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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.

58°F

14°C

Humidity	44%
Wind Speed	E 6 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Last update	20 Jun 05:18 AM MDT

More Information:

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

Extended Forecast for

2 Miles S Rocky Boy MT

Today
High: 75 °F
Mostly Sunny
and Breezy
then Mostly
Sunny
Tonight
Low: 48 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 65 °F
Slight Chance
Showers then
Mostly Sunny
Sunday Night
Low: 42 °F
Slight Chance
T-storms then
Slight Chance
Showers
Monday
High: 58 °F
Slight Chance
Showers then
Chance
Showers
Monday Night
Low: 40 °F
Slight Chance
Showers then
Partly Cloudy
Tuesday
High: 67 °F
Mostly Sunny
Tuesday Night
Low: 45 °F
Partly Cloudy
Wednesday
High: 74 °F
Mostly Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 75. Breezy, with a southeast wind 18 to 23 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Southeast wind 7 to 14 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

Sunday

A 20 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 65. West northwest wind 11 to 14 mph, with gusts as high as 23 mph.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 42. West wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Monday

A 50 percent chance of showers, mainly after noon. Partly sunny, with a high near 58. West wind 7 to 14 mph, with gusts as high as 26 mph.

Monday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 40. Northwest wind 9 to 14 mph becoming light west after midnight. Winds could gust as high as 26 mph.

Tuesday

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

Tuesday Night

Partly cloudy, with a low around 45. North northeast wind 5 to 7 mph becoming east southeast after midnight.

Wednesday

Mostly sunny, with a high near 74.

Wednesday Night

Mostly clear, with a low around 49.

Thursday

Mostly sunny, with a high near 79.

Thursday Night

Mostly cloudy, with a low around 54.