South Sister Volcano
Weather Forecast, United States

Issued: 10 am Sat 23 May Local Time

Updates in:

hr min s

Update imminent 

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 4°C on Sat afternoon, min -11°C on Mon night). Winds increasing (light winds from the WSW on Sat afternoon, severe gales from the SW by Mon morning).

South Sister Volcano Weather (Days 3-6):

A dusting of snow turning to light rain (total 5mm) on Thu night. Freeze-thaw conditions (max 5°C on Wed night, min -10°C on Tue morning). Winds increasing (light winds from the NNW on Tue morning, near gales from the NE by Wed morning).

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.