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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.

56°F

13°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

15 Miles SSE Rocky Boy MT

Today
High: 75 °F
Mostly Sunny
Tonight
Low: 52 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 67 °F
Mostly Sunny
Sunday Night
Low: 46 °F
Chance
Showers
Monday
High: 59 °F
Chance
Showers
Monday Night
Low: 43 °F
Slight Chance
Showers then
Mostly Clear
Tuesday
High: 67 °F
Sunny
Tuesday Night
Low: 48 °F
Partly Cloudy
Wednesday
High: 74 °F
Mostly Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 75. East southeast wind 11 to 18 mph, with gusts as high as 26 mph.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Southeast wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 50%.

Sunday

Mostly sunny, with a high near 67. West northwest wind 13 to 17 mph, with gusts as high as 25 mph.

Sunday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 46. West northwest wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

Monday

A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 59. West northwest wind 8 to 16 mph, with gusts as high as 29 mph.

Monday Night

A 20 percent chance of showers before midnight. Mostly clear, with a low around 43. Northwest wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 29 mph.

Tuesday

Sunny, with a high near 67. Calm wind becoming northwest around 6 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 48. East wind 5 to 7 mph.

Wednesday

Mostly sunny, with a high near 74.

Wednesday Night

Mostly clear, with a low around 53.

Thursday

Mostly sunny, with a high near 79.

Thursday Night

Partly cloudy, with a low around 56.