– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 pm Sat 31 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Sat 31 Oct Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 3°C on Mon morning, min -8°C on Sat night). Winds increasing (calm on Sun afternoon, strong winds from the S by Mon night).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Wed night, min -5°C on Tue night). Winds increasing (light winds from the WNW on Wed morning, gales from the WNW by Fri afternoon).
		Sunday 1			Monday 2			Tuesday 3			Wednesday 4			Thursday 5
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	some clouds	clear	cloudy	cloudy	cloudy	cloudy	some clouds	clear	some clouds	some clouds	some clouds	clear	clear	some clouds
Cloud base (m)	1800	1850	2600		6600	5450	5250	5600	2400	2150	2200	2400	7000	8000	6700	2600
km/h	ESE	NNE	NNW	NW	S	SSW	S	SSW	WNW	WNW	WSW	WNW	WNW	W	W	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-8	-7	-6	2	3	2	2	-3	-6	-5	-4	-2	1	-1	-1	0
min °C	-8	-7	-6	-4	3	2	-1	-4	-7	-5	-4	-2	-3	-1	-1	-2
chill °C	-16	-14	-10	-8	1	-4	-6	-10	-14	-11	-8	-9	-12	-8	-8	-12

Freezing level m	1650	2200	2350	3250	3650	3550	3300	2500	2350	2150	2600	2750	3250	3050	3050	3000

	—	6:43	—	—	7:43	—	—	7:45	—	—	7:47	—	—	7:48	—	—
	—	—	4:57	—	—	5:55	—	—	5:53	—	—	5:52	—	—	5:52	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 3°C on Mon morning, min -8°C on Sat night). Winds increasing (calm on Sun afternoon, strong winds from the S by Mon night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 1°C on Wed night, min -5°C on Tue night). Winds increasing (light winds from the WNW on Wed morning, gales from the WNW by Fri 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	1°C	-	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 2 hours ago	2°C	-	Calm (0 kph at —).
Bend 34 km E 1164.6m alt. 1 hour ago	2°C	-	Calm (0 kph at 61).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 49 minutes ago	2°C	Dry and cloudy.	Light winds from the NE (17 kph at 40).	16 km Low: overcast
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	2°C	Dry and cloudy.	Light winds from the N (11 kph at 10).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 38 minutes ago	-1°C	-	Calm (0 kph at 193).
Bend 37 km SSE 1297m alt. 58 minutes ago	0°C	-	Calm (2 kph at 52).
Bend 37 km ESE 1158m alt. 1 hour ago	2°C	-	Calm (0 kph at 317).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	1°C	-	Calm (0 kph at 178).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	3°C	Dry	Light winds from the ENE (6 kph at 62).

* 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.