– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Sun 16 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sun 16 Nov Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Temperatures will be below freezing (max -3°C on Mon night, min -7°C on Tue afternoon). Winds decreasing (strong winds from the SSW on Sun night, light winds from the WSW by Wed morning).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Fri afternoon, min -7°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the NW by Fri night).
		Monday 17			Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Saturday 22
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	clear	some clouds	some clouds	clear	clear	some clouds	some clouds	cloudy	some clouds	clear	some clouds	some clouds	some clouds	clear	some clouds	clear
km/h	S	S	S	WSW	WSW	W	NW	WSW	SSW	S	NE	NE	SE	NW	NW	NW	NNW	W	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-5	-5	-5	-3	-4	-6	-4	-3	-3	-4	-6	-4	0	0	1	1	1	1	1
min°C	-6	-5	-6	-4	-5	-7	-6	-4	-4	-7	-7	-5	-3	0	0	-1	0	0	0
chill°C	-14	-12	-13	-11	-11	-14	-12	-8	-11	-7	-13	-10	-3	-4	-6	-8	-6	-6	-7

Freezing level (m)	2450	2400	2200	2200	2100	1900	1600	2350	2500	1850	2000	2100	2950	3200	3250	3250	3150	3250	3250
Cloud base (m)	1950	1950	2200	1800	1800	2150		7750		2100	1900	1850	1950		6800	8000	8150	6150	9000

	—	7:05	—	—	7:05	—	—	7:07	—	—	7:07	—	—	7:09	—	—	7:11	—	—
	—	—	4:37	—	—	4:37	—	—	4:36	—	—	4:36	—	—	4:35	—	—	4:34	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Temperatures will be below freezing (max -3°C on Mon night, min -7°C on Tue afternoon). Winds decreasing (strong winds from the SSW on Sun night, light winds from the WSW by Wed morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 1°C on Fri afternoon, min -7°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the NW by Fri 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 181).
Sunriver 34 km SE 1242m alt. 43 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	8° C	Dry	Light winds from the S (8 kph at 169).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	5° C	Dry and cloudy.	Light winds from the SSE (6 kph at 160).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	5° C	Dry	Calm (0 kph at 183).
Bend 37 km SSE 1297m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 205).
Bend wx 39 km E 1118m alt. 2 hours ago	8° C	Dry	Light winds from the SW (6 kph at 219).
Camp Sherman 39 km NNE 920.5m alt. 36 minutes ago	6° C	Dry	Calm (0 kph at 0).

* 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.