South Sister Volcano
Weather Forecast, United States

Issued: 4 pm Sun 19 Oct Local Time

Updates in:

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South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 9°C on Tue afternoon, min -3°C on Sun afternoon). Winds decreasing (near gales from the W on Sun afternoon, light winds from the N by Mon morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 5°C on Wed afternoon, min -7°C on Sat morning). Winds increasing (moderate winds from the WSW on Wed night, gales from the SW by Fri afternoon).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Sister Volcano. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Oregon.