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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.

53°F

12°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

23 Miles WNW Augusta MT

Tonight
Low: 39 °F
Partly Cloudy
Juneteenth
High: 67 °F
Partly Sunny
Friday Night
Low: 42 °F
Partly Cloudy
Saturday
High: 75 °F
Mostly Sunny
then Slight
Chance
T-storms
Saturday Night
Low: 43 °F
Slight Chance
Showers then
Mostly Clear
Sunday
High: 64 °F
Sunny then
Chance
T-storms
Sunday Night
Low: 40 °F
Chance
Showers then
Mostly Cloudy
Monday
High: 62 °F
Slight Chance
Showers then
Chance
T-storms
Monday Night
Low: 39 °F
Mostly Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 39. East southeast wind around 5 mph becoming calm after midnight.

Juneteenth

Partly sunny, with a high near 67. Calm wind becoming east 5 to 8 mph in the morning. Winds could gust as high as 18 mph.

Friday Night

Partly cloudy, with a low around 42. East wind 5 to 8 mph becoming calm in the evening.

Saturday

A slight chance of showers between 1pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 75. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

Saturday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 22 mph.

Sunday

A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. Calm wind becoming west northwest around 6 mph in the afternoon.

Sunday Night

A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40. North wind around 6 mph becoming calm in the evening.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 62. Calm wind becoming east around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 39.

Tuesday

Sunny, with a high near 72.

Tuesday Night

Mostly clear, with a low around 44.

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.

Wednesday Night

Partly cloudy, with a low around 46.

Thursday

Mostly sunny, with a high near 78.