– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Sat 09 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sat 09 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 12°C on Mon afternoon, min 5°C on Sun night). Winds increasing (calm on Sat morning, fresh winds from the SW by Sun afternoon).									Days 4–6 Weather Summary Light rain (total 6mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 15°C on Tue afternoon, min -1°C on Thu night). Winds increasing (calm on Wed night, strong winds from the WNW by Thu night).
	Saturday 9			Sunday 10			Monday 11			Tuesday 12			Wednesday 13			Thursday 14
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	cloudy	some clouds	clear	clear	clear	rain shwrs	rain shwrs	clear	some clouds	rain shwrs	light rain	rain shwrs	some clouds	clear	some clouds
km/h	SSW	SW	SW	SW	WSW	WSW	SW	WSW	SSW	S	S	S	WSW	WNW	S	WNW	WNW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	0.1	0.1	—	—	0.6	3	2	—	—	—
max °C	9	11	9	8	8	6	9	12	10	13	15	12	10	8	6	4	4	2
min °C	7	10	7	8	8	5	7	11	9	11	15	10	8	7	3	3	3	-1
chill °C	5	10	3	4	4	1	4	9	7	9	14	7	6	6	0	0	-3	-9

Freezing level m	3750	3900	3850	3700	3650	3800	3800	4050	4100	4150	4300	4100	3750	3550	3450	3000	2950	2800
Cloud base (m)		8250	9450	6150	6200				8750	9100	5350	5450	4350	2800	2100	6300		1800

	5:48	—	—	5:46	—	—	5:45	—	—	5:43	—	—	5:43	—	—	5:41	—	—
	—	—	8:19	—	—	8:20	—	—	8:21	—	—	8:22	—	—	8:23	—	—	8:24

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 12°C on Mon afternoon, min 5°C on Sun night). Winds increasing (calm on Sat morning, fresh winds from the SW by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

Light rain (total 6mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 15°C on Tue afternoon, min -1°C on Thu night). Winds increasing (calm on Wed night, strong winds from the WNW 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	16° C	Dry	Calm (2 kph at 36).
Bend 34 km E 1147m alt. 1 hour ago	15° C	Dry	Calm (3 kph at 340).
Bend 34 km E 1164.6m alt. 1 hour ago	16° C	Dry	Calm (3 kph at 188).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	12° C	Clear	Wind obs. (9 kph from 1 degs) was rejected.	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	13° C	Dry	Wind obs. (6 kph from 86 degs) was rejected.
Bend 37 km SSE 1297m alt. 56 minutes ago	16° C	Dry	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	17° C	Dry	Calm (0 kph at 182).
Camp Sherman 39 km NNE 920.5m alt. 39 minutes ago	19° C	Dry	Calm (0 kph at 211).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	15° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 3 hours ago	11° C	Dry	Light winds from the ESE (13 kph at 105).

* 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.