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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.

60°F

16°C

Humidity	39%
Wind Speed	E 6 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Last update	20 Jun 12:18 AM MDT

More Information:

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

Extended Forecast for

7 Miles ENE Rocky Boy MT

Overnight
Low: 51 °F
Partly Cloudy
Saturday
High: 76 °F
Sunny and
Breezy then
Mostly Sunny
Saturday Night
Low: 49 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 67 °F
Slight Chance
Showers then
Mostly Sunny
Sunday Night
Low: 43 °F
Slight Chance
T-storms then
Slight Chance
Showers
Monday
High: 60 °F
Slight Chance
Showers then
Chance
Showers
Monday Night
Low: 41 °F
Slight Chance
Showers then
Partly Cloudy
Tuesday
High: 68 °F
Mostly Sunny
Tuesday Night
Low: 46 °F
Partly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a steady temperature around 51. Southeast wind 11 to 20 mph, with gusts as high as 29 mph.

Saturday

Mostly sunny, with a high near 76. Breezy, with a southeast wind 13 to 22 mph, with gusts as high as 32 mph.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Southeast wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 50%.

Sunday

A 20 percent chance of showers before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 67. West northwest wind 13 to 15 mph, with gusts as high as 24 mph.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43. Northwest wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Monday

A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Partly sunny, with a high near 60. West northwest wind 8 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.

Monday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 41. Northwest wind 11 to 16 mph becoming light west northwest after midnight. Winds could gust as high as 28 mph.

Tuesday

Mostly sunny, with a high near 68. Calm wind becoming north northwest around 6 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 46.

Wednesday

Mostly sunny, with a high near 76.

Wednesday Night

Mostly clear, with a low around 50.

Thursday

Mostly sunny, with a high near 80.

Thursday Night

Mostly cloudy, with a low around 54.