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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.

69°F

21°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

19 Miles SE Rocky Boy MT

Today
High: 80 °F
Chance
T-storms and
Breezy
Tonight
Low: 50 °F
Showers and
Breezy then
Chance
Showers
Wednesday
High: 64 °F
Mostly Sunny
then Chance
Showers
Wednesday Night
Low: 45 °F
Partly Cloudy
Thursday
High: 66 °F
Chance
Showers
Thursday Night
Low: 48 °F
Partly Cloudy
Juneteenth
High: 72 °F
Mostly Sunny
Friday Night
Low: 54 °F
Partly Cloudy
Saturday
High: 75 °F
Partly Sunny

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 80. Breezy, with a west wind 18 to 26 mph, with gusts as high as 46 mph.

Tonight

Showers and thunderstorms before 2am, then a chance of showers between 2am and 3am. Low around 50. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 46 mph. Chance of precipitation is 80%.

Wednesday

A chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 64. West northwest wind 17 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.

Wednesday Night

Partly cloudy, with a low around 45. West northwest wind 5 to 14 mph, with gusts as high as 26 mph.

Thursday

A chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 66. West northwest wind 5 to 9 mph. Chance of precipitation is 30%.

Thursday Night

Partly cloudy, with a low around 48. North northwest wind around 6 mph becoming light and variable in the evening.

Juneteenth

Mostly sunny, with a high near 72. Northeast wind 5 to 8 mph becoming east southeast in the afternoon.

Friday Night

Partly cloudy, with a low around 54. East wind 9 to 11 mph, with gusts as high as 23 mph.

Saturday

Partly sunny, with a high near 75.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.

Sunday

A chance of showers. Partly sunny, with a high near 67.