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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.

70°F

21°C

Humidity	46%
Wind Speed	NNW 4 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Last update	20 Jun 11:18 AM MDT

More Information:

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

Extended Forecast for

9 Miles NE Rocky Boy MT

Today
High: 77 °F
Mostly Sunny
Tonight
Low: 50 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 68 °F
Slight Chance
Showers then
Mostly Sunny
Sunday Night
Low: 45 °F
Slight Chance
T-storms then
Slight Chance
Showers
Monday
High: 61 °F
Slight Chance
Showers then
Chance
Showers
Monday Night
Low: 43 °F
Slight Chance
Showers then
Mostly Clear
Tuesday
High: 68 °F
Sunny
Tuesday Night
Low: 47 °F
Partly Cloudy
Wednesday
High: 76 °F
Mostly Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 77. Southeast wind 11 to 17 mph, with gusts as high as 25 mph.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. 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 slight chance of showers between 7am and 8am. Mostly cloudy, then gradually becoming sunny, with a high near 68. West northwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45. West wind 6 to 14 mph, with gusts as high as 22 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 61. West northwest wind 9 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 43. Northwest wind 11 to 16 mph becoming light west southwest after midnight. Winds could gust as high as 28 mph.

Tuesday

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

Tuesday Night

Partly cloudy, with a low around 47. Northeast wind 5 to 7 mph becoming southeast after midnight.

Wednesday

Mostly sunny, with a high near 76.

Wednesday Night

Mostly clear, with a low around 52.

Thursday

Mostly sunny, with a high near 81.

Thursday Night

Mostly cloudy, with a low around 56.