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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.

61°F

16°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

31 Miles WNW Augusta MT

Juneteenth
High: 59 °F
Partly Sunny
Tonight
Low: 40 °F
Mostly Clear
Saturday
High: 64 °F
Mostly Sunny
Saturday Night
Low: 42 °F
Mostly Clear
Sunday
High: 55 °F
Sunny then
Chance
Showers
Sunday Night
Low: 38 °F
Chance
Showers then
Mostly Cloudy
Monday
High: 53 °F
Chance
Showers then
Chance
T-storms
Monday Night
Low: 36 °F
Mostly Clear
Tuesday
High: 62 °F
Sunny

Detailed Forecast

Juneteenth

Partly sunny, with a high near 59. Southeast wind around 10 mph, with gusts as high as 21 mph.

Tonight

Mostly clear, with a low around 40. Southeast wind 5 to 10 mph becoming light and variable. Winds could gust as high as 21 mph.

Saturday

Mostly sunny, with a high near 64. West wind 6 to 16 mph, with gusts as high as 30 mph.

Saturday Night

Mostly clear, with a low around 42. West wind 8 to 17 mph, with gusts as high as 31 mph.

Sunday

A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 55. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 38. West northwest wind 6 to 11 mph becoming east northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

Monday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 53. East wind around 7 mph becoming north northwest in the afternoon. Chance of precipitation is 40%.

Monday Night

Mostly clear, with a low around 36. North northeast wind 5 to 9 mph becoming south after midnight.

Tuesday

Sunny, with a high near 62.

Tuesday Night

Mostly clear, with a low around 41.

Wednesday

Mostly sunny, with a high near 67.

Wednesday Night

Partly cloudy, with a low around 46.

Thursday

Mostly sunny, with a high near 68.