– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Fri 04 Sep Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Fri 04 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -2°C on Sat afternoon, min -6°C on Fri morning). Winds decreasing (fresh winds from the SW on Fri morning, calm by Sun morning).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 7°C on Wed afternoon, min -2°C on Mon morning). Winds increasing (light winds from the WNW on Mon afternoon, fresh winds from the SSE by Tue night).
	Friday 4			Saturday 5			Sunday 6			Monday 7			Tuesday 8			Wednesday 9
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light snow	snow shwrs	snow shwrs	snow shwrs	light snow	light snow	light snow	snow shwrs	clear	clear	clear	some clouds	some clouds	cloudy	some clouds	clear	some clouds
Cloud base (m)	1850	2350	2500	2400	2800	5700	2650	2000	2000	1850	2900		7300	6950	6000	6300	7250
km/h	SSW	SSW	S	S	S	WSW	ENE	NNW	NNW	NNW	SW	SW	SSW	SSE	SSE	SSE	S	S
See all weather maps
cm	—	3	4	1	2	1	1	3	1	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-4	-4	-4	-2	-2	-3	-3	-2	-1	0	3	3	4	6	5	7	7
min °C	-6	-5	-4	-4	-3	-3	-4	-4	-3	-2	-2	2	3	3	5	4	5	5
chill °C	-14	-11	-10	-10	-8	-8	-4	-7	-10	-8	-5	-2	-1	0	0	-1	1	2

Freezing level m	2350	2600	2450	2650	2850	2750	2700	2750	2600	2950	3150	3600	3650	3800	3950	3800	4100	4000

	6:33	—	—	6:33	—	—	6:35	—	—	6:35	—	—	6:37	—	—	6:37	—	—
	—	7:37	—	—	7:36	—	—	7:34	—	—	7:31	—	—	7:30	—	—	7:29	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -2°C on Sat afternoon, min -6°C on Fri morning). Winds decreasing (fresh winds from the SW on Fri morning, calm by Sun morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 7°C on Wed afternoon, min -2°C on Mon morning). Winds increasing (light winds from the WNW on Mon afternoon, fresh winds from the SSE by Tue 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	14°C	Dry	Calm (2 kph at 252).
Bend 34 km E 1147m alt. 51 minutes ago	13°C	Dry	Calm (3 kph at 188).
Bend 34 km E 1164.6m alt. 37 minutes ago	16°C	Dry	Light winds from the S (6 kph at 179).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	12°C	Dry and partly cloudy.	Light winds from the SSW (11 kph at 210).	14 km Low: few Mid: scattered High: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 24 minutes ago	9°C	Dry	Calm (0 kph at 68).
Bend 37 km SSE 1297m alt. 22 minutes ago	7°C	Dry	Calm (2 kph at 297).
Bend 37 km ESE 1158m alt. 1 hour ago	16°C	Dry	Calm (0 kph at 127).
Deschutes River Woods wx 40 km ESE 1185m alt. 54 minutes ago	12°C	Dry	Calm (3 kph at 312).
Cloverdale wx 42 km NE 947m alt. 19 minutes ago	16°C	Dry	Calm (3 kph at 72).
La Pine 43 km SSE 1298m alt. 51 minutes ago	11°C	Dry	Calm (2 kph at 300).

* 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.