– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sun 19 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sun 19 Jul Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Some drizzle, heaviest during Mon morning. Very mild (max 17°C on Sun afternoon, min 11°C on Mon morning). Winds increasing (calm on Sun afternoon, fresh winds from the S by Mon morning).											Days 5–7 Weather Summary Moderate rain (total 18mm), heaviest on Wed afternoon. Very mild (max 17°C on Wed afternoon, min 10°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the SW by Thu night).
	Sun 19		Monday 20			Tuesday 21			Wednesday 22			Thursday 23			Friday 24
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	light rain	light rain	some clouds	rain shwrs	rain shwrs	clear	rain shwrs	risk tstorm	rain shwrs	risk tstorm	clear	clear	clear	clear	clear
Cloud base (m)	9450	7000	2550	2950	4600	4350	4100	8850	4650	2100	4350
km/h	SE	S	SSW	SW	S	SW	SSW	S	S	WSW	SE	SSW	SW	SW	SW	W	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	0.8	0.3	—	0.2	0.2	—	0.2	16	1.8	0.2	—	—	—	—	—
max °C	17	15	13	12	13	14	16	15	17	17	13	15	16	15	11	12	11
min °C	17	14	11	12	12	13	15	14	16	14	13	14	15	10	11	11	10
chill °C	17	13	8	10	11	11	15	14	16	13	12	12	14	6	8	8	7

Freezing level m	4750	4850	4600	4600	4750	4700	4800	4850	4800	4800	4650	4450	4550	4600	4100	4050	4550

	—	—	5:41	—	—	5:43	—	—	5:43	—	—	5:45	—	—	5:46	—	—
	—	8:45	—	—	8:44	—	—	8:43	—	—	8:42	—	—	8:40	—	—	8:39

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Some drizzle, heaviest during Mon morning. Very mild (max 17°C on Sun afternoon, min 11°C on Mon morning). Winds increasing (calm on Sun afternoon, fresh winds from the S by Mon morning).

South Sister Volcano Weather (Days 3-6):

Moderate rain (total 18mm), heaviest on Wed afternoon. Very mild (max 17°C on Wed afternoon, min 10°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the SW by Thu night).

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. 39 minutes ago	29° C	Dry	Calm (2 kph at 317).
Bend 34 km E 1147m alt. 34 minutes ago	29° C	Dry	Wind obs. (6 kph from 30 degs) was rejected.
Bend 34 km E 1164.6m alt. 1 hour ago	31° C	Dry	Calm (5 kph at 52).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	29° C	Clear	Moderate winds from the N (28 kph at 10).	11 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	26° C	Dry	Light winds from the WNW (8 kph at 300).
Bend 37 km SSE 1297m alt. 1 hour ago	29° C	Dry	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 49 minutes ago	29° C	Dry	Calm (2 kph at 310).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	31° C	Dry	Calm (5 kph at 2).
Deschutes River Woods wx 40 km ESE 1185m alt. 36 minutes ago	29° C	Dry	Light winds from the NNW (6 kph at 333).
Rainbow wx 41 km WSW 410m alt. 52 minutes ago	22° C	Dry	Wind obs. (14 kph from 202 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.