– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sat 05 Sep Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sat 05 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 6°C on Tue morning, min -4°C on Sat night). Winds decreasing (fresh winds from the NNW on Sun night, calm by Tue morning).											Days 5–7 Weather Summary Mostly dry. Very mild (max 11°C on Wed night, min 4°C on Fri morning). Winds increasing (light winds from the SSW on Tue afternoon, gales from the WNW by Thu night).
	Sat 5		Sunday 6			Monday 7			Tuesday 8			Wednesday 9			Thursday 10
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light snow	light snow	light snow	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	3000	1800	1800	1800	2000	8900				9100							8450
km/h	SSE	SSE	SE	NW	NNW	NW	WSW	WNW	SSE	SSW	WSW	SW	SW	W	WNW	WNW	NW
See all weather maps
cm	—	4	2	3	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-2	-4	-3	-1	0	2	4	6	6	8	9	10	11	10	9	8
min °C	-3	-4	-4	-4	-4	0	0	2	5	5	7	9	10	10	9	8	5
chill °C	-8	-7	-7	-9	-10	-6	-3	-3	4	4	4	7	9	7	5	2	-2

Freezing level m	2850	2600	2550	2650	2650	3150	3450	3650	4000	4000	4300	4550	4750	4900	4600	4400	4100

	—	—	6:35	—	—	6:35	—	—	6:37	—	—	6:37	—	—	6:39	—	—
	7:36	—	—	7:34	—	—	7:31	—	—	7:30	—	—	7:29	—	—	7:27	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 6°C on Tue morning, min -4°C on Sat night). Winds decreasing (fresh winds from the NNW on Sun night, calm by Tue morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 11°C on Wed night, min 4°C on Fri morning). Winds increasing (light winds from the SSW on Tue afternoon, gales from the WNW by Thu night).

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. 1 hour ago	14°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 51 minutes ago	15°C	Dry	Wind obs. (8 kph from 8 degs) was rejected.
Bend 34 km E 1164.6m alt. 1 hour ago	17°C	Dry	Wind obs. (8 kph from 17 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	15°C	Dry and partly cloudy.	Light winds from the N (19 kph at 0).	14 km Low: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	11°C	Dry	Calm (0 kph at 326).
Bend 37 km SSE 1297m alt. 53 minutes ago	14°C	Dry	Calm (5 kph at 312).
Bend 37 km ESE 1158m alt. 1 hour ago	16°C	Dry	Calm (3 kph at 328).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	16°C	Dry	Calm (0 kph at —).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	18°C	Dry	Calm (0 kph at 74).
La Pine 43 km SSE 1298m alt. 2 hours ago	18°C	Dry	Calm (5 kph at 351).

* 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.