– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 pm Sat 12 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Sat 12 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 9°C on Tue morning, min -3°C on Sat night). Winds decreasing (strong winds from the SW on Sat afternoon, calm by Mon afternoon).											Days 5–7 Weather Summary Mostly dry. Very mild (max 16°C on Thu afternoon, min 7°C on Tue night). Wind will be generally light.
	Sat 12		Sunday 13			Monday 14			Tuesday 15			Wednesday 16			Thursday 17
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	cloudy	cloudy	some clouds	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	2400	1800	1850	2000				7300	9150
km/h	SW	WSW	W	NW	NW	NW	SE	WNW	W	WSW	WSW	SE	SSW	SSW	SSW	S	SSE
See all weather maps
cm	1	3	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.2	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	-1	-1	0	3	7	8	7	9	9	8	11	13	11	14	16	13
min °C	1	-3	-3	0	2	4	7	6	7	9	7	8	12	11	11	15	13
chill °C	-6	-11	-11	-7	-4	0	7	4	5	8	4	8	12	11	10	15	12

Freezing level m	2700	2050	2300	2500	3200	3600	3600	3750	3750	3750	3900	4300	4300	4500	4450	4600	4600

	—	—	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 9°C on Tue morning, min -3°C on Sat night). Winds decreasing (strong winds from the SW on Sat afternoon, calm by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 16°C on Thu afternoon, min 7°C on Tue night). 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. 41 minutes ago	13°C	Dry	Calm (5 kph at 266).
Bend 34 km E 1147m alt. 24 minutes ago	11°C	Dry	Calm (0 kph at 200).
Bend 34 km E 1164.6m alt. 37 minutes ago	11°C	Dry	Wind obs. (11 kph from 192 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	12°C	Dry and cloudy.	Light winds from the WSW (13 kph at 240).	14 km Low: scattered Mid: scattered High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	7°C	Dry	Light winds from the WNW (18 kph at 290).
Bend 37 km SSE 1297m alt. 1 hour ago	9°C	Dry	Calm (2 kph at 340).
Bend 37 km ESE 1158m alt. 40 minutes ago	11°C	Dry	Calm (0 kph at 242).
Deschutes River Woods wx 40 km ESE 1185m alt. 27 minutes ago	11°C	Dry	Calm (0 kph at 290).
Rainbow wx 41 km WSW 410m alt. 33 minutes ago	8°C	Dry	Wind obs. (11 kph from 195 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 2 hours ago	13°C	Dry	Calm (2 kph at 176).

* 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.