– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 am Mon 14 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Mon 14 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 -2°C on Tue night). Winds increasing (calm on Mon afternoon, strong winds from the E by Wed morning).									Days 4–6 Weather Summary Mostly dry. Mild temperatures (max 8°C on Sat morning, min 2°C on Thu afternoon). Winds decreasing (fresh winds from the NW on Thu night, calm by Sat afternoon).
	Monday 14			Tuesday 15			Wednesday 16			Thursday 17			Friday 18			Saturday 19
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	cloudy	cloudy	snow shwrs	clear	clear	clear	some clouds	light rain	rain shwrs	clear	clear	clear	clear	clear	clear
Cloud base (m)				5750	3050	2500	2700			5700	2900						8950	9150
km/h	NNW	SSE	WNW	W	SW	ESE	E	SE	SE	ESE	NNW	NW	NW	NW	NNW	N	S	SW
See all weather maps
cm	—	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	0.6	0.2	—	—	—	—	—	—
max °C	3	3	4	3	0	-2	0	2	4	4	4	4	4	6	7	8	7	8
min °C	2	2	4	1	-1	-2	-1	2	3	4	2	3	4	5	6	8	7	7
chill °C	-3	1	0	-4	-5	-9	-9	-3	0	3	-2	-2	-1	2	3	5	7	6

Freezing level m	3600	3600	3800	3350	3050	2800	3200	3450	3600	3650	3500	3650	3800	4000	4100	4200	4150	4200

	6:43	—	—	6:45	—	—	6:46	—	—	6:48	—	—	6:48	—	—	6:50	—	—
	—	7:19	—	—	7:17	—	—	7:15	—	—	7:14	—	—	7:12	—	—	7:09	—

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 -2°C on Tue night). Winds increasing (calm on Mon afternoon, strong winds from the E by Wed morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 8°C on Sat morning, min 2°C on Thu afternoon). Winds decreasing (fresh winds from the NW on Thu night, 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. 2 hours ago	21°C	Dry	Calm (3 kph at 11).
Bend 34 km E 1147m alt. 1 hour ago	21°C	Dry	Light winds from the NE (6 kph at 51).
Bend 34 km E 1164.6m alt. 1 hour ago	21°C	Dry	Calm (2 kph at 15).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	19°C	Clear	Wind obs. (7 kph from 1 degs) was rejected.	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	13°C	Dry	Calm (3 kph at 285).
Bend 37 km SSE 1297m alt. 1 hour ago	21°C	Dry	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	19°C	Dry	Calm (2 kph at 323).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	19°C	Dry	Calm (3 kph at 47).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	14°C	Dry	Light winds from the W (11 kph at 273).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	21°C	Dry	Calm (2 kph at 150).

* 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.