– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sun 10 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sun 10 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 14°C on Tue afternoon, min 4°C on Sun night). Winds decreasing (fresh winds from the WSW on Sun afternoon, light winds from the SW by Mon afternoon).											Days 5–7 Weather Summary Light rain (total 3mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 8°C on Wed afternoon, min -3°C on Fri night). Winds increasing (light winds from the SW on Wed afternoon, strong winds from the WSW by Fri night).
	Sun 10		Monday 11			Tuesday 12			Wednesday 13			Thursday 14			Friday 15
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	light rain	light rain	clear	clear	rain shwrs	clear	some clouds	some clouds
km/h	WSW	WSW	SW	SW	SSW	S	SSE	SSE	SSW	N	NNW	NW	WNW	W	WSW	WSW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	2	0.7	—	—	0.1	—	—	—
max °C	8	6	9	12	10	12	14	11	9	8	4	4	5	4	2	3	-1
min °C	8	4	7	11	9	11	14	8	9	5	3	3	5	0	1	1	-3
chill °C	4	0	4	9	6	9	12	5	6	3	-1	-2	1	-6	-5	-6	-11

Freezing level m	3750	3750	3850	4000	4100	4050	4150	4050	3600	3200	3350	3300	3350	3150	2750	2600	1950
Cloud base (m)	8250		9450	9350		9200	5000	6750		2450	1800		2500	1900	2450	3050	1800

	—	—	5:45	—	—	5:43	—	—	5:43	—	—	5:41	—	—	5:41	—	—
	—	8:20	—	—	8:21	—	—	8:22	—	—	8:23	—	—	8:24	—	—	8:25

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 14°C on Tue afternoon, min 4°C on Sun night). Winds decreasing (fresh winds from the WSW on Sun afternoon, light winds from the SW by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Light rain (total 3mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 8°C on Wed afternoon, min -3°C on Fri night). Winds increasing (light winds from the SW on Wed afternoon, strong winds from the WSW by Fri night).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 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	16° C	Dry	Calm (3 kph at 307).
Bend 34 km E 1147m alt. 1 hour ago	19° C	Dry	Light winds from the NE (6 kph at 36).
Bend 34 km E 1164.6m alt. 58 minutes ago	17° C	Dry	Calm (5 kph at 46).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	17° C	Clear	Light winds from the WNW (9 kph at 290).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	10° C	Dry	Light winds from the WNW (10 kph at 297).
Bend 37 km SSE 1297m alt. 1 hour ago	14° C	Dry	Calm (2 kph at 273).
Bend 37 km ESE 1158m alt. 1 hour ago	18° C	Dry	Calm (2 kph at 319).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	16° C	Dry	Wind obs. (6 kph from 348 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	18° C	Dry	Calm (3 kph at 342).
Rainbow wx 41 km WSW 410m alt. 3 hours ago	13° C	Dry	Light winds from the WSW (16 kph at 252).

* 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.