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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 (RCBM8)

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

61°F

16°C

Humidity	44%
Wind Speed	NE 2 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Last update	19 Jun 09:18 AM MDT

More Information:

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

Extended Forecast for

2 Miles SE Rocky Boy MT

Juneteenth
High: 68 °F
Sunny
Tonight
Low: 48 °F
Decreasing
Clouds
Saturday
High: 78 °F
Mostly Sunny
Saturday Night
Low: 49 °F
Chance
T-storms then
Slight Chance
Showers
Sunday
High: 66 °F
Mostly Sunny
Sunday Night
Low: 43 °F
Partly Cloudy
then Slight
Chance
Showers
Monday
High: 61 °F
Chance
Showers
Monday Night
Low: 41 °F
Slight Chance
Showers then
Mostly Clear
Tuesday
High: 71 °F
Sunny

Detailed Forecast

Juneteenth

Sunny, with a high near 68. Light and variable wind becoming northeast around 6 mph in the afternoon.

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Southeast wind 6 to 11 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 34 mph.

Saturday

Mostly sunny, with a high near 78. Southeast wind 8 to 16 mph, with gusts as high as 29 mph.

Saturday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 49. Southeast wind around 6 mph becoming west after midnight. Chance of precipitation is 50%.

Sunday

Mostly sunny, with a high near 66. West northwest wind 8 to 14 mph, with gusts as high as 25 mph.

Sunday Night

A 20 percent chance of showers after midnight. Partly cloudy, with a low around 43. West northwest wind 8 to 14 mph, with gusts as high as 24 mph.

Monday

A 40 percent chance of showers. Partly sunny, with a high near 61. West northwest wind 10 to 14 mph, with gusts as high as 25 mph.

Monday Night

A slight chance of showers before midnight. Partly cloudy, with a low around 41. North northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

Tuesday

Sunny, with a high near 71.

Tuesday Night

Partly cloudy, with a low around 48.

Wednesday

Mostly sunny, with a high near 78.

Wednesday Night

Partly cloudy, with a low around 52.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.