– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Mon 11 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Mon 11 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mild with light rain (total 3mm) on Tue night Becoming colder with a light covering of snow, mostly falling on Wed morning. Freeze-thaw conditions (max 13°C on Tue afternoon, min -5°C on Wed morning). Winds increasing (light winds from the SSE on Tue afternoon, near gales from the W by Wed morning).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Thu afternoon, min -5°C on Fri night). Winds decreasing (strong winds from the W on Thu night, light winds from the NNW by Sun morning).
	Mon 11		Tuesday 12			Wednesday 13			Thursday 14			Friday 15			Saturday 16
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	rain shwrs	some clouds	snow shwrs	light snow	some clouds	some clouds	clear	clear	some clouds	clear	some clouds	some clouds	cloudy	some clouds	some clouds
km/h	WSW	SSW	S	SSE	SSW	W	W	WNW	WNW	W	W	W	W	W	WNW	WNW	NW
See all weather maps
cm	—	—	—	—	1	4	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	0.1	—	3	—	—	—	—	—	—	—	—	—	—	—	—
max °C	12	10	12	13	8	-4	0	1	3	4	2	1	2	-1	-5	-4	-5
min °C	11	9	10	12	0	-5	-2	0	2	4	0	0	1	-5	-5	-5	-5
chill °C	9	6	8	11	-9	-16	-10	-7	-3	-1	-7	-7	-6	-14	-13	-12	-12

Freezing level m	4000	4100	4000	4000	3200	1800	2600	1500	2950	2900	2750	2700	2550	1350	1850	1950	1450
Cloud base (m)	9300		9200	8800	2100	1850	1850	1800			2050			1850	1850	2050	1800

	—	—	5:43	—	—	5:43	—	—	5:41	—	—	5:41	—	—	5:39	—	—
	—	8:21	—	—	8:22	—	—	8:23	—	—	8:24	—	—	8:25	—	—	8:27

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mild with light rain (total 3mm) on Tue night Becoming colder with a light covering of snow, mostly falling on Wed morning. Freeze-thaw conditions (max 13°C on Tue afternoon, min -5°C on Wed morning). Winds increasing (light winds from the SSE on Tue afternoon, near gales from the W by Wed morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 4°C on Thu afternoon, min -5°C on Fri night). Winds decreasing (strong winds from the W on Thu night, light winds from the NNW 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	11° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 1 hour ago	16° C	Dry	Calm (2 kph at 356).
Bend 34 km E 1164.6m alt. 1 hour ago	18° C	Dry	Calm (2 kph at 10).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	13° C	Clear	Light winds from the NNE (11 kph at 20).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	12° C	Dry	Calm (2 kph at 201).
Bend 37 km SSE 1297m alt. 57 minutes ago	13° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	18° C	Dry	Calm (0 kph at 329).
Camp Sherman 39 km NNE 920.5m alt. 44 minutes ago	11° C	Dry	Calm (0 kph at 304).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	16° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	17° C	Dry	Calm (5 kph at 76).

* 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.