– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Wed 13 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Wed 13 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Fri night. Temperatures will be below freezing (max 0°C on Wed night, min -12°C on Sat morning). Mainly severe gales.										Days 5–7 Weather Summary A dusting of new snow. Temperatures will be below freezing (max 0°C on Tue afternoon, min -10°C on Sat night). Winds decreasing (near gales from the WNW on Sat night, calm by Tue afternoon).
		Thursday 14			Friday 15			Saturday 16			Sunday 17			Monday 18			Tuesday 19
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	cloudy	snow shwrs	snow shwrs	snow shwrs	snow shwrs	some clouds	some clouds	clear	clear	some clouds	clear	clear	clear	clear
km/h	WNW	W	W	W	W	W	W	WNW	WNW	NW	NE	NE	WNW	NNW	WNW	NW	NNW	SSE	NNW
See all weather maps
cm	—	—	—	—	—	—	4	3	2	2	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	0	-1	-3	-2	-4	-6	-7	-11	-10	-9	-9	-7	-5	-4	-3	-2	-3	0	4
min °C	-1	-2	-5	-4	-5	-7	-11	-12	-11	-10	-9	-8	-6	-4	-3	-3	-3	-2	1
chill °C	-11	-9	-16	-16	-14	-18	-25	-25	-23	-22	-19	-11	-10	-13	-9	-12	-10	-2	-2

Freezing level m	2100	2850	2600	2450	2450	2300	1450	1500	1700	1050	1950	2350	1600	2600	2800	2450	2750	3150	3700
Cloud base (m)	1800	6250	2800	1850		2650	1800	1800	1850	1800	1800	2600	3550	2200	2300	2000	2000	2950

	—	5:41	—	—	5:41	—	—	5:39	—	—	5:37	—	—	5:37	—	—	5:35	—	—
	—	—	—	8:24	—	—	8:25	—	—	8:27	—	—	8:28	—	—	8:29	—	—	8:30

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Fri night. Temperatures will be below freezing (max 0°C on Wed night, min -12°C on Sat morning). Mainly severe gales.

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max 0°C on Tue afternoon, min -10°C on Sat night). Winds decreasing (near gales from the WNW on Sat night, calm by Tue afternoon).

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	8° C	Dry	Calm (5 kph at 308).
Bend 34 km E 1147m alt. 51 minutes ago	7° C	Dry	Calm (2 kph at 337).
Bend 34 km E 1164.6m alt. 1 hour ago	7° C	Dry	Calm (5 kph at 228).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	6° C	Dry and partly cloudy.	Light winds from the SSE (19 kph at 150).	16 km Low: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	3° C	Dry	Wind obs. (6 kph from 328 degs) was rejected.
Bend 37 km SSE 1297m alt. 2 hours ago	3° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 148).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 89).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	7° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 55 minutes ago	4° C	Dry	Light winds from the SW (10 kph at 235).

* 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.