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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.

53°F

12°C

Humidity	96%
Wind Speed	WSW 7 MPH
Barometer	NA
Dewpoint	52°F (11°C)
Visibility	NA
Last update	28 Jun 06:18 AM MDT

More Information:

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

Extended Forecast for

4 Miles NW Rocky Boy MT

Today
High: 61 °F
Rain
Tonight
Low: 48 °F
Rain
Monday
High: 62 °F
Rain
Monday Night
Low: 50 °F
Rain
Tuesday
High: 71 °F
Showers
Likely
Tuesday Night
Low: 52 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 74 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 53 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 78 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Today

Rain and thunderstorms likely, then rain and possibly a thunderstorm after noon. High near 61. West wind 8 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Rain and possibly a thunderstorm before 4am, then rain likely. Low around 48. Southwest wind 13 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Monday

Rain before 3pm, then a chance of rain and thunderstorms between 3pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. High near 62. Southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Rain and possibly a thunderstorm. Low around 50. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

Tuesday

Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 71. West southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

Tuesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52. South southwest wind 5 to 9 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. West southwest wind 6 to 9 mph.

Wednesday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53. West southwest wind 5 to 7 mph becoming light and variable after midnight.

Thursday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.

Thursday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 75.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.

Independence Day

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.