– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 am Wed 28 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Wed 28 Oct Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A light covering of new snow mostly falling on Wed morning. Temperatures will be well below freezing (max -6°C on Wed night, min -11°C on Fri morning). Winds decreasing (gales from the W on Wed morning, fresh winds from the SW by Thu afternoon).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 6°C on Mon morning, min -11°C on Sat afternoon). Winds decreasing (strong winds from the WNW on Sat night, calm by Sun night).
	Wednesday 28			Thursday 29			Friday 30			Saturday 31			Sunday 1			Monday 2
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	snow shwrs	some clouds	cloudy	some clouds	cloudy	some clouds	some clouds	clear	cloudy	some clouds	clear	clear	clear	clear	some clouds	some clouds	cloudy
Cloud base (m)	1800	1800	1800	2400	2300	2650	1800	2500	1800	6650		1800		8700	7700	5700	6250	7150
km/h	W	W	WSW	SW	SW	SSW	SW	SW	SW	SW	SW	WNW	N	NNE	SW	SSW	SSW	SSW
See all weather maps
cm	3	2	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-9	-7	-6	-7	-7	-7	-10	-11	-9	-9	-10	-10	-7	-1	5	6	6	6
min °C	-10	-10	-7	-8	-8	-9	-11	-11	-10	-9	-11	-11	-9	-3	1	5	6	6
chill °C	-23	-23	-18	-18	-18	-20	-24	-22	-22	-20	-21	-22	-18	-9	-2	2	2	1

Freezing level m	1700	1750	1250	2000	2150	1450	1750	1800	1150	1950	1850	1250	2000	3000	3700	3950	4000	3950

	7:37	—	—	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 light covering of new snow mostly falling on Wed morning. Temperatures will be well below freezing (max -6°C on Wed night, min -11°C on Fri morning). Winds decreasing (gales from the W on Wed morning, fresh winds from the SW by Thu afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 6°C on Mon morning, min -11°C on Sat afternoon). Winds decreasing (strong winds from the WNW on Sat night, calm by Sun 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	4°C	Dry	Calm (0 kph at 322).
Bend 34 km E 1147m alt. 57 minutes ago	2°C	-	Calm (5 kph at 197).
Bend 34 km E 1164.6m alt. 1 hour ago	3°C	Dry	Light winds from the SSW (13 kph at 213).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	0°C	Dry and cloudy.	Light winds from the SW (7 kph at 230).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	-1°C	-	Wind obs. (11 kph from 287 degs) was rejected.
Bend 37 km SSE 1297m alt. 55 minutes ago	-3°C	-	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	3°C	Dry	Calm (0 kph at 205).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	3°C	Dry	Calm (0 kph at 133).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	1°C	-	Light winds from the SSW (13 kph at 196).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	-1°C	-	Calm (0 kph at 275).

* 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.