– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Wed 02 Sep Local Time
Updates in:
hr min s
Update imminent

Issued: 4 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 Thu night. Freeze-thaw conditions (max 2°C on Wed afternoon, min -3°C on Wed night). Winds decreasing (near gales from the WSW on Wed afternoon, calm by Fri night).									Days 4–6 Weather Summary Light rain (total 10mm) at first, then becoming colder with a dusting of snow on Sun night. Mild temperatures (max 7°C on Mon afternoon, min 1°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	light snow	snow shwrs	cloudy	some clouds	snow shwrs	some clouds	some clouds	some clouds	clear	clear	rain shwrs	light rain	mod. rain	snow shwrs	clear	some clouds	some clouds
Cloud base (m)	2100	1800	1800	2000	2450	1800	1900	2250	2450	2450	2850	3250	2500	2350	2700	3050	3150
km/h	SSW	SW	SW	SW	SW	SW	WSW	S	ENE	SSE	SSE	S	S	SSE	NE	NNW	WSW	WSW
See all weather maps
cm	—	3	8	—	—	9	—	—	—	—	—	—	—	—	2	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	0.1	0.6	9	—	—	—	—
max °C	1	2	1	-2	0	-1	-2	1	0	3	6	4	3	4	2	5	7	7
min °C	0	1	-3	-2	0	-2	-2	-1	0	1	4	3	2	2	2	3	7	6
chill °C	-8	-7	-11	-10	-6	-2	-6	-1	-2	0	2	0	0	2	-2	1	7	4

Freezing level m	2650	2650	2250	2300	2550	2100	2250	2550	2450	2950	3100	2900	2900	2850	2800	3000	3450	3750

	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 Thu night. Freeze-thaw conditions (max 2°C on Wed afternoon, min -3°C on Wed night). Winds decreasing (near gales from the WSW on Wed afternoon, calm by Fri night).

South Sister Volcano Weather (Days 3-6):

Light rain (total 10mm) at first, then becoming colder with a dusting of snow on Sun night. Mild temperatures (max 7°C on Mon afternoon, min 1°C on Sat morning). Wind will be generally light.

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. 1 hour ago	12°C	Dry	Calm (0 kph at 66).
Bend 34 km E 1147m alt. 1 hour ago	12°C	Dry	Calm (3 kph at 194).
Bend 34 km E 1164.6m alt. 1 hour ago	13°C	Dry	Wind obs. (10 kph from 163 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	10°C	Dry and partly cloudy.	Light winds from the SSW (17 kph at 210).	14 km Low: scattered Mid: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	7°C	Dry	Calm (0 kph at 65).
Bend 37 km SSE 1297m alt. 34 minutes ago	12°C	Dry	Calm (5 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	13°C	Dry	Calm (0 kph at 199).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	12°C	Dry	Light winds from the SSW (6 kph at 213).
Rainbow wx 41 km WSW 410m alt. 46 minutes ago	11°C	Dry	Light winds from the SE (11 kph at 141).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	14°C	Dry	Calm (0 kph at 263).

* 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.