– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Sat 06 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sat 06 Jun Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Mon afternoon. Temperatures will be below freezing (max -2°C on Sun afternoon, min -9°C on Sat morning). Winds increasing (light winds from the SW on Sun afternoon, severe gales from the WSW by Mon afternoon).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 6°C on Thu night, min -6°C on Tue morning). Winds decreasing (stormy winds from the WNW on Tue night, calm by Thu afternoon).
	Saturday 6			Sunday 7			Monday 8			Tuesday 9			Wednesday 10			Thursday 11
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	snow shwrs	snow shwrs	clear	cloudy	cloudy	light snow	heavy snow	mod. snow	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	W	W	NW	WNW	SSW	WSW	WSW	WSW	W	W	W	WNW	WNW	NNW	ENE	NNE	W	WNW
See all weather maps
cm	—	1	2	—	—	—	2	11	8	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-8	-8	-5	-5	-2	-4	-3	-2	-2	-6	-4	-2	-2	-5	2	4	4	6
min °C	-9	-8	-9	-5	-3	-6	-3	-3	-6	-6	-5	-3	-3	-5	-4	3	4	5
chill °C	-19	-17	-21	-14	-8	-15	-13	-14	-17	-17	-15	-14	-13	-15	-10	-1	4	3

Freezing level m	2000	2100	1550	2550	2800	2250	2600	2700	2450	2150	2450	2400	2250	2400	3450	3800	3850	4000
Cloud base (m)	1850	2100	1800		5250	2000	1800	1800	1800	1800	2000	1800	1800	1850

	5:24	—	—	5:24	—	—	5:24	—	—	5:22	—	—	5:22	—	—	5:22	—	—
	—	—	8:45	—	—	8:46	—	—	8:47	—	—	8:47	—	—	8:49	—	—	8:50

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Mon afternoon. Temperatures will be below freezing (max -2°C on Sun afternoon, min -9°C on Sat morning). Winds increasing (light winds from the SW on Sun afternoon, severe gales from the WSW by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 6°C on Thu night, min -6°C on Tue morning). Winds decreasing (stormy winds from the WNW on Tue night, calm by Thu afternoon).

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.

Live conditions reported by 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	11° C	Dry	Calm (5 kph at 303).
Bend 34 km E 1147m alt. 35 minutes ago	12° C	Dry	Calm (5 kph at 77).
Bend 34 km E 1164.6m alt. 29 minutes ago	13° C	Dry	Calm (5 kph at 321).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	9° C	Clear	Moderate winds from the W (22 kph at 260).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 40 minutes ago	3° C	Dry	Wind obs. (10 kph from 224 degs) was rejected.
Bend 37 km SSE 1297m alt. 31 minutes ago	11° C	Dry	Calm (5 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	12° C	Dry	Calm (2 kph at 254).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	12° C	Dry	Calm (5 kph at 218).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	13° C	Dry	Wind obs. (6 kph from 179 degs) was rejected.
La Pine 43 km SSE 1298m alt. 43 minutes ago	11° C	Dry	Calm (5 kph at 40).

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.