South Sister Volcano Weather Forecast

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Light rain (total 5mm) at first, then becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 9°C on Thu night, min -2°C on Fri morning). Winds decreasing (gales from the WSW on Fri morning, calm by Sat morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 7°C on Mon afternoon, min 2°C on Sun night). Winds increasing (light winds from the WNW on Mon afternoon, fresh winds from the W 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.