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The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will be discontinued on May 6, 2026.

Current conditions at

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

34°F

1°C

Humidity	74%
Wind Speed	NNE 5 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Wind Chill	29°F (-2°C)
Last update	29 Mar 10:18 AM MDT

More Information:

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

Extended Forecast for

2 Miles SE Rocky Boy MT

Today
High: 53 °F
Chance
Rain/Snow
Tonight
Low: 34 °F
Rain Likely
then Chance
Rain/Snow
Monday
High: 40 °F⇓
Slight Chance
Rain/Snow
then Partly
Sunny
Monday Night
Low: 16 °F
Partly Cloudy
Tuesday
High: 42 °F
Mostly Sunny
Tuesday Night
Low: 26 °F
Mostly Cloudy
Wednesday
High: 56 °F
Mostly Sunny
Wednesday Night
Low: 35 °F
Chance Rain
Thursday
High: 49 °F
Rain/Snow
Likely then
Rain Likely

Detailed Forecast

Today

A slight chance of rain and snow between 2pm and 3pm, then a chance of rain. Mostly cloudy, with a high near 53. West southwest wind 5 to 7 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Tonight

Rain likely before 3am, then a chance of rain and snow. Cloudy, with a low around 34. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Monday

A slight chance of rain and snow before 8am, then a slight chance of snow between 8am and 9am. Mostly cloudy, with a temperature rising to near 40 by 11am, then falling to around 35 during the remainder of the day. West southwest wind 9 to 14 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 20%.

Monday Night

Partly cloudy, with a low around 16. Northwest wind 12 to 17 mph becoming light after midnight. Winds could gust as high as 29 mph.

Tuesday

Mostly sunny, with a high near 42. Light and variable wind becoming south southeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

Tuesday Night

Mostly cloudy, with a low around 26. Southeast wind 10 to 15 mph, with gusts as high as 24 mph.

Wednesday

Mostly sunny, with a high near 56. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.

Wednesday Night

A chance of rain, mainly after midnight. Mostly cloudy, with a low around 35. Southeast wind 11 to 14 mph, with gusts as high as 21 mph.

Thursday

Rain likely before 9am, then rain and snow likely between 9am and noon, then rain likely after noon. Mostly cloudy, with a high near 49.