– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 pm Sat 17 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Sat 17 Oct 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 Sun morning, min -3°C on Mon morning). Winds decreasing (gales from the SSW on Mon morning, moderate winds from the SSE by Mon night).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Tue night, min -1°C on Wed night). Winds increasing (calm on Wed afternoon, strong winds from the N by Thu night).
		Sunday 18			Monday 19			Tuesday 20			Wednesday 21			Thursday 22
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	light snow	cloudy	cloudy	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	clear
Cloud base (m)	6200	9250	8450	6300	1800	2850	4650	4500	5200	6300	5700	3200	3050	2850	5650	1800
km/h	WSW	WSW	SSW	SSW	SSW	SSW	SSE	S	S	SSE	ESE	SW	NNE	N	NNW	N
See all weather maps
cm	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	3	4	2	2	-2	-3	-1	0	0	1	1	1	0	-1	0	1
min °C	3	3	2	0	-3	-3	-2	-2	-1	0	1	0	-1	-1	0	0
chill °C	-4	-3	-3	-8	-13	-11	-9	-9	-8	-6	-3	0	-5	-5	-5	-7

Freezing level m	3600	3700	3550	3400	2600	2700	2750	3100	3100	3300	3350	3200	3100	3000	3150	3250

	—	7:24	—	—	7:26	—	—	7:26	—	—	7:28	—	—	7:30	—	—
	—	—	6:17	—	—	6:16	—	—	6:15	—	—	6:13	—	—	6:12	—

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 Sun morning, min -3°C on Mon morning). Winds decreasing (gales from the SSW on Mon morning, moderate winds from the SSE by Mon night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 1°C on Tue night, min -1°C on Wed night). Winds increasing (calm on Wed afternoon, strong winds from the N by Thu night).

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	3°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 2 hours ago	2°C	-	Calm (2 kph at 1).
Bend 34 km E 1164.6m alt. 2 hours ago	7°C	Dry	Calm (0 kph at 106).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	2°C	Clear	Wind obs. (6 kph from 20 degs) was rejected.	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	-1°C	-	Calm (0 kph at 288).
Bend 37 km SSE 1297m alt. 51 minutes ago	-2°C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	4°C	Dry	Calm (0 kph at 307).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	8°C	Dry	Calm (3 kph at 62).
Cloverdale wx 42 km NE 947m alt. 3 hours ago	8°C	Dry	Calm (0 kph at 355).
La Pine 43 km SSE 1298m alt. 1 hour ago	3°C	Dry	Calm (0 kph at 9).

* 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.