– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Thu 30 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Thu 30 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 12°C on Thu night, min 5°C on Sun morning). Winds increasing (light winds from the E on Fri afternoon, near gales from the WSW by Sat afternoon).											Days 5–7 Weather Summary Mostly dry. Very mild (max 12°C on Wed morning, min 6°C on Sun afternoon). Winds decreasing (strong winds from the WNW on Sun night, calm by Tue afternoon).
	Thu 30		Friday 31			Saturday 1			Sunday 2			Monday 3			Tuesday 4
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	7850					9300		1750
km/h	S	SW	S	E	SW	WSW	WSW	W	W	WSW	WNW	NNW	W	WNW	ENE	SW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	10	12	11	12	12	9	8	9	6	7	7	7	6	8	9	10	11
min °C	9	10	11	12	10	8	7	7	5	6	6	6	6	7	8	8	10
chill °C	7	7	8	11	5	2	1	2	0	3	0	3	5	4	7	8	9

Freezing level m	4500	4900	4750	5100	5050	4600	4650	4600	4150	4350	4250	4150	4200	4350	4550	4700	4850

	—	—	5:52	—	—	5:54	—	—	5:54	—	—	5:56	—	—	5:56	—	—
	—	8:32	—	—	8:31	—	—	8:30	—	—	8:30	—	—	8:29	—	—	8:27

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 12°C on Thu night, min 5°C on Sun morning). Winds increasing (light winds from the E on Fri afternoon, near gales from the WSW by Sat afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 12°C on Wed morning, min 6°C on Sun afternoon). Winds decreasing (strong winds from the WNW on Sun night, calm by Tue afternoon).

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. 44 minutes ago	26° C	Dry	Calm (3 kph at 309).
Bend 34 km E 1147m alt. 1 hour ago	27° C	Dry	Light winds from the NNE (6 kph at 22).
Bend 34 km E 1164.6m alt. 1 hour ago	30° C	Dry	Light winds from the N (10 kph at 8).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	26° C	Clear	Moderate winds from the NNE (22 kph at 20).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	20° C	Dry	Light winds from the WNW (6 kph at 301).
Bend 37 km SSE 1297m alt. 1 hour ago	25° C	Dry	Wind obs. (6 kph from 360 degs) was rejected.
Bend 37 km ESE 1158m alt. 43 minutes ago	27° C	Dry	Calm (3 kph at 324).
Camp Sherman 39 km NNE 920.5m alt. 45 minutes ago	26° C	Dry	Calm (3 kph at 166).
Deschutes River Woods wx 40 km ESE 1185m alt. 30 minutes ago	27° C	Dry	Light winds from the NNW (10 kph at 340).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	18° C	Dry	Moderate winds from the SW (26 kph at 235).

* 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.