– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Tue 28 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Tue 28 Apr 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 1°C on Thu afternoon, min -6°C on Tue morning). Wind will be generally light.									Days 4–6 Weather Summary A light fall of snow, heaviest on Sat afternoon. Turning milder with light rain (total 5mm) on Sun night. Freeze-thaw conditions (max 4°C on Sun night, min -1°C on Sat afternoon). Winds increasing (light winds from the S on Fri afternoon, strong winds from the E by Sun night).
	Tuesday 28			Wednesday 29			Thursday 30			Friday 1			Saturday 2			Sunday 3
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	clear	clear	some clouds	clear	clear	some clouds	some clouds	clear	cloudy	light snow	cloudy	snow shwrs	snow shwrs	some clouds	risk tstorm	risk tstorm
km/h	WNW	W	NW	NNE	WNW	NE	E	SW	SSW	SSW	SSW	SE	S	SSE	SE	SE	ESE	E
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	4	—	3	3	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.4	4
max °C	-6	-5	-5	-5	-3	-1	-1	1	1	0	1	1	0	0	2	2	3	4
min °C	-6	-5	-5	-5	-3	-3	-1	0	0	0	1	0	0	-1	0	2	2	3
chill °C	-14	-11	-12	-9	-3	-5	-5	0	-5	-6	-3	-5	-6	-7	-4	-5	-3	-3

Freezing level m	2400	2550	1750	2550	2800	2750	3000	3250	3200	3100	3300	3200	3150	3150	3350	3400	3500	3550
Cloud base (m)		3700	1800	2250	3100		9150	3700		8900	3350	2000		2400		5800	3000	4000

	6:03	—	—	6:01	—	—	6:00	—	—	5:58	—	—	5:56	—	—	5:56	—	—
	—	—	8:06	—	—	8:07	—	—	8:07	—	—	8:09	—	—	8:10	—	—	8:12

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 1°C on Thu afternoon, min -6°C on Tue morning). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

A light fall of snow, heaviest on Sat afternoon. Turning milder with light rain (total 5mm) on Sun night. Freeze-thaw conditions (max 4°C on Sun night, min -1°C on Sat afternoon). Winds increasing (light winds from the S on Fri afternoon, strong winds from the E by Sun 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	16° C	Dry	Calm (3 kph at 260).
Bend 34 km E 1164.6m alt. 32 minutes ago	17° C	Dry	Calm (5 kph at 359).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	14° C	Clear	Light winds from the SSW (13 kph at 210).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	9° C	Dry	Wind obs. (8 kph from 308 degs) was rejected.
Bend 37 km SSE 1297m alt. 2 hours ago	15° C	Dry	Calm (3 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	16° C	Dry	Calm (2 kph at 43).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	17° C	Dry	Light winds from the WNW (6 kph at 291).
Deschutes River Woods wx 40 km ESE 1185m alt. 52 minutes ago	16° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	6° C	Dry	Light winds from the W (14 kph at 273).
Cloverdale wx 42 km NE 947m alt. 45 minutes ago	18° C	Dry	Calm (3 kph at 26).

* 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.