– Lat/Long: 44.10° N 121.77° W

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

Issued: 10 pm Wed 02 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -1°C on Sat afternoon, min -7°C on Thu morning). Winds decreasing (near gales from the WSW on Wed night, light winds from the SSW by Thu night).										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Sun afternoon. Freeze-thaw conditions (max 2°C on Mon night, min -3°C on Sun morning). Mainly fresh winds.
		Thursday 3			Friday 4			Saturday 5			Sunday 6			Monday 7
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy snow	cloudy	cloudy	snow shwrs	light snow	light snow	snow shwrs	some clouds	some clouds	some clouds	cloudy	mod. snow	snow shwrs	clear	clear	cloudy
Cloud base (m)	1800	1900	2550	2000	1800	2200	2850	2600	3100	3600	2650	1900	1850	2800	3000	6500
km/h	WSW	SW	SW	SW	SW	S	SSW	S	SSW	SSW	S	WNW	NNE	NNW	SSW	SSW
See all weather maps
cm	17	—	—	4	1	3	2	—	—	—	—	8	5	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-4	-7	-5	-6	-6	-4	-4	-3	-1	-1	-2	-3	-2	0	1	2
min °C	-6	-7	-6	-6	-6	-6	-5	-4	-3	-1	-3	-3	-3	-2	0	1
chill °C	-17	-18	-14	-14	-11	-10	-11	-8	-8	-6	-6	-6	-8	-7	0	-5

Freezing level m	2250	2350	2450	2150	2250	2600	2450	2700	3000	3050	2800	2750	2750	3100	3250	3400

	—	6:31	—	—	6:33	—	—	6:33	—	—	6:35	—	—	6:35	—	—
	—	—	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 -1°C on Sat afternoon, min -7°C on Thu morning). Winds decreasing (near gales from the WSW on Wed night, light winds from the SSW by Thu night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sun afternoon. Freeze-thaw conditions (max 2°C on Mon night, min -3°C on Sun morning). Mainly fresh winds.

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 (2 kph at 130).
Bend 34 km E 1147m alt. 1 hour ago	8°C	Dry	Calm (2 kph at 179).
Bend 34 km E 1164.6m alt. 39 minutes ago	9°C	Dry	Calm (5 kph at 174).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	8°C	Dry and cloudy.	Light winds from the S (13 kph at 190).	16 km Low: broken Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	3°C	Light rain.	Calm (2 kph at 283).
Bend 37 km SSE 1297m alt. 38 minutes 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 178).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	8°C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 3 hours ago	6°C	Dry	Light winds from the W (16 kph at 266).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	11°C	Dry	Calm (3 kph at 234).

* 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.