– Lat/Long: 44.10° N 121.77° W

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

Issued: 10 pm Sun 10 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 4mm), mostly falling on Wed afternoon. Very mild (max 14°C on Tue afternoon, min 2°C on Wed afternoon). Mainly fresh winds.										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Thu afternoon, min -4°C on Fri night). Winds decreasing (strong winds from the WSW on Fri afternoon, light winds from the W by Sat afternoon).
		Monday 11			Tuesday 12			Wednesday 13			Thursday 14			Friday 15			Saturday 16
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

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

Freezing level m	3750	3800	4050	4100	4050	4150	3900	3300	3100	3150	3200	3200	2850	2450	2100	1450	2400	2450	1350
Cloud base (m)	9500	9400	9500		9200	4850	6700		1850	1800			5250	2500	2000	1800		5600	2400

	—	5:45	—	—	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: Light rain (total 4mm), mostly falling on Wed afternoon. Very mild (max 14°C on Tue afternoon, min 2°C on Wed afternoon). Mainly fresh winds.

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Thu afternoon, min -4°C on Fri night). Winds decreasing (strong winds from the WSW on Fri afternoon, light winds from the W by Sat afternoon).

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	2° C	-	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 2 hours ago	6° C	Dry	Calm (2 kph at 3).
Bend 34 km E 1164.6m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 119).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	3° C	Clear	Wind obs. (6 kph from 360 degs) was rejected.	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 32 minutes ago	-1° C	-	Calm (0 kph at 243).
Bend 37 km SSE 1297m alt. 48 minutes ago	1° C	-	Calm (0 kph at 252).
Bend 37 km ESE 1158m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 333).
Camp Sherman 39 km NNE 920.5m alt. 37 minutes ago	2° C	-	Calm (0 kph at 350).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	3° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	8° C	Dry	Wind obs. (10 kph from 44 degs) was rejected.

* 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.