– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Sun 21 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sun 21 Jun 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 15°C on Mon afternoon, min 8°C on Sun morning). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 7mm), mostly falling on Thu night. Freeze-thaw conditions (max 12°C on Wed afternoon, min -2°C on Fri night). Winds increasing (light winds from the SSW on Wed morning, near gales from the W by Thu night).
	Sunday 21			Monday 22			Tuesday 23			Wednesday 24			Thursday 25			Friday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	some clouds	some clouds	some clouds	mod. rain	light rain	light rain	cloudy
km/h	WNW	WNW	W	S	NNW	SSW	SW	W	SSW	SSW	WSW	W	W	WSW	W	WSW	WSW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	6	0.8	0.4	—
max °C	10	12	10	11	15	12	12	13	12	11	12	9	9	10	9	4	3	1
min °C	8	11	9	10	14	10	11	13	8	10	11	6	7	10	5	3	1	-2
chill °C	6	11	7	10	14	8	10	12	7	8	9	2	4	7	-2	-4	-7	-10

Freezing level m	3800	4050	4250	4050	4350	4250	4000	4200	4000	3900	4100	3950	3900	4150	3800	3000	2750	2300
Cloud base (m)	8700			9400					8500	8900	6900	8600	7300	5900	2450	1800	1800	1800

	5:22	—	—	5:24	—	—	5:24	—	—	5:24	—	—	5:24	—	—	5:24	—	—
	—	—	8:52	—	—	8:53	—	—	8:53	—	—	8:53	—	—	8:53	—	—	8:53

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 15°C on Mon afternoon, min 8°C on Sun morning). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

Light rain (total 7mm), mostly falling on Thu night. Freeze-thaw conditions (max 12°C on Wed afternoon, min -2°C on Fri night). Winds increasing (light winds from the SSW on Wed morning, near gales from the W 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. 40 minutes ago	21° C	Dry	Calm (2 kph at 199).
Bend 34 km E 1147m alt. 24 minutes ago	21° C	Dry	Calm (3 kph at 69).
Bend 34 km E 1164.6m alt. 3 hours ago	14° C	Dry	Calm (2 kph at 315).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	15° C	Clear	Calm (0 kph at 0).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	16° C	Dry	Calm (0 kph at 252).
Bend 37 km SSE 1297m alt. 53 minutes ago	21° C	Dry	Calm (2 kph at 102).
Bend 37 km ESE 1158m alt. 38 minutes ago	21° C	Dry	Calm (2 kph at 310).
Camp Sherman 39 km NNE 920.5m alt. 49 minutes ago	23° C	Dry	Calm (2 kph at 206).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	19° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 47 minutes ago	16° C	Dry	Calm (5 kph at 305).

* 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.