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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.

64°F

18°C

Humidity	37%
Wind Speed	S 3 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Last update	09 Jun 07:18 AM MDT

More Information:

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

Extended Forecast for

Box Elder MT

Today
High: 73 °F
Partly Sunny
Tonight
Low: 46 °F
Partly Cloudy
Wednesday
High: 59 °F
Showers
Likely and
Breezy
Wednesday Night
Low: 44 °F
Showers and
Breezy then
Showers
Likely
Thursday
High: 68 °F
Chance
Showers
Thursday Night
Low: 43 °F
Partly Cloudy
Friday
High: 69 °F
Sunny then
Chance
Showers
Friday Night
Low: 44 °F
Slight Chance
T-storms then
Slight Chance
Showers
Saturday
High: 66 °F
Chance
Showers

Detailed Forecast

Today

Partly sunny, with a high near 73. South wind 10 to 17 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

Tonight

Partly cloudy, with a low around 46. Southwest wind 17 to 20 mph, with gusts as high as 28 mph.

Wednesday

Showers likely, mainly after 1pm. Mostly cloudy, with a high near 59. Breezy, with a west wind 20 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Showers and possibly a thunderstorm. Low around 44. Breezy, with a west wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%.

Thursday

A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 68. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

Thursday Night

Partly cloudy, with a low around 43. West northwest wind 5 to 10 mph becoming light and variable in the evening.

Friday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. Light and variable wind becoming northwest 5 to 9 mph in the morning.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44. North wind 5 to 8 mph.

Saturday

A chance of showers, mainly after noon. Partly sunny, with a high near 66.

Saturday Night

Partly cloudy, with a low around 42.

Sunday

Mostly sunny, with a high near 70.

Sunday Night

Partly cloudy, with a low around 45.

Monday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.