– Lat/Long: 44.10° N 121.77° W
South Sister Volcano
Weather Forecast, United StatesIssued: 3 am Sat 17 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Sat 17 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Sat 17 Jan Local Time
Updates in:
Update imminent hr min s
3 South Sister Volcano Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Mild temperatures (max 5°C on Sat morning, min 2°C on Sun night). Wind will be generally light. | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Thu night. Freeze-thaw conditions (max 4°C on Tue morning, min -8°C on Thu night). Winds increasing (light winds from the NW on Wed morning, stormy winds from the WNW by Thu night). | |||||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | | | | | |  |  |  | |  | | |  | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | cloudy | cloudy | cloudy | some clouds | some clouds | snow shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 5 | 5 | 4 | 3 | 3 | 3 | 2 | 2 | 4 | 4 | 3 | 2 | 0 | 0 | -2 | -6 | -5 | -6 |
min °C | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 4 | 3 | 1 | 0 | -1 | -6 | -6 | -6 | -8 |
4 | 2 | -2 | 0 | -1 | -1 | -1 | -1 | 0 | 0 | -2 | -5 | -3 | -7 | -15 | -17 | -17 | -22 | |
3850 | 3800 | 3700 | 3550 | 3500 | 3450 | 3450 | 3400 | 3600 | 3700 | 3550 | 3450 | 3200 | 3100 | 2400 | 2100 | 2100 | 1200 | |
Cloud base (m) | 9150 | 8800 | 8950 | 8150 | 6400 | 5650 | 4450 | 4200 | 4500 | 1850 | ||||||||
 | 7:37 | — | — | 7:37 | — | — | 7:35 | — | — | 7:35 | — | — | 7:33 | — | — | 7:33 | — | — |
 | — | 4:57 | — | — | 4:58 | — | — | 4:59 | — | — | 5:00 | — | — | 5:01 | — | — | 5:02 | — |
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South Sister Volcano Weather (Days 0-3):
The weather forecast for South Sister Volcano is: Mostly dry. Mild temperatures (max 5°C on Sat morning, min 2°C on Sun night). Wind will be generally light.
South Sister Volcano Weather (Days 3-6):
A light covering of new snow mostly falling on Thu night. Freeze-thaw conditions (max 4°C on Tue morning, min -8°C on Thu night). Winds increasing (light winds from the NW on Wed morning, stormy winds from the WNW by Thu 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.
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