– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Tue 26 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Tue 26 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 25mm), heaviest during Thu night. Freeze-thaw conditions (max 10°C on Wed afternoon, min -5°C on Tue morning). Winds decreasing (near gales from the NE on Tue night, calm by Thu night).									Days 4–6 Weather Summary Light rain (total 2mm), mostly falling on Fri morning. Freeze-thaw conditions (max 2°C on Fri morning, min -3°C on Sat night). Wind will be generally light.
	Tuesday 26			Wednesday 27			Thursday 28			Friday 29			Saturday 30			Sunday 31
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	cloudy	cloudy	some clouds	clear	clear	rain shwrs	risk tstorm	heavy rain	light rain	light rain	rain shwrs	some clouds	some clouds	clear	clear	clear	clear
km/h	NNE	NNW	NE	NE	NNE	E	ENE	N	NNE	W	WNW	W	WSW	SW	WNW	NW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	0.1	5	20	1.1	0.8	0.1	—	—	—	—	—	—
max °C	-4	-3	4	6	10	8	10	9	5	2	2	2	1	1	0	0	2	2
min °C	-5	-3	-3	4	9	7	8	7	3	2	2	1	1	0	-3	-2	1	1
chill °C	-10	-7	-9	-2	5	3	5	5	0	1	-2	-3	-4	-5	-8	-6	-1	-4

Freezing level m	1950	2200	2950	3600	3800	3700	3700	3600	3300	3050	3100	3100	2600	2600	1750	2550	2750	2800
Cloud base (m)	1850	1950	1800	2000	9450	8850	6250	2800	1900	1950	1800	1800	1850	2350	1800

	5:30	—	—	5:30	—	—	5:28	—	—	5:28	—	—	5:28	—	—	5:26	—	—
	—	—	8:37	—	—	8:37	—	—	8:38	—	—	8:39	—	—	8:40	—	—	8:42

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Heavy rain (total 25mm), heaviest during Thu night. Freeze-thaw conditions (max 10°C on Wed afternoon, min -5°C on Tue morning). Winds decreasing (near gales from the NE on Tue night, calm by Thu night).

South Sister Volcano Weather (Days 3-6):

Light rain (total 2mm), mostly falling on Fri morning. Freeze-thaw conditions (max 2°C on Fri morning, min -3°C on Sat night). Wind will be generally light.

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. 1 hour ago	7° C	Dry	Calm (2 kph at 0).
Bend 34 km E 1147m alt. 2 hours ago	2° C	-	Calm (2 kph at 318).
Bend 34 km E 1164.6m alt. 53 minutes ago	6° C	Dry	Calm (2 kph at 174).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	4° C	Dry and partly cloudy.	Wind obs. (13 kph from 200 degs) was rejected.	14 km Low: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	1° C	-	Calm (0 kph at 302).
Bend 37 km SSE 1297m alt. 37 minutes ago	7° C	Dry	Wind obs. (8 kph from 360 degs) was rejected.
Bend 37 km ESE 1158m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 223).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	7° C	Dry	Calm (2 kph at 231).
Rainbow wx 41 km WSW 410m alt. 21 minutes ago	3° C	Dry	Calm (3 kph at 281).
Cloverdale wx 42 km NE 947m alt. 29 minutes ago	11° C	Dry	Calm (2 kph at 57).

* 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.