South Sister Volcano
Weather Forecast, United States

Issued: 4 pm Sat 21 Mar Local Time

Updates in:

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Update imminent 

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Temperatures will be below freezing (max 0°C on Sun night, min -7°C on Sat afternoon). Winds increasing (light winds from the SW on Sun afternoon, stormy winds from the WSW by Tue morning).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Tue afternoon. Freeze-thaw conditions (max 2°C on Fri morning, min -14°C on Wed afternoon). Winds decreasing (extremely windy from the WSW on Tue night, calm by Thu afternoon).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 3157 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.