– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Mon 31 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Mon 31 Aug Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mild at first with light rain (total 4mm) on Wed afternoon followed by colder weather and light fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 14°C on Mon afternoon, min -2°C on Thu morning). Winds increasing (calm on Mon night, near gales from the WSW by Wed night).											Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 7°C on Sun morning, min -3°C on Thu night). Winds decreasing (strong winds from the WSW on Thu night, calm by Fri night).
	Mon 31		Tuesday 1			Wednesday 2			Thursday 3			Friday 4			Saturday 5
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	rain shwrs	some clouds	cloudy	light snow	mod. snow	light snow	some clouds	light snow	light snow	some clouds	some clouds	some clouds	some clouds	clear
Cloud base (m)	5050	8200		2500	1850	2250	1900	1800	1800	2000	1800	1800	1850	2550	2400	3000
km/h	N	ESE	SSW	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	W	WNW	SSW	ESE	SE	SSW
See all weather maps
cm	—	—	—	—	—	—	3	10	4	—	2	2	—	—	—	—	—
mm	—	—	—	0.6	—	—	3	—	—	—	—	—	—	—	—	—	—
max °C	14	10	7	8	5	1	2	1	-1	0	-1	-2	0	0	3	6	5
min °C	13	7	7	6	2	1	1	-1	-2	0	-3	-3	-2	-1	1	4	4
chill °C	12	6	5	3	-4	-5	-6	-9	-11	-8	-11	-10	-8	-4	1	3	3

Freezing level m	4300	3950	3450	3400	3100	2650	2750	2350	2300	2500	2150	2150	2450	2400	2850	3100	3350

	—	—	6:28	—	—	6:30	—	—	6:31	—	—	6:33	—	—	6:33	—	—
	7:45	—	—	7:43	—	—	7:40	—	—	7:39	—	—	7:37	—	—	7:36	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mild at first with light rain (total 4mm) on Wed afternoon followed by colder weather and light fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 14°C on Mon afternoon, min -2°C on Thu morning). Winds increasing (calm on Mon night, near gales from the WSW by Wed night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 7°C on Sun morning, min -3°C on Thu night). Winds decreasing (strong winds from the WSW on Thu night, calm by Fri night).

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. 45 minutes ago	22°C	Dry	Calm (0 kph at 335).
Bend 34 km E 1147m alt. 47 minutes ago	23°C	Dry	Calm (3 kph at 30).
Bend 34 km E 1164.6m alt. 1 hour ago	23°C	Dry	Light winds from the NNE (6 kph at 15).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	24°C	Clear	Light winds from the NNE (19 kph at 20).	13 km
Black Butte Ranch wx 36 km NW 1429m alt. 39 minutes ago	15°C	Dry	Calm (0 kph at 304).
Bend 37 km SSE 1297m alt. 1 hour ago	20°C	Dry	Calm (3 kph at 283).
Deschutes River Woods wx 40 km ESE 1185m alt. 30 minutes ago	23°C	Dry	Calm (2 kph at 342).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	17°C	Dry	Fresh winds from the WSW (34 kph at 248).
Cloverdale wx 42 km NE 947m alt. 33 minutes ago	26°C	Dry	Calm (2 kph at 39).
La Pine 43 km SSE 1298m alt. 2 hours ago	24°C	Dry	Calm (3 kph at 284).

* 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.