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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.

67°F

19°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

16 Miles NW White Sulphur Springs MT

Tonight
Low: 45 °F
Mostly Clear
and Windy
Wednesday
High: 67 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 39 °F
Slight Chance
T-storms then
Mostly Clear
Thursday
High: 71 °F
Sunny
Thursday Night
Low: 41 °F
Mostly Clear
Juneteenth
High: 76 °F
Mostly Sunny
Friday Night
Low: 45 °F
Partly Cloudy
Saturday
High: 76 °F
Partly Sunny
then Chance
T-storms
Saturday Night
Low: 44 °F
Chance
T-storms then
Mostly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 45. Windy, with a west northwest wind 24 to 34 mph decreasing to 9 to 19 mph. Winds could gust as high as 55 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 67. Northwest wind 5 to 15 mph, with gusts as high as 28 mph.

Wednesday Night

A slight chance of showers and thunderstorms between 8pm and 9pm. Partly cloudy, with a low around 39. North northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 20%.

Thursday

Sunny, with a high near 71. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

Thursday Night

Mostly clear, with a low around 41. North northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

Juneteenth

Mostly sunny, with a high near 76. Calm wind becoming east around 5 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 45. Northeast wind 7 to 9 mph becoming southeast after midnight.

Saturday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. Light and variable wind becoming west 5 to 8 mph in the afternoon.

Saturday Night

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.

Sunday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 71.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.

Monday

A chance of showers and thunderstorms. Mostly sunny, with a high near 70.

Monday Night

Mostly clear, with a low around 41.

Tuesday

Sunny, with a high near 77.