– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Sat 29 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sat 29 Aug 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 8°C on Mon afternoon, min 0°C on Sat morning). Winds decreasing (strong winds from the W on Sat morning, calm by Sun afternoon).									Days 4–6 Weather Summary Drizzle, on Tue afternoon followed by colder weather and a moderate fall of snow, heaviest on Wed night.. Freeze-thaw conditions (max 3°C on Tue morning, min -6°C on Thu morning). Winds increasing (light winds from the SE on Tue morning, severe gales from the WSW by Wed night).
	Saturday 29			Sunday 30			Monday 31			Tuesday 1			Wednesday 2			Thursday 3
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	risk tstorm	some clouds	cloudy	light snow	heavy snow	clear	snow shwrs	clear
Cloud base (m)				8850	8400			4850	8150		2500	1800	2100	2000	1800	1900	2200	1950
km/h	WNW	W	NW	WNW	SSE	SW	SSW	NNE	E	SSE	SW	WSW	SW	SW	WSW	W	W	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	2	15	—	1	—
mm	—	—	—	—	—	—	—	—	—	—	1	—	—	—	—	—	—	—
max °C	1	1	2	4	5	6	6	8	7	3	3	1	-3	-1	-2	-5	-5	-5
min °C	0	1	2	3	3	5	6	7	5	2	1	-3	-3	-2	-4	-6	-5	-6
chill °C	-7	-4	-4	-2	3	1	1	5	3	-1	-6	-12	-12	-11	-14	-16	-15	-15

Freezing level m	3250	3300	3500	3750	3900	4150	4100	4200	3950	3400	3350	2850	2700	2900	2300	2300	2500	2100

	6:26	—	—	6:26	—	—	6:28	—	—	6:28	—	—	6:30	—	—	6:31	—	—
	—	7:49	—	—	7:46	—	—	7:45	—	—	7:43	—	—	7:40	—	—	7:39	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 8°C on Mon afternoon, min 0°C on Sat morning). Winds decreasing (strong winds from the W on Sat morning, calm by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

Drizzle, on Tue afternoon followed by colder weather and a moderate fall of snow, heaviest on Wed night.. Freeze-thaw conditions (max 3°C on Tue morning, min -6°C on Thu morning). Winds increasing (light winds from the SE on Tue morning, severe 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. 59 minutes ago	10°C	Dry	Calm (0 kph at 336).
Bend 34 km E 1147m alt. 2 hours ago	9°C	Dry	Calm (2 kph at 347).
Bend 34 km E 1164.6m alt. 1 hour ago	11°C	Dry	Wind obs. (6 kph from 140 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	9°C	Clear	Light winds from the S (11 kph at 190).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	6°C	Dry	Light winds from the WSW (6 kph at 255).
Bend 37 km SSE 1297m alt. 2 hours ago	6°C	Dry	Calm (0 kph at 0).
Deschutes River Woods wx 40 km ESE 1185m alt. 55 minutes ago	11°C	Dry	Calm (2 kph at 237).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	7°C	Dry	Light winds from the S (10 kph at 189).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	8°C	Dry	Calm (0 kph at 206).
Redmond 45 km ENE 933m alt. 54 minutes ago	8°C	Dry	Calm (0 kph at 263).

* 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.