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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.

32°F

0°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

4 Miles WSW Lloyd MT

Juneteenth
High: 63 °F
Sunny
Tonight
Low: 47 °F
Partly Cloudy
Saturday
High: 72 °F
Mostly Sunny
Saturday Night
Low: 49 °F
Chance
T-storms then
Slight Chance
Showers
Sunday
High: 62 °F
Mostly Sunny
Sunday Night
Low: 42 °F
Partly Cloudy
then Slight
Chance
Showers
Monday
High: 56 °F
Chance
Showers
Monday Night
Low: 41 °F
Slight Chance
Showers then
Mostly Clear
Tuesday
High: 66 °F
Mostly Sunny

Detailed Forecast

Juneteenth

Sunny, with a high near 63. West wind 5 to 7 mph becoming east northeast in the afternoon.

Tonight

Partly cloudy, with a low around 47. South southeast wind 8 to 18 mph, with gusts as high as 30 mph.

Saturday

Mostly sunny, with a high near 72. Southeast wind 13 to 17 mph, with gusts as high as 28 mph.

Saturday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 49. Southeast wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 50%.

Sunday

Mostly sunny, with a high near 62. West northwest wind 14 to 18 mph, with gusts as high as 29 mph.

Sunday Night

A 20 percent chance of showers after midnight. Partly cloudy, with a low around 42. West wind 14 to 17 mph, with gusts as high as 28 mph.

Monday

A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 56. West northwest wind 16 to 20 mph, with gusts as high as 31 mph.

Monday Night

A slight chance of showers before midnight. Partly cloudy, with a low around 41. Northwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 28 mph.

Tuesday

Mostly sunny, with a high near 66.

Tuesday Night

Partly cloudy, with a low around 47.

Wednesday

Mostly sunny, with a high near 73.

Wednesday Night

Partly cloudy, with a low around 51.

Thursday

A chance of showers and thunderstorms. Partly sunny, with a high near 76.