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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.

40°F

4°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

5 Miles NNE Winston MT

Today
High: 64 °F
Slight Chance
Showers then
Showers
Likely
Tonight
Low: 44 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Wednesday
High: 56 °F
Slight Chance
T-storms and
Windy
Wednesday Night
Low: 44 °F
Chance
Showers and
Breezy
Thursday
High: 65 °F
Mostly Sunny
Thursday Night
Low: 45 °F
Mostly Clear
Friday
High: 71 °F
Sunny
Friday Night
Low: 46 °F
Mostly Clear
then Slight
Chance
Showers
Saturday
High: 68 °F
Slight Chance
Showers then
Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 64. South wind 8 to 13 mph becoming west northwest 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%.

Tonight

Partly cloudy, with a low around 44. Breezy, with a west northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 37 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 56. Windy, with a west northwest wind 13 to 18 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.

Wednesday Night

A 50 percent chance of showers. Mostly cloudy, with a low around 44. Breezy, with a west northwest wind 19 to 29 mph decreasing to 7 to 17 mph after midnight. Winds could gust as high as 48 mph.

Thursday

Mostly sunny, with a high near 65. West southwest wind 5 to 8 mph, with gusts as high as 21 mph.

Thursday Night

Mostly clear, with a low around 45. West northwest wind 9 to 14 mph becoming light southwest after midnight. Winds could gust as high as 25 mph.

Friday

Sunny, with a high near 71. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.

Friday Night

A slight chance of showers after midnight. Mostly clear, with a low around 46. Northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.

Saturday

A slight chance of showers before noon. Sunny, with a high near 68.

Saturday Night

Partly cloudy, with a low around 45.

Sunday

Mostly sunny, with a high near 71.

Sunday Night

Mostly clear, with a low around 46.

Monday

Mostly sunny, with a high near 74.