South Sister Volcano
Weather Forecast, United States

Issued: 9 pm Wed 17 Dec Local Time

Updates in:

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South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Moderate rain (total 14mm) on Thu morning. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 2°C on Thu morning, min -10°C on Fri afternoon). Winds decreasing (extremely windy from the WSW on Thu afternoon, fresh winds from the WSW by Sat morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -3°C on Sun morning, min -8°C on Sun night). Winds decreasing (gales from the WSW on Sun night, light winds from the SSE by Tue 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.