– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Mon 27 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Mon 27 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 6°C on Thu afternoon, min -4°C on Mon night). Wind will be generally light.										Days 5–7 Weather Summary A dusting of snow giving way to moderate rain (total 15mm) heaviest on Sat night. Mild temperatures (max 9°C on Sun afternoon, min 1°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the SE by Sun morning).
		Tuesday 28			Wednesday 29			Thursday 30			Friday 1			Saturday 2			Sunday 3
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	cloudy	clear	clear	cloudy	clear	clear	some clouds	clear	some clouds	light rain	snow shwrs	rain shwrs	risk tstorm	rain shwrs	clear	rain shwrs	rain shwrs
km/h	NW	WNW	W	NW	NNE	NNW	NE	E	W	SSW	SSW	SW	S	SSE	ESE	SE	SSE	E	E
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	4	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	2	5	0.7	2	4	—	0.1	2
max °C	-2	-1	0	-1	1	3	1	4	6	4	5	6	4	2	5	4	7	9	7
min °C	-4	-2	0	-2	-1	3	1	2	6	3	4	5	1	2	4	4	5	9	6
chill °C	-9	-7	-4	-7	-3	3	0	1	6	-1	0	2	-2	-1	1	1	0	7	2

Freezing level m	1550	2400	2550	1900	2600	2800	2700	3000	3150	3100	3100	3150	2900	2850	3050	3250	3350	3600	3500
Cloud base (m)				1800	1850	3200		9050	3700			3100	1800	2550	2600	7050	7000	4150	4250

	—	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 -4°C on Mon night). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

A dusting of snow giving way to moderate rain (total 15mm) heaviest on Sat night. Mild temperatures (max 9°C on Sun afternoon, min 1°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the SE by Sun morning).

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. 2 hours ago	3° C	Dry	Calm (0 kph at 317).
Bend 34 km E 1164.6m alt. 2 hours ago	7° C	Dry	Wind obs. (6 kph from 179 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	1° C	Clear	Light winds from the SSW (7 kph at 210).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 57 minutes ago	1° C	-	Calm (0 kph at 255).
Bend 37 km SSE 1297m alt. 1 hour ago	2° C	-	Calm (2 kph at 352).
Bend 37 km ESE 1158m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 325).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	5° C	Dry	Calm (0 kph at 0).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	2° C	-	Calm (2 kph at 334).
Rainbow wx 41 km WSW 410m alt. 50 minutes ago	4° C	Dry	Wind obs. (11 kph from 249 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 2 hours ago	8° C	Dry	Calm (0 kph at 264).

* 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.