– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Tue 28 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Tue 28 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 6°C on Thu afternoon, min -2°C on Tue morning). Wind will be generally light.									Days 4–6 Weather Summary Heavy rain (total 26mm), heaviest during Sat afternoon. Mild temperatures (max 8°C on Sun afternoon, min 3°C on Fri night). Winds increasing (light winds from the SSW on Fri afternoon, fresh winds from the E by Sun night).
	Tuesday 28			Wednesday 29			Thursday 30			Friday 1			Saturday 2			Sunday 3
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	clear	clear	some clouds	clear	clear	some clouds	some clouds	clear	light rain	mod. rain	light rain	risk tstorm	rain shwrs	some clouds	risk tstorm	risk tstorm
km/h	WNW	W	NW	NE	NNW	ENE	E	SW	SSW	SSW	SW	SSE	SSE	SE	SE	SE	ESE	E
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	0.1	8	1.1	7	6	—	0.4	4
max °C	-1	0	-1	0	3	1	4	6	5	5	7	4	5	5	4	7	8	7
min °C	-2	0	-2	-1	3	1	2	6	4	4	6	3	4	4	4	6	8	5
chill °C	-7	-4	-7	-3	3	0	-1	6	2	0	4	0	0	2	2	2	5	1

Freezing level m	2400	2550	1750	2550	2800	2750	3000	3250	3200	3100	3300	3200	3150	3150	3350	3400	3500	3550
Cloud base (m)		3700	1800	2250	3100		9150	3700		8900	3350	2000		2400		5800	3000	4000

	6:03	—	—	6:01	—	—	6:00	—	—	5:58	—	—	5:56	—	—	5:56	—	—
	—	—	8:06	—	—	8:07	—	—	8:07	—	—	8:09	—	—	8:10	—	—	8:12

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 6°C on Thu afternoon, min -2°C on Tue morning). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

Heavy rain (total 26mm), heaviest during Sat afternoon. Mild temperatures (max 8°C on Sun afternoon, min 3°C on Fri night). Winds increasing (light winds from the SSW on Fri afternoon, fresh winds from the E by Sun night).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 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. 40 minutes ago	18° C	Dry	Calm (5 kph at 261).
Bend 34 km E 1164.6m alt. 53 minutes ago	18° C	Dry	Light winds from the NE (6 kph at 46).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	14° C	Clear	Light winds from the SW (15 kph at 230).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	11° C	Dry	Light winds from the WSW (6 kph at 257).
Bend 37 km SSE 1297m alt. 1 hour ago	15° C	Dry	Wind obs. (6 kph from 360 degs) was rejected.
Bend 37 km ESE 1158m alt. 40 minutes ago	17° C	Dry	Calm (2 kph at 317).
Camp Sherman 39 km NNE 920.5m alt. 44 minutes ago	17° C	Dry	Wind obs. (8 kph from 42 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	16° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	8° C	Dry	Light winds from the W (8 kph at 277).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	18° C	Dry	Calm (3 kph at 226).

* 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.