National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

GIBSON DAM WEATHER STATION NEAR AUGUSTA 19WNW (GDMM8)

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

NA

68°F

20°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

22 Miles NW Augusta MT

  • Tonight

    Tonight: Increasing clouds, with a low around 41. West wind 15 to 21 mph, with gusts as high as 30 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 56. Breezy, with a west wind 18 to 23 mph, with gusts as high as 33 mph.

    High: 56 °F

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. Breezy, with a west wind 16 to 23 mph, with gusts as high as 34 mph.

    Low: 42 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Memorial Day

    Memorial Day: Sunny, with a high near 63. Southwest wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 46. South wind 9 to 16 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 46 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm after noon. High near 57. West wind 9 to 13 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%.

    High: 57 °F

    Mostly Sunny
    then Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before midnight, then rain likely after midnight. Low around 42. Northwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    Low: 42 °F

    Showers

  • Wednesday

    Wednesday: Rain likely before noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 51. North wind around 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 41. West wind 15 to 21 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 56. Breezy, with a west wind 18 to 23 mph, with gusts as high as 33 mph.
Sunday Night
Mostly cloudy, with a low around 42. Breezy, with a west wind 16 to 23 mph, with gusts as high as 34 mph.
Memorial Day
Sunny, with a high near 63. Southwest wind 11 to 18 mph, with gusts as high as 28 mph.
Monday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 46. South wind 9 to 16 mph becoming west after midnight. Winds could gust as high as 25 mph.
Tuesday
Showers and possibly a thunderstorm after noon. High near 57. West wind 9 to 13 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before midnight, then rain likely after midnight. Low around 42. Northwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Wednesday
Rain likely before noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 51. North wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Thursday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 56.
Thursday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 47.
Friday
A chance of rain and thunderstorms. Partly sunny, with a high near 61.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 47.
Saturday
Rain likely and possibly a thunderstorm. Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NW Augusta MT
 47.68°N 112.78°W (Elev. 7385 ft)
Last Update:
4:21 pm MDT May 23, 2026
Forecast Valid:
5pm MDT May 23, 2026-6pm MDT May 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation