– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Tue 08 Sep Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Tue 08 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 11°C on Wed afternoon, min 4°C on Thu night). Winds increasing (calm on Tue afternoon, gales from the W by Thu night).											Days 5–7 Weather Summary A light covering of new snow mostly falling on Sat afternoon. Freeze-thaw conditions (max 3°C on Fri afternoon, min -7°C on Sat morning). Winds decreasing (strong winds from the NNE on Sat night, calm by Sun night).
	Tue 8		Wednesday 9			Thursday 10			Friday 11			Saturday 12			Sunday 13
	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	some clouds	some clouds	light snow	light snow	some clouds	clear	some clouds	clear
Cloud base (m)							9450	2000	6900	6250		2150	1800	1850		3500
km/h	SSW	WSW	W	WSW	W	W	W	WNW	W	SW	SW	ESE	NW	NNE	N	E	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	1	4	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	6	8	9	11	11	8	6	5	4	3	2	-4	-5	-1	-1	1	2
min °C	5	7	9	9	9	7	6	4	4	3	-2	-7	-6	-4	-1	0	1
chill °C	4	4	6	7	4	2	1	-1	-1	-2	-9	-11	-12	-13	-7	-2	0

Freezing level m	4000	4350	4550	4750	4700	4250	4150	3900	3700	3650	3100	2250	2250	2800	3050	3250	3500

	—	—	6:37	—	—	6:39	—	—	6:41	—	—	6:41	—	—	6:43	—	—
	7:30	—	—	7:29	—	—	7:27	—	—	7:24	—	—	7:22	—	—	7:21	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 11°C on Wed afternoon, min 4°C on Thu night). Winds increasing (calm on Tue afternoon, gales from the W by Thu night).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Sat afternoon. Freeze-thaw conditions (max 3°C on Fri afternoon, min -7°C on Sat morning). Winds decreasing (strong winds from the NNE on Sat night, calm 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. 1 hour ago	17°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 1 hour ago	19°C	Dry	Calm (3 kph at 27).
Bend 34 km E 1164.6m alt. 2 hours ago	21°C	Dry	Calm (0 kph at 45).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	19°C	Clear	Light winds from the N (9 kph at 0).	14 km
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	21°C	Clear	Light winds from the N (13 kph at 0).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 56 minutes ago	12°C	Dry	Calm (0 kph at 59).
Bend 37 km SSE 1297m alt. 1 hour ago	18°C	Dry	Calm (3 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	19°C	Dry	Calm (0 kph at 327).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	19°C	Dry	Calm (2 kph at 347).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	18°C	Dry	Calm (2 kph at 24).

* 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.