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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.

65°F

18°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

Lloyd MT

Tonight
Low: 49 °F
Partly Cloudy
Thursday
High: 70 °F
Partly Sunny
then Chance
T-storms
Thursday Night
Low: 51 °F
Chance
Showers then
Mostly Cloudy
Friday
High: 71 °F
Mostly Cloudy
then Showers
Likely
Friday Night
Low: 50 °F
Showers then
Showers
Likely
Saturday
High: 66 °F
Partly Sunny
then Chance
Showers
Saturday Night
Low: 49 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 60 °F
Showers
Likely
Sunday Night
Low: 45 °F
Showers
Likely and
Breezy

Detailed Forecast

Tonight

Partly cloudy, with a low around 49. East wind 8 to 10 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.

Thursday

A 40 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 70. Southeast wind 11 to 16 mph, with gusts as high as 25 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 51. South southeast wind 9 to 11 mph, with gusts as high as 20 mph.

Friday

Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. Southeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

Friday Night

Showers and possibly a thunderstorm. Low around 50. South southeast wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%.

Saturday

A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 66. West wind 11 to 15 mph, with gusts as high as 23 mph.

Saturday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49. West wind 9 to 13 mph, with gusts as high as 21 mph.

Sunday

Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 60. West wind 16 to 21 mph, with gusts as high as 33 mph.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. Breezy.

Monday

Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 58. Breezy.

Monday Night

A chance of showers. Mostly cloudy, with a low around 47. Breezy.

Tuesday

A slight chance of showers. Mostly sunny, with a high near 67. Breezy.

Tuesday Night

Partly cloudy, with a low around 49.

Wednesday

Sunny, with a high near 69.