as 26 mph.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 39. West northwest wind 10 to 16 mph, with gusts as high as 26 mph.

Monday

A chance of showers. Partly sunny, with a high near 54.

Monday Night

Mostly clear, with a low around 37.

Tuesday

Mostly sunny, with a high near 63.

Tuesday Night

Partly cloudy, with a low around 43.

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 69.