– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Tue 26 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Tue 26 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of snow. Milder later with heavy rain (total 25mm) on Thu night. Freeze-thaw conditions (max 9°C on Wed afternoon, min -2°C on Tue night). Winds decreasing (near gales from the NE on Tue night, calm by Thu night).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 6°C on Mon afternoon, min -3°C on Sat night). Winds decreasing (fresh winds from the W on Fri night, calm by Sun afternoon).
		Wednesday 27			Thursday 28			Friday 29			Saturday 30			Sunday 31			Monday 1
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	some clouds	clear	some clouds	rain shwrs	risk tstorm	light snow	light snow	snow shwrs	some clouds	some clouds	some clouds	clear	clear	some clouds	clear	some clouds	some clouds	some clouds
km/h	NE	NE	NNE	ENE	NE	N	NW	NW	W	W	W	W	NW	WNW	WSW	SSW	SSE	SSW	SW
See all weather maps
cm	1	—	—	—	—	—	1	1	1	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	0.1	12	13	—	—	—	—	—	—	—	—	—	—	—	—
max °C	3	6	9	9	9	9	5	1	2	1	-1	-1	-1	0	1	0	3	6	5
min °C	-2	5	9	7	8	6	1	1	1	-1	-1	-1	-3	-2	1	-1	1	5	4
chill °C	-8	-1	5	3	6	3	-2	-3	-4	-6	-4	-3	-7	-5	1	-5	-2	4	0

Freezing level m	2500	3450	3800	3900	3750	3450	3100	2650	2850	2350	2350	2400	1400	2450	2650	2450	2750	3150	3400
Cloud base (m)	1800	2300		4750	4100	1850	2050	1800	1900	1800	1850	2700	1750		3150	2850	6850

	—	5:30	—	—	5:28	—	—	5:28	—	—	5:28	—	—	5:26	—	—	5:26	—	—
	—	—	—	8:37	—	—	8:38	—	—	8:39	—	—	8:40	—	—	8:42	—	—	8:43

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of snow. Milder later with heavy rain (total 25mm) on Thu night. Freeze-thaw conditions (max 9°C on Wed afternoon, min -2°C on Tue night). Winds decreasing (near gales from the NE on Tue night, calm by Thu night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 6°C on Mon afternoon, min -3°C on Sat night). Winds decreasing (fresh winds from the W on Fri night, calm by Sun afternoon).

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	9° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 55 minutes ago	9° C	Dry	Wind obs. (8 kph from 38 degs) was rejected.
Bend 34 km E 1164.6m alt. 28 minutes ago	10° C	Dry	Light winds from the ENE (6 kph at 67).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	7° C	Light rain .	Light winds from the NE (17 kph at 40).	13 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 21 minutes ago	4° C	Dry	Calm (2 kph at 277).
Bend 37 km SSE 1297m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 329).
Camp Sherman 39 km NNE 920.5m alt. 54 minutes ago	8° C	Dry	Calm (0 kph at 343).
Rainbow wx 41 km WSW 410m alt. 27 minutes ago	6° C	Dry	Light winds from the WNW (11 kph at 299).
Cloverdale wx 42 km NE 947m alt. 24 minutes ago	10° C	Dry	Calm (0 kph at 229).

* 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.