– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 pm Wed 09 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Wed 09 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 10°C on Wed night, min -3°C on Sat morning). Winds increasing (calm on Wed afternoon, severe gales from the W by Thu night).											Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 4°C on Mon night, min -6°C on Sat night). Winds decreasing (strong winds from the N on Sun morning, calm by Mon morning).
	Wed 9		Thursday 10			Friday 11			Saturday 12			Sunday 13			Monday 14
	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	some clouds	cloudy	snow shwrs	light snow	clear	clear	clear	clear	clear	clear
Cloud base (m)				9400	1950	6500	7000		6300	1950	1800	1850	2300			9000
km/h	SW	W	W	W	W	W	WSW	WSW	SW	SW	N	N	NW	W	SW	SSE	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	2	2	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	9	10	9	7	5	3	2	2	-1	-3	-4	-3	-1	2	2	2	4
min °C	9	10	8	6	3	3	2	1	-3	-5	-6	-3	-2	0	2	1	3
chill °C	9	7	4	0	-4	-3	-3	-6	-9	-12	-14	-11	-7	-4	0	0	-2

Freezing level m	4650	4650	4350	4100	3850	3600	3500	3400	2800	2500	2200	2700	3050	3450	3450	3550	3700

	—	—	6:39	—	—	6:41	—	—	6:41	—	—	6:43	—	—	6:43	—	—
	7:29	—	—	7:27	—	—	7:24	—	—	7:22	—	—	7:21	—	—	7:19	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 10°C on Wed night, min -3°C on Sat morning). Winds increasing (calm on Wed afternoon, severe gales from the W by Thu night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 4°C on Mon night, min -6°C on Sat night). Winds decreasing (strong winds from the N on Sun morning, calm by Mon morning).

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	22°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 1 hour ago	21°C	Dry	Calm (2 kph at 1).
Bend 34 km E 1164.6m alt. 2 hours ago	24°C	Dry	Calm (0 kph at 78).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	18°C	Clear	Wind obs. (7 kph from 1 degs) was rejected.	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	16°C	Dry	Calm (0 kph at 284).
Bend 37 km SSE 1297m alt. 2 hours ago	19°C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	22°C	Dry	Calm (0 kph at 321).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	21°C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	22°C	Dry	Wind obs. (11 kph from 221 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 52 minutes ago	20°C	Dry	Calm (0 kph at 36).

* 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.