– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 am Wed 09 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Wed 09 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 11°C on Wed night, min 0°C on Fri night). Winds increasing (light winds from the W on Wed afternoon, gales from the W by Thu night).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 3°C on Mon afternoon, min -6°C on Sat afternoon). Winds decreasing (strong winds from the NW on Sat night, calm by Sun afternoon).
	Wednesday 9			Thursday 10			Friday 11			Saturday 12			Sunday 13			Monday 14
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	cloudy	snow shwrs	some clouds	clear	some clouds	clear	clear	clear	some clouds
Cloud base (m)					9450	2000		6550	8100	5900	2000	1800	1850	3200			4300
km/h	W	WSW	W	W	W	WNW	W	SW	SW	SSW	W	N	N	NNE	WSW	S	SSE	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	2	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	10	10	11	8	6	5	3	3	3	-2	-6	-2	-1	0	1	1	3	3
min °C	9	9	10	7	6	3	3	3	0	-4	-6	-5	-1	-1	0	1	2	2
chill °C	6	7	6	2	1	-3	-2	0	-7	-10	-13	-14	-7	-1	-2	-1	1	-3

Freezing level m	4650	4750	4650	4300	4050	3800	3650	3700	3400	2650	2300	2450	2950	3100	3350	3250	3650	3550

	6:37	—	—	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 11°C on Wed night, min 0°C on Fri night). Winds increasing (light winds from the W on Wed afternoon, gales from the W by Thu night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 3°C on Mon afternoon, min -6°C on Sat afternoon). Winds decreasing (strong winds from the NW on Sat night, calm by Sun afternoon).

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. 38 minutes ago	9°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 37 minutes ago	11°C	Dry	Calm (3 kph at 210).
Bend 34 km E 1164.6m alt. 29 minutes ago	13°C	Dry	Wind obs. (6 kph from 143 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	3°C	Clear	Wind obs. (7 kph from 180 degs) was rejected.	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 22 minutes ago	14°C	Dry	Calm (0 kph at 113).
Bend 37 km SSE 1297m alt. 1 hour ago	4°C	Dry	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 36 minutes ago	13°C	Dry	Calm (0 kph at 125).
Deschutes River Woods wx 40 km ESE 1185m alt. 23 minutes ago	13°C	Dry	Calm (2 kph at 308).
Rainbow wx 41 km WSW 410m alt. 24 minutes ago	19°C	Dry	Light winds from the ESE (16 kph at 112).
Cloverdale wx 42 km NE 947m alt. 53 minutes ago	14°C	Dry	Calm (0 kph at 211).

* 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.