– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Wed 02 Sep Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Wed 02 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -2°C on Wed afternoon, min -7°C on Thu morning). Winds decreasing (severe gales from the SW on Wed afternoon, light winds from the S by Fri afternoon).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 1°C on Mon night, min -2°C on Sat morning). Wind will be generally light.
	Wednesday 2			Thursday 3			Friday 4			Saturday 5			Sunday 6			Monday 7
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	mod. snow	heavy snow	light snow	some clouds	mod. snow	some clouds	light snow	snow shwrs	clear	clear	some clouds	cloudy	light snow	snow shwrs	clear	some clouds	some clouds
Cloud base (m)	2100	1800	1900	1900	2550	1850	1950	2150	2400		3200	3600	2850	2450	4400		3150	8800
km/h	SSW	SW	WSW	SW	SW	WSW	SSW	SSE	S	SSW	SSE	S	SW	SW	WNW	NW	W	SW
See all weather maps
cm	—	9	14	1	—	6	—	3	1	—	—	—	—	3	1	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-2	-4	-7	-5	-5	-6	-5	-4	-1	0	0	-2	-1	-1	-2	0	1
min °C	-4	-3	-6	-7	-5	-7	-7	-5	-5	-2	-1	-2	-2	-1	-2	-2	-1	1
chill °C	-14	-14	-17	-18	-14	-13	-12	-8	-8	-5	-4	-7	-6	-4	-6	-6	-4	-4

Freezing level m	2700	2700	2250	2300	2600	2150	2350	2550	2500	3000	3200	3200	2950	2950	2850	2900	3100	3300

	6:30	—	—	6:31	—	—	6:33	—	—	6:33	—	—	6:35	—	—	6:35	—	—
	—	7:40	—	—	7:39	—	—	7:37	—	—	7:36	—	—	7:34	—	—	7:31	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -2°C on Wed afternoon, min -7°C on Thu morning). Winds decreasing (severe gales from the SW on Wed afternoon, light winds from the S by Fri afternoon).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 1°C on Mon night, min -2°C on Sat morning). Wind will be generally light.

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	15°C	Dry	Calm (2 kph at 88).
Bend 34 km E 1147m alt. 47 minutes ago	13°C	Dry	Calm (5 kph at 195).
Bend 34 km E 1164.6m alt. 1 hour ago	14°C	Dry	Light winds from the SSW (10 kph at 197).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	12°C	Dry and partly cloudy.	Moderate winds from the SSW (28 kph at 200).	14 km Low: scattered Mid: broken High: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	8°C	Dry	Calm (2 kph at 274).
Bend 37 km SSE 1297m alt. 2 hours ago	12°C	Dry	Calm (3 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	14°C	Dry	Calm (0 kph at 206).
Deschutes River Woods wx 40 km ESE 1185m alt. 46 minutes ago	13°C	Dry	Calm (5 kph at 183).
Rainbow wx 41 km WSW 410m alt. 3 hours ago	11°C	Dry	Light winds from the SE (11 kph at 141).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	16°C	Dry	Calm (5 kph at 179).

* 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.