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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

GIBSON DAM WEATHER STATION NEAR AUGUSTA 19WNW (GDMM8)

Lat: 47.60111°NLon: 112.75472°WElev: 4604.0ft.

57°F

14°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

25 Miles NW Augusta MT

This Afternoon
High: 51 °F
Chance
Showers
Tonight
Low: 37 °F
Chance
Showers then
Mostly Cloudy
Juneteenth
High: 55 °F
Partly Sunny
Friday Night
Low: 41 °F
Partly Cloudy
Saturday
High: 61 °F
Mostly Sunny
Saturday Night
Low: 41 °F
Partly Cloudy
Sunday
High: 51 °F
Mostly Sunny
then Chance
Showers
Sunday Night
Low: 35 °F
Chance
Showers then
Mostly Cloudy
Monday
High: 52 °F
Mostly Sunny
then Chance
Showers

Detailed Forecast

This Afternoon

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 51. West northwest wind around 11 mph, with gusts as high as 18 mph.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 37. Northwest wind 5 to 10 mph becoming light and variable after midnight.

Juneteenth

Partly sunny, with a high near 55. East southeast wind 5 to 13 mph, with gusts as high as 23 mph.

Friday Night

Partly cloudy, with a low around 41. Southeast wind 5 to 13 mph becoming west northwest after midnight. Winds could gust as high as 23 mph.

Saturday

Mostly sunny, with a high near 61. West wind 6 to 14 mph, with gusts as high as 23 mph.

Saturday Night

Partly cloudy, with a low around 41. West wind 8 to 16 mph, with gusts as high as 28 mph.

Sunday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 51. West northwest wind 7 to 10 mph.

Sunday Night

A chance of showers before midnight. Mostly cloudy, with a low around 35. North northwest wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.

Monday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 52.

Monday Night

Partly cloudy, with a low around 39.

Tuesday

Sunny, with a high near 61.

Tuesday Night

Partly cloudy, with a low around 44.

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 60.