– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 am Sat 17 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Sat 17 Oct Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 5°C on Sat morning, min -4°C on Mon night). Winds decreasing (gales from the WSW on Sat morning, light winds from the S by Mon afternoon).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 2°C on Thu night, min -3°C on Tue morning). Winds decreasing (fresh winds from the S on Tue morning, calm by Wed night).
	Saturday 17			Sunday 18			Monday 19			Tuesday 20			Wednesday 21			Thursday 22
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	clear	clear	clear	some clouds	cloudy	cloudy	light snow	some clouds	some clouds	some clouds	clear	cloudy	clear	some clouds	clear	clear
Cloud base (m)	8950	8200	6150	8800	9200	5300	3050	2700	2400	7400	3150	5650	5350	3500		6950	3250
km/h	WSW	WSW	WSW	WSW	SSW	SW	SSW	S	SSE	S	S	SE	ESE	W	NW	WNW	W	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	1	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	5	3	3	4	2	2	-1	-3	-3	-2	-2	0	1	1	0	0	-1	2
min °C	4	2	3	3	1	0	-2	-3	-4	-3	-3	-1	1	0	0	-1	-1	-1
chill °C	-3	-5	-4	-3	-5	-8	-10	-10	-10	-10	-10	-7	-4	-2	-3	-4	-3	-6

Freezing level m	3750	3450	3600	3650	3500	3350	2900	2750	2450	2850	2900	3100	3300	3200	3150	3050	3000	3450

	7:22	—	—	7:24	—	—	7:26	—	—	7:26	—	—	7:28	—	—	7:30	—	—
	—	6:20	—	—	6:17	—	—	6:16	—	—	6:15	—	—	6:13	—	—	6:12	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 5°C on Sat morning, min -4°C on Mon night). Winds decreasing (gales from the WSW on Sat morning, light winds from the S by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 2°C on Thu night, min -3°C on Tue morning). Winds decreasing (fresh winds from the S on Tue morning, calm by Wed 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	21°C	Dry	Calm (3 kph at 32).
Bend 34 km E 1147m alt. 1 hour ago	18°C	Dry	Wind obs. (8 kph from 45 degs) was rejected.
Bend 34 km E 1164.6m alt. 1 hour ago	19°C	Dry	Light winds from the N (6 kph at 11).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	20°C	Clear	Wind obs. (19 kph from 40 degs) was rejected.	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 38 minutes ago	12°C	Dry	Calm (3 kph at 219).
Bend 37 km SSE 1297m alt. 42 minutes ago	20°C	Dry	Calm (5 kph at 316).
Bend 37 km ESE 1158m alt. 1 hour ago	18°C	Dry	Calm (2 kph at 310).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	12°C	Dry	Light winds from the WSW (14 kph at 246).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	19°C	Dry	Light winds from the NNE (6 kph at 15).
La Pine 43 km SSE 1298m alt. 2 hours ago	22°C	Dry	Calm (2 kph at 327).

* 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.