– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 pm Sun 13 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Sun 13 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 4°C on Mon night, min -3°C on Tue night). Winds decreasing (strong winds from the NNW on Sun night, calm by Mon afternoon).										Days 5–7 Weather Summary Mostly dry. Mild temperatures (max 8°C on Fri night, min 2°C on Wed night). Winds decreasing (fresh winds from the WNW on Fri morning, calm by Sat afternoon).
		Monday 14			Tuesday 15			Wednesday 16			Thursday 17			Friday 18
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	cloudy	snow shwrs	clear	clear	rain shwrs	rain shwrs	rain shwrs	clear	clear	clear	clear
Cloud base (m)	1800				5850	2750	1800	2050		5300		3600
km/h	NW	NNW	SE	WNW	W	SSW	ESE	ESE	SE	SSE	NE	NNE	WNW	NW	NNW	NNW
See all weather maps
cm	—	—	—	—	—	—	1	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	0.2	0.1	0.1	—	—	—	—
max °C	1	2	3	4	3	1	-2	0	2	4	4	4	4	5	6	8
min °C	-1	1	2	4	2	-1	-3	-1	1	2	3	3	4	4	6	7
chill °C	-9	-4	2	0	-2	-5	-6	-8	-4	-3	-1	-1	0	-1	2	3

Freezing level m	3100	3550	3600	3750	3450	2950	2800	3150	3400	3600	3550	3500	3750	3900	4100	4300

	—	6:43	—	—	6:45	—	—	6:46	—	—	6:48	—	—	6:48	—	—
	—	—	7:19	—	—	7:17	—	—	7:15	—	—	7:14	—	—	7:12	—

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 -3°C on Tue night). Winds decreasing (strong winds from the NNW on Sun night, calm by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 8°C on Fri night, min 2°C on Wed night). Winds decreasing (fresh winds from the WNW on Fri morning, calm by Sat afternoon).

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. 51 minutes ago	3°C	Dry	Calm (0 kph at 237).
Bend 34 km E 1147m alt. 2 hours ago	6°C	Dry	Calm (3 kph at 210).
Bend 34 km E 1164.6m alt. 1 hour ago	8°C	Dry	Light winds from the SSW (10 kph at 202).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	2°C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	4°C	Dry	Calm (3 kph at 246).
Bend 37 km SSE 1297m alt. 1 hour ago	4°C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 51 minutes ago	7°C	Dry	Calm (0 kph at 183).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	7°C	Dry	Calm (3 kph at 236).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	6°C	Dry	Light winds from the SE (6 kph at 126).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	7°C	Dry	Calm (0 kph at 215).

* 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.