South Sister Volcano
Weather Forecast, United States

Issued: 4 pm Mon 25 May Local Time

Updates in:

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South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Tue night. Becoming milder with light rain (total 5mm) on Wed night. Freeze-thaw conditions (max 7°C on Thu morning, min -6°C on Mon night). Winds decreasing (strong winds from the SW on Mon afternoon, light winds from the N by Tue afternoon).

South Sister Volcano Weather (Days 3-6):

Heavy rain (total 23mm), mostly on Thu night. Becoming colder with a light covering of snow, mostly falling on Fri afternoon. Freeze-thaw conditions (max 7°C on Thu afternoon, min -2°C on Sat night). Winds decreasing (fresh winds from the NNW on Fri morning, light winds from the SW by Sun morning).

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.