– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 am Sun 13 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Sun 13 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 4°C on Mon night, min -7°C on Sun morning). Winds decreasing (near gales from the NNW on Sun night, calm by Mon afternoon).									Days 4–6 Weather Summary Mostly dry. Mild temperatures (max 6°C on Fri night, min 1°C on Wed morning). Winds decreasing (strong winds from the ESE on Wed morning, light winds from the WNW by Fri night).
	Sunday 13			Monday 14			Tuesday 15			Wednesday 16			Thursday 17			Friday 18
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	cloudy	clear	clear	clear	clear	some clouds	cloudy	some clouds	clear	clear	rain shwrs	light rain	some clouds	rain shwrs	clear	clear	clear
Cloud base (m)	1800	1850	1800				5400	3500	3050			5250	5050	5250	4400
km/h	W	WNW	NW	NNW	SE	WNW	W	SW	SSE	ESE	SE	ESE	E	N	N	NW	WNW	W
See all weather maps
cm	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	0.3	0.3	—	0.1	—	—	—
max °C	-6	-4	1	3	2	4	3	1	0	1	3	5	5	4	4	4	5	6
min °C	-7	-5	-1	1	2	4	2	0	-1	1	2	4	5	3	3	4	4	5
chill °C	-18	-15	-10	-4	2	0	-3	-3	-7	-6	-3	-1	0	-2	-3	0	0	3

Freezing level m	2100	2450	3150	3550	3550	3750	3500	3100	3050	3300	3600	3750	3750	3600	3700	3750	3950	4000

	6:43	—	—	6:43	—	—	6:45	—	—	6:46	—	—	6:48	—	—	6:48	—	—
	—	7:21	—	—	7:19	—	—	7:17	—	—	7:15	—	—	7:14	—	—	7:12	—

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 Mon night, min -7°C on Sun morning). Winds decreasing (near gales from the NNW on Sun night, calm by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 6°C on Fri night, min 1°C on Wed morning). Winds decreasing (strong winds from the ESE on Wed morning, light winds from the WNW by Fri 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	14°C	Dry	Calm (2 kph at 280).
Bend 34 km E 1147m alt. 57 minutes ago	14°C	Dry	Wind obs. (6 kph from 310 degs) was rejected.
Bend 34 km E 1164.6m alt. 2 hours ago	14°C	Dry	Light winds from the SW (10 kph at 223).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	11°C	Dry and cloudy.	Light winds from the W (15 kph at 280).	14 km Low: broken Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 3 hours ago	6°C	Dry	Calm (3 kph at 242).
Bend 37 km SSE 1297m alt. 55 minutes ago	11°C	Dry	Calm (5 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	16°C	Dry	Calm (2 kph at 183).
Deschutes River Woods wx 40 km ESE 1185m alt. 56 minutes ago	13°C	Dry	Light winds from the W (8 kph at 278).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	7°C	Dry	Light winds from the WSW (11 kph at 254).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	16°C	Dry	Wind obs. (6 kph from 210 degs) was rejected.

* 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.