South Sister Volcano Weather Forecast

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 10°C on Tue night, min 9°C on Mon night). Winds increasing (light winds from the W on Mon night, fresh winds from the WSW by Wed morning).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 9°C on Thu night, min -11°C on Sat night). Winds decreasing (severe gales from the W on Fri night, light winds from the NNW by Sat night).

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.