– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 pm Wed 28 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Wed 28 Oct Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Temperatures will be well below freezing (max -7°C on Wed night, min -10°C on Wed afternoon). Winds decreasing (gales from the W on Wed afternoon, fresh winds from the S by Fri afternoon).											Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 7°C on Mon night, min -11°C on Sat night). Mainly fresh winds.
	Wed 28		Thursday 29			Friday 30			Saturday 31			Sunday 1			Monday 2
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	some clouds	some clouds	cloudy	some clouds	some clouds	some clouds	cloudy	cloudy	snow shwrs	clear	clear	clear	clear	cloudy	some clouds	cloudy
Cloud base (m)	1800	1800	5700	2200	3250	2000	2200	2000	1800	2000	1800	1800	8900	6900	5800	6200	6800
km/h	W	WSW	SW	SSW	SSW	SSW	SW	SSW	SSW	SW	WNW	N	NNE	S	SSW	SW	SSW
See all weather maps
cm	2	—	—	—	—	—	—	—	—	2	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-9	-7	-7	-7	-7	-8	-8	-8	-9	-10	-10	-8	-3	5	5	6	7
min °C	-10	-8	-8	-8	-8	-8	-9	-9	-9	-10	-11	-10	-7	1	5	5	6
chill °C	-23	-20	-18	-18	-19	-18	-19	-21	-19	-20	-19	-20	-14	-4	2	0	2

Freezing level m	1700	1200	2000	2150	1400	2000	1900	1500	1900	1850	1300	1800	2500	1550	3950	3900	4050

	—	—	7:39	—	—	7:39	—	—	7:41	—	—	6:43	—	—	7:43	—	—
	6:02	—	—	6:00	—	—	6:00	—	—	5:58	—	—	4:57	—	—	5:55	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Temperatures will be well below freezing (max -7°C on Wed night, min -10°C on Wed afternoon). Winds decreasing (gales from the W on Wed afternoon, fresh winds from the S by Fri afternoon).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 7°C on Mon night, min -11°C on Sat night). Mainly fresh winds.

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. 2 hours ago	6°C	Dry	Calm (3 kph at 279).
Bend 34 km E 1147m alt. 1 hour ago	7°C	Dry	Calm (5 kph at 311).
Bend 34 km E 1164.6m alt. 2 hours ago	8°C	Dry	Light winds from the WSW (13 kph at 243).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	6°C	Clear	Light winds from the W (15 kph at 260).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	1°C	-	Calm (5 kph at 238).
Bend 37 km SSE 1297m alt. 56 minutes ago	4°C	Dry	Calm (2 kph at 253).
Bend 37 km ESE 1158m alt. 1 hour ago	8°C	Dry	Calm (0 kph at 202).
Camp Sherman 39 km NNE 920.5m alt. 55 minutes ago	6°C	Dry	Calm (0 kph at 308).
Rainbow wx 41 km WSW 410m alt. 56 minutes ago	3°C	Dry	Light winds from the W (13 kph at 279).
La Pine 43 km SSE 1298m alt. 1 hour ago	6°C	Dry	Calm (2 kph at 298).

* 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.