– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Sun 16 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sun 16 Aug Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Some drizzle, heaviest during Sun night. Very mild (max 10°C on Tue night, min 5°C on Sun morning). Winds increasing (calm on Mon afternoon, fresh winds from the W by Tue night).									Days 4–6 Weather Summary Mostly dry. Very mild (max 13°C on Thu afternoon, min 7°C on Fri night). Winds increasing (light winds from the S on Thu afternoon, strong winds from the SSW by Fri morning).
	Sunday 16			Monday 17			Tuesday 18			Wednesday 19			Thursday 20			Friday 21
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	rain shwrs	rain shwrs	some clouds	light rain	rain shwrs	clear	clear	clear	some clouds	clear	clear	clear	clear	some clouds	cloudy	light rain	rain shwrs
Cloud base (m)	8000	4050	6400	6900	6200		9200	9450	9500					6650	6650	5050	4450
km/h	SSW	ESE	SSW	SSE	N	W	WSW	WSW	W	SW	SSW	SW	S	ESE	SE	SSW	SSE	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	0.1	0.9	—	0.1	0.2	—	—	—	—	—	—	—	—	—	—	0.5	0.3
max °C	5	7	8	8	9	8	8	8	10	10	10	11	11	13	12	12	10	11
min °C	5	7	8	8	8	8	7	7	9	10	10	11	11	12	12	11	10	7
chill °C	1	7	6	6	8	6	4	4	5	7	7	8	8	11	10	7	7	2

Freezing level m	4000	4200	4250	4300	4300	4300	4250	4500	4700	4650	4800	4800	4800	4950	4900	4700	4650	4300

	6:11	—	—	6:11	—	—	6:13	—	—	6:13	—	—	6:16	—	—	6:16	—	—
	—	—	8:09	—	—	8:07	—	—	8:07	—	—	8:05	—	—	8:04	—	—	8:01

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Some drizzle, heaviest during Sun night. Very mild (max 10°C on Tue night, min 5°C on Sun morning). Winds increasing (calm on Mon afternoon, fresh winds from the W by Tue night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 13°C on Thu afternoon, min 7°C on Fri night). Winds increasing (light winds from the S on Thu afternoon, strong winds from the SSW by Fri morning).

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. 52 minutes ago	18° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 36 minutes ago	16° C	Dry	Calm (5 kph at 226).
Bend 34 km E 1164.6m alt. 42 minutes ago	17° C	Dry	Calm (2 kph at 205).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	10° C	Clear	Light winds from the S (7 kph at 180).	13 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	12° C	Dry	Calm (3 kph at 297).
Bend 37 km SSE 1297m alt. 1 hour ago	15° C	Dry	Calm (0 kph at 9).
Bend 37 km ESE 1158m alt. 50 minutes ago	18° C	Dry	Calm (2 kph at 215).
Deschutes River Woods wx 40 km ESE 1185m alt. 37 minutes ago	17° C	Dry	Calm (3 kph at 278).
Rainbow wx 41 km WSW 410m alt. 49 minutes ago	14° C	Dry	Wind obs. (11 kph from 57 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 2 hours ago	16° C	Dry	Calm (0 kph at 286).

* 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.