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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.

53°F

12°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

6 Miles WSW Lloyd MT

Tonight
Low: 39 °F
Mostly Clear
Juneteenth
High: 60 °F
Sunny
Friday Night
Low: 46 °F
Mostly Cloudy
Saturday
High: 68 °F
Mostly Sunny
Saturday Night
Low: 48 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 59 °F
Partly Sunny
then Chance
Showers
Sunday Night
Low: 41 °F
Slight Chance
T-storms then
Chance
Showers
Monday
High: 53 °F
Chance
Showers
Monday Night
Low: 39 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 39. West northwest wind 5 to 13 mph, with gusts as high as 23 mph.

Juneteenth

Sunny, with a high near 60. Light and variable wind becoming east northeast 5 to 7 mph in the afternoon.

Friday Night

Mostly cloudy, with a low around 46. East wind 9 to 14 mph, with gusts as high as 25 mph.

Saturday

Mostly sunny, with a high near 68. Southeast wind 15 to 17 mph, with gusts as high as 28 mph.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Southeast wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 59. West northwest wind around 16 mph, with gusts as high as 26 mph.

Sunday Night

A slight chance of showers and thunderstorms, then a chance of showers after midnight. Mostly cloudy, with a low around 41. Northwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

Monday

A chance of showers. Partly sunny, with a high near 53. West northwest wind 13 to 16 mph, with gusts as high as 28 mph.

Monday Night

Mostly clear, with a low around 39.

Tuesday

Mostly sunny, with a high near 63.

Tuesday Night

Partly cloudy, with a low around 46.

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 69.

Wednesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.