– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Fri 28 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Fri 28 Aug 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 7°C on Sun night, min 0°C on Sat morning). Winds decreasing (gales from the WSW on Fri night, calm by Sun afternoon).											Days 5–7 Weather Summary Drizzle, on Tue night followed by colder weather and a moderate fall of snow, heaviest on Wed night.. Freeze-thaw conditions (max 8°C on Mon afternoon, min -6°C on Thu morning). Winds increasing (calm on Mon night, gales from the WSW by Wed night).
	Fri 28		Saturday 29			Sunday 30			Monday 31			Tuesday 1			Wednesday 2
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	snow shwrs	rain shwrs	light snow	light snow	snow shwrs
Cloud base (m)		2000					9200	9250		6100	6150	7900	2400	1800	1800	1800	1850
km/h	SW	WSW	WNW	W	NW	WNW	SE	SW	SSW	NNE	ESE	S	SW	WSW	SW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	1	—	1	2	8
mm	—	—	—	—	—	—	—	—	—	—	—	—	0.2	1	—	—	—
max °C	5	4	1	0	3	3	5	7	7	8	7	4	3	2	-2	-1	-2
min °C	5	1	0	0	2	3	3	5	6	7	5	3	1	-2	-2	-2	-4
chill °C	0	-7	-7	-6	-5	-2	3	2	2	5	2	0	-4	-11	-11	-12	-15

Freezing level m	3850	3600	3200	3150	3600	3700	3950	4150	4150	4300	4050	3600	3350	2850	2750	2850	2500

	—	—	6:26	—	—	6:26	—	—	6:28	—	—	6:28	—	—	6:30	—	—
	7:50	—	—	7:49	—	—	7:46	—	—	7:45	—	—	7:43	—	—	7:40	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 7°C on Sun night, min 0°C on Sat morning). Winds decreasing (gales from the WSW on Fri night, calm by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

Drizzle, on Tue night followed by colder weather and a moderate fall of snow, heaviest on Wed night.. Freeze-thaw conditions (max 8°C on Mon afternoon, min -6°C on Thu morning). Winds increasing (calm on Mon night, gales from the WSW by Wed 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	24°C	Dry	Calm (5 kph at 293).
Bend 34 km E 1147m alt. 32 minutes ago	24°C	Dry	Wind obs. (8 kph from 57 degs) was rejected.
Bend 34 km E 1164.6m alt. 24 minutes ago	26°C	Dry	Light winds from the NNW (6 kph at 339).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	24°C	Clear	Light winds from the WNW (19 kph at 300).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 59 minutes ago	18°C	Dry	Calm (2 kph at 238).
Bend 37 km SSE 1297m alt. 34 minutes ago	23°C	Dry	Wind obs. (10 kph from 360 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 54 minutes ago	24°C	Dry	Calm (2 kph at 302).
Rainbow wx 41 km WSW 410m alt. 32 minutes ago	18°C	Dry	Light winds from the NW (10 kph at 308).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	28°C	Dry	Calm (5 kph at 284).
La Pine 43 km SSE 1298m alt. 2 hours ago	27°C	Dry	Calm (5 kph at 257).

* 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.