– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Sat 18 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Sat 18 Jul Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 17°C on Sun afternoon, min 12°C on Sat night). Wind will be generally light.										Days 5–7 Weather Summary Moderate rain (total 12mm), heaviest on Wed afternoon. Very mild (max 16°C on Wed morning, min 10°C on Thu night). Winds increasing (calm on Tue night, fresh winds from the WSW by Thu night).
		Sunday 19			Monday 20			Tuesday 21			Wednesday 22			Thursday 23			Friday 24
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	cloudy	light rain	some clouds	some clouds	some clouds	rain shwrs	rain shwrs	mod. rain	rain shwrs	rain shwrs	risk tstorm	clear	clear	clear	clear
Cloud base (m)			9300	6850	3600	3050	4400	4500	4100	4900	4500	2300	4350						9100
km/h	WSW	SW	S	SSW	SW	SSW	E	SE	NW	SSE	SW	WSW	SSW	SSW	SW	WSW	SW	SW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	0.4	—	—	—	0.1	0.5	10	1.4	0.3	0.3	—	—	—	—
max °C	14	15	17	15	13	12	13	15	17	15	16	16	13	14	14	13	13	15	13
min °C	12	14	17	14	13	12	12	14	17	14	14	11	12	13	14	10	12	14	10
chill °C	9	12	17	13	13	10	12	14	17	14	13	8	10	11	13	7	10	12	7

Freezing level m	4650	4500	4800	4850	4600	4500	4700	4650	4850	4800	4650	4350	4500	4400	4450	4400	4250	4500	4500

	—	5:41	—	—	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: Mostly dry. Very mild (max 17°C on Sun afternoon, min 12°C on Sat night). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

Moderate rain (total 12mm), heaviest on Wed afternoon. Very mild (max 16°C on Wed morning, min 10°C on Thu night). Winds increasing (calm on Tue night, fresh winds from the WSW 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. 1 hour ago	7° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 51 minutes ago	10° C	Dry	Calm (2 kph at 299).
Bend 34 km E 1164.6m alt. 48 minutes ago	15° C	Dry	Light winds from the SW (6 kph at 232).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	7° C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 345).
Bend 37 km SSE 1297m alt. 2 hours ago	5° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 281).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 187).
Deschutes River Woods wx 40 km ESE 1185m alt. 50 minutes ago	9° C	Dry	Calm (0 kph at 0).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	14° C	Dry	Light winds from the E (6 kph at 86).

* 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.