South Sister Volcano
Weather Forecast, United States

Issued: 3 am Sat 13 Dec Local Time

Updates in:

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South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Light rain (total 6mm) at first, then becoming colder with a dusting of snow on Mon afternoon. Freeze-thaw conditions (max 9°C on Sat morning, min -1°C on Mon night). Winds increasing (moderate winds from the WSW on Sat morning, severe gales from the WSW by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -1°C on Tue morning, min -12°C on Tue night). Winds increasing (strong winds from the WSW on Wed night, extremely windy from the WSW by Thu 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.