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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.

49°F

9°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

13 Miles SSW Lloyd MT

Today
High: 58 °F
Showers
Tonight
Low: 39 °F
Chance
Showers then
Partly Cloudy
Juneteenth
High: 64 °F
Sunny
Friday Night
Low: 47 °F
Mostly Cloudy
Saturday
High: 70 °F
Mostly Sunny
Saturday Night
Low: 47 °F
Showers
Likely
Sunday
High: 61 °F
Mostly Sunny
then Chance
Showers
Sunday Night
Low: 41 °F
Partly Cloudy
then Slight
Chance
Showers
Monday
High: 59 °F
Partly Sunny
then Slight
Chance
Showers

Detailed Forecast

Today

Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 58. Northwest wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

Tonight

A 40 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 39. Northwest wind 10 to 15 mph becoming light north northwest after midnight. Winds could gust as high as 26 mph.

Juneteenth

Sunny, with a high near 64. Calm wind becoming east southeast 5 to 7 mph in the afternoon.

Friday Night

Mostly cloudy, with a low around 47. East southeast wind 9 to 13 mph, with gusts as high as 28 mph.

Saturday

Mostly sunny, with a high near 70. East southeast wind 11 to 16 mph, with gusts as high as 29 mph.

Saturday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 47. Southeast wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 61. West northwest wind 8 to 15 mph, with gusts as high as 25 mph.

Sunday Night

A slight chance of showers after midnight. Partly cloudy, with a low around 41. Northwest wind 5 to 14 mph, with gusts as high as 25 mph.

Monday

A slight chance of showers after noon. Mostly sunny, with a high near 59.

Monday Night

Mostly clear, with a low around 41.

Tuesday

Sunny, with a high near 67.

Tuesday Night

Partly cloudy, with a low around 47.

Wednesday

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