– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Tue 01 Sep Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Tue 01 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 Thu night. Freeze-thaw conditions (max 1°C on Tue night, min -7°C on Thu morning). Winds decreasing (gales from the WSW on Wed afternoon, light winds from the S by Fri afternoon).										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Sun afternoon. Freeze-thaw conditions (max 1°C on Mon afternoon, min -4°C on Fri night). Wind will be generally light.
		Wednesday 2			Thursday 3			Friday 4			Saturday 5			Sunday 6
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	light snow	mod. snow	snow shwrs	cloudy	snow shwrs	heavy snow	light snow	light snow	snow shwrs	some clouds	some clouds	some clouds	cloudy	mod. snow	snow shwrs
Cloud base (m)	1850	2100	1800	1800	2100	2500	1800	1800	2050	1900	2300	2700	2900	3000	2450	2300
km/h	SW	SW	SW	WSW	SW	SW	WSW	SW	S	E	SE	S	WSW	SSW	NNE	NE
See all weather maps
cm	—	1	8	15	—	1	14	1	2	5	—	—	—	—	6	1
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	-3	-3	-3	-7	-5	-5	-6	-5	-4	-3	-1	-2	-3	-2	-2
min °C	-3	-4	-3	-6	-7	-5	-7	-6	-5	-4	-3	-3	-3	-3	-2	-3
chill °C	-12	-14	-14	-17	-18	-14	-15	-12	-10	-7	-5	-7	-8	-7	-2	-9

Freezing level m	2750	2700	2650	2250	2300	2500	2100	2300	2550	2400	2700	2950	2800	2850	2850	2800

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

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 1°C on Tue night, min -7°C on Thu morning). Winds decreasing (gales from the WSW on Wed afternoon, light winds from the S by Fri afternoon).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sun afternoon. Freeze-thaw conditions (max 1°C on Mon afternoon, min -4°C on Fri night). 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. 59 minutes ago	13°C	Dry	Calm (2 kph at 291).
Bend 34 km E 1147m alt. 1 hour ago	12°C	Dry	Calm (2 kph at 30).
Bend 34 km E 1164.6m alt. 42 minutes ago	13°C	Dry	Calm (3 kph at 110).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	12°C	Clear	Light winds from the SSW (17 kph at 200).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	7°C	Dry	Wind obs. (6 kph from 328 degs) was rejected.
Bend 37 km SSE 1297m alt. 1 hour ago	11°C	Dry	Calm (2 kph at 0).
Deschutes River Woods wx 40 km ESE 1185m alt. 44 minutes ago	13°C	Dry	Calm (2 kph at 294).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	8°C	Dry	Light winds from the WSW (11 kph at 241).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	14°C	Dry	Wind obs. (6 kph from 200 degs) was rejected.
La Pine 43 km SSE 1298m alt. 1 hour ago	10°C	Dry	Calm (0 kph at 239).

* 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.