South Sister Volcano
Weather Forecast, United States

Issued: 4 am Tue 01 Sep Local Time

Updates in:

hr min s

Update imminent 

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Drizzle on Tue afternoon followed by colder weather and a heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 8°C on Tue morning, min -2°C on Thu night). Winds increasing (light winds from the S on Tue afternoon, near gales from the SW by Wed afternoon).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Fri night. Becoming milder with moderate rain (total 14mm) heaviest on Sun night. Freeze-thaw conditions (max 6°C on Sun afternoon, min -1°C on Fri morning). Wind will be generally light.

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.