– Lat/Long: 44.10° N 121.77° W

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

Issued: 10 am Wed 13 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A light covering of new snow mostly falling on Wed morning. Freeze-thaw conditions (max 3°C on Thu morning, min -7°C on Fri night). Winds decreasing (near gales from the W on Wed morning, moderate winds from the W by Thu morning).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Sat morning. Freeze-thaw conditions (max 1°C on Mon night, min -7°C on Sat morning). Winds decreasing (strong winds from the W on Sat morning, light winds from the NNW by Mon afternoon).
	Wednesday 13			Thursday 14			Friday 15			Saturday 16			Sunday 17			Monday 18
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	mod. snow	some clouds	clear	clear	clear	some clouds	some clouds	some clouds	snow shwrs	snow shwrs	snow shwrs	snow shwrs	clear	some clouds	some clouds	cloudy	some clouds	clear
km/h	W	W	WNW	W	W	WNW	W	W	W	WNW	WNW	NW	NNW	WNW	NW	NNW	NW	NNW
See all weather maps
cm	6	—	—	—	—	—	—	—	1	2	2	2	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	0	0	3	3	1	0	0	-2	-6	-6	-6	-4	-2	-1	-3	-1	1
min °C	-6	-1	-1	1	1	-1	-1	-1	-7	-7	-6	-7	-5	-2	-4	-3	-1	-1
chill °C	-17	-9	-9	-5	-6	-9	-8	-8	-17	-17	-15	-16	-13	-6	-10	-8	-4	-6

Freezing level m	1650	2550	1500	2850	2650	2450	2450	2350	1450	1600	1700	1150	1900	2300	1500	2150	2400	2650
Cloud base (m)	1850	1900	1800	6150		1850		2800	1800	1800	1800	1800	1800	2150	1800	1850	2100	1800

	5:43	—	—	5:41	—	—	5:41	—	—	5:39	—	—	5:37	—	—	5:37	—	—
	—	—	8:23	—	—	8:24	—	—	8:25	—	—	8:27	—	—	8:28	—	—	8:29

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Wed morning. Freeze-thaw conditions (max 3°C on Thu morning, min -7°C on Fri night). Winds decreasing (near gales from the W on Wed morning, moderate winds from the W by Thu morning).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Sat morning. Freeze-thaw conditions (max 1°C on Mon night, min -7°C on Sat morning). Winds decreasing (strong winds from the W on Sat morning, light winds from the NNW by Mon 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. 51 minutes ago	9° C	Dry	Calm (3 kph at 329).
Bend 34 km E 1147m alt. 34 minutes ago	10° C	Dry	Wind obs. (6 kph from 350 degs) was rejected.
Bend 34 km E 1164.6m alt. 41 minutes ago	13° C	Dry	Light winds from the SW (14 kph at 231).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	6° C	Dry and partly cloudy.	Moderate winds from the W (22 kph at 280).	14 km Low: broken Mid: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	3° C	Dry	Light winds from the WNW (6 kph at 283).
Bend 37 km SSE 1297m alt. 1 hour ago	9° C	Dry	Wind obs. (8 kph from 236 degs) was rejected.
Bend 37 km ESE 1158m alt. 50 minutes ago	12° C	Dry	Calm (3 kph at 196).
Camp Sherman 39 km NNE 920.5m alt. 53 minutes ago	11° C	Dry	Calm (0 kph at 251).
Deschutes River Woods wx 40 km ESE 1185m alt. 38 minutes ago	9° C	Dry	Light winds from the W (10 kph at 269).
Rainbow wx 41 km WSW 410m alt. 41 minutes ago	3° C	Dry	Light winds from the SSE (13 kph at 163).

* 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.