– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Fri 01 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Fri 01 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Fri night. Becoming milder with light rain (total 3mm) on Sun night. Freeze-thaw conditions (max 3°C on Sun afternoon, min 0°C on Fri night). Winds decreasing (fresh winds from the S on Fri night, calm by Sun afternoon).											Days 5–7 Weather Summary Light rain (total 2mm), mostly falling on Mon afternoon. Mild temperatures (max 5°C on Wed afternoon, min 2°C on Mon afternoon). Winds increasing (calm on Tue afternoon, strong winds from the WNW by Wed night).
	Fri 1		Saturday 2			Sunday 3			Monday 4			Tuesday 5			Wednesday 6
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	light snow	cloudy	cloudy	some clouds	clear	rain shwrs	rain shwrs	clear	risk tstorm	rain shwrs	clear	some clouds	clear	clear	clear	clear
km/h	S	S	SSE	SE	SSE	SSE	S	NE	NE	NNE	NE	NE	NW	WNW	WNW	W	WNW
See all weather maps
cm	—	5	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.1	—	—	—	—	—	0.4	3	—	1.9	0.1	—	—	—	—	—	—
max °C	2	2	1	1	2	2	3	3	1	2	3	3	3	4	4	5	5
min °C	2	0	1	1	1	2	3	2	1	2	2	3	2	4	4	4	4
chill °C	-3	-7	-5	-4	-5	-2	3	-3	-4	-2	-4	-1	2	1	0	-1	-2

Freezing level m	3450	3250	3250	3350	3400	3400	3550	3400	3350	3450	3500	3550	3650	3700	3750	3850	3750
Cloud base (m)	4050	2700	4450		6700	9050		7400	3300	3400	1800	1800	3050

	—	—	5:56	—	—	5:56	—	—	5:54	—	—	5:52	—	—	5:52	—	—
	—	8:09	—	—	8:10	—	—	8:12	—	—	8:13	—	—	8:14	—	—	8:15

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Fri night. Becoming milder with light rain (total 3mm) on Sun night. Freeze-thaw conditions (max 3°C on Sun afternoon, min 0°C on Fri night). Winds decreasing (fresh winds from the S on Fri night, calm by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

Light rain (total 2mm), mostly falling on Mon afternoon. Mild temperatures (max 5°C on Wed afternoon, min 2°C on Mon afternoon). Winds increasing (calm on Tue afternoon, strong winds from the WNW by Wed 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 (2 kph at 292).
Bend 34 km E 1164.6m alt. 41 minutes ago	18° C	Dry	Wind obs. (6 kph from 25 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	17° C	Dry and partly cloudy.	Light winds from the N (19 kph at 10).	16 km Low: scattered Mid: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 58 minutes ago	11° C	Dry	Calm (2 kph at 329).
Bend 37 km SSE 1297m alt. 42 minutes ago	14° C	Dry	Calm (3 kph at 334).
Bend 37 km ESE 1158m alt. 1 hour ago	19° C	Dry	Calm (0 kph at 319).
Camp Sherman 39 km NNE 920.5m alt. 34 minutes ago	16° C	Dry	Calm (0 kph at 54).
Deschutes River Woods wx 40 km ESE 1185m alt. 56 minutes ago	18° C	Dry	Calm (5 kph at 324).
Rainbow wx 41 km WSW 410m alt. 37 minutes ago	10° C	Dry	Wind obs. (21 kph from 206 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 1 hour ago	20° C	Dry	Calm (0 kph at 0).

* 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.