– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 am Sat 12 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Sat 12 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 4°C on Mon night, min -7°C on Sat night). Winds decreasing (near gales from the SW on Sat morning, calm by Mon afternoon).									Days 4–6 Weather Summary Mostly dry. Mild temperatures (max 9°C on Wed night, min 3°C on Tue morning). Wind will be generally light.
	Saturday 12			Sunday 13			Monday 14			Tuesday 15			Wednesday 16			Thursday 17
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	light snow	cloudy	cloudy	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)		2800	1800	1850	1850				8900
km/h	SSW	SSW	WSW	W	NNW	NW	NW	SE	NW	WNW	W	NNW	ENE	WSW	WSW	WSW	SW	SW
See all weather maps
cm	—	—	4	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	2	-1	-4	-5	-2	1	3	3	4	4	3	4	7	7	9	9	9	9
min °C	1	-2	-7	-7	-4	-1	2	2	4	3	3	4	5	6	8	9	8	8
chill °C	-6	-10	-16	-18	-14	-9	-3	2	0	-2	0	0	1	5	8	8	7	6

Freezing level m	3250	2800	2000	2300	2800	3250	3600	3600	3800	3650	3650	3700	4150	4250	4450	4550	4500	4500

	6:41	—	—	6:43	—	—	6:43	—	—	6:45	—	—	6:46	—	—	6:48	—	—
	—	7:22	—	—	7:21	—	—	7:19	—	—	7:17	—	—	7:15	—	—	7:14	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 4°C on Mon night, min -7°C on Sat night). Winds decreasing (near gales from the SW on Sat morning, calm by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Wed night, min 3°C on Tue 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. 52 minutes ago	16°C	Dry	Calm (0 kph at 95).
Bend 34 km E 1147m alt. 47 minutes ago	17°C	Dry	Calm (2 kph at 269).
Bend 34 km E 1164.6m alt. 1 hour ago	18°C	Dry	Calm (3 kph at 243).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	13°C	Dry and partly cloudy.	Light winds from the S (6 kph at 190).	14 km Low: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	10°C	Dry	Calm (2 kph at 312).
Bend 37 km SSE 1297m alt. 1 hour ago	17°C	Dry	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	18°C	Dry	Calm (0 kph at 213).
Deschutes River Woods wx 40 km ESE 1185m alt. 47 minutes ago	17°C	Dry	Calm (2 kph at 269).
Rainbow wx 41 km WSW 410m alt. 54 minutes ago	7°C	Dry	Wind obs. (8 kph from 204 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 1 hour ago	17°C	Dry	Calm (0 kph at 45).

* 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.