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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

BOULDER MOUNTAIN (BOMM8)

Lat: 46.5596°NLon: 111.28973°WElev: 7950.0ft.

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

18 Miles NNE Winston MT

Today
High: 71 °F
Partly Sunny
then Slight
Chance
T-storms
Tonight
Low: 48 °F
Chance
Showers
Sunday
High: 66 °F
Sunny
Sunday Night
Low: 43 °F
Partly Cloudy
Monday
High: 60 °F
Mostly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 41 °F
Mostly Clear
Tuesday
High: 69 °F
Sunny
Tuesday Night
Low: 46 °F
Partly Cloudy
Wednesday
High: 74 °F
Mostly Sunny

Detailed Forecast

Today

A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 71. East wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 20%.

Tonight

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Southwest wind 7 to 9 mph becoming west northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 30%.

Sunday

Sunny, with a high near 66. West wind 7 to 11 mph, with gusts as high as 21 mph.

Sunday Night

Partly cloudy, with a low around 43. Northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 23 mph.

Monday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60. North northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.

Monday Night

Mostly clear, with a low around 41. North wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 23 mph.

Tuesday

Sunny, with a high near 69. Light and variable wind.

Tuesday Night

Partly cloudy, with a low around 46. North northeast wind 5 to 7 mph becoming calm after midnight.

Wednesday

Mostly sunny, with a high near 74.

Wednesday Night

Mostly clear, with a low around 50.

Thursday

Mostly sunny, with a high near 77.