– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Tue 07 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Tue 07 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Temperatures will be below freezing (max 0°C on Tue night, min -3°C on Thu morning). Winds decreasing (near gales from the WNW on Tue night, calm by Wed night).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -2°C on Fri afternoon, min -8°C on Sat night). Winds increasing (calm on Sun morning, near gales from the WNW by Sun night).
	Tue 7		Wednesday 8			Thursday 9			Friday 10			Saturday 11			Sunday 12
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	some clouds	clear	some clouds	cloudy	light snow	snow shwrs	some clouds	light snow	snow shwrs	light snow	snow shwrs	snow shwrs	cloudy	some clouds	snow shwrs
km/h	W	WNW	W	W	WSW	SSE	E	SSE	S	SSE	S	SSW	SSE	SSE	NW	WNW	WNW
See all weather maps
cm	—	—	—	—	—	—	2	2	—	2	7	1	3	4	—	—	3
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	0	-1	-2	-1	-3	-2	-1	-2	-2	-3	-6	-6	-6	-8	-7	-7
min °C	-1	-1	-2	-2	-2	-3	-2	-3	-3	-3	-5	-6	-6	-8	-8	-8	-8
chill °C	-10	-9	-8	-7	-7	-8	-5	-8	-9	-6	-11	-13	-13	-11	-8	-17	-18

Freezing level m	3050	3150	2950	2950	2800	2750	2800	2950	2850	2800	2500	2200	2400	2000	1800	1800	1700
Cloud base (m)	7050	7200	4650	6700		2650	2400	3000	5800	2550	2300	1800	2100	1950	1800	1800	1800

	—	—	6:35	—	—	6:33	—	—	6:31	—	—	6:31	—	—	6:28	—	—
	7:40	—	—	7:42	—	—	7:43	—	—	7:44	—	—	7:45	—	—	7:46	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Temperatures will be below freezing (max 0°C on Tue night, min -3°C on Thu morning). Winds decreasing (near gales from the WNW on Tue night, calm by Wed night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -2°C on Fri afternoon, min -8°C on Sat night). Winds increasing (calm on Sun morning, near gales from the WNW by Sun 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.

Live conditions reported by 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 38 minutes ago	4° C	Dry	Calm (2 kph at 249).
Sunriver 34 km SE 1242m alt. 24 minutes ago		Dry
Bend 34 km E 1164.6m alt. 40 minutes ago	8° C	Dry	Calm (2 kph at 150).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	7° C	Dry and cloudy.	Wind obs. (20 kph from 190 degs) was rejected.	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 31 minutes ago	4° C	Dry	Wind obs. (6 kph from 319 degs) was rejected.
Bend 37 km SSE 1297m alt. 53 minutes ago	3° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 37 minutes ago	9° C	Dry	Calm (0 kph at 170).
Bend wx 39 km E 1118m alt. 2 hours ago	8° C	Dry	Calm (0 kph at 88).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	9° C	Dry	Calm (0 kph at 172).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 211).

* 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.