– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Fri 18 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Fri 18 Apr 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 0°C on Fri night, min -8°C on Sun morning). Winds increasing (light winds from the NNE on Fri night, severe gales from the WNW by Sun night).											Days 5–7 Weather Summary Mostly dry. Temperatures will be below freezing (max -1°C on Wed night, min -8°C on Tue morning). Winds decreasing (fresh winds from the WNW on Mon night, calm by Wed morning).
	Fri 18		Saturday 19			Sunday 20			Monday 21			Tuesday 22			Wednesday 23
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	cloudy	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	some clouds
km/h	NNE	WNW	WNW	NW	WNW	WNW	WNW	WNW	NW	WNW	WNW	WNW	WNW	NNW	N	S	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-1	0	-4	-2	-3	-6	-7	-7	-6	-6	-6	-7	-8	-5	-5	-3	-1
min°C	-3	-1	-5	-3	-5	-8	-8	-7	-6	-6	-7	-8	-8	-7	-5	-4	-3
chill°C	-10	-8	-14	-11	-14	-18	-18	-18	-17	-14	-15	-14	-12	-12	-10	-4	-9

Freezing level (m)	3000	3150	2500	2800	1500	2050	1900	1250	2100	2350	1350	2150	2200	1600	2550	2800	2900
Cloud base (m)		7250	2550		1800	1800	1950	1800		6000	6450		3250				6550

	—	—	6:16	—	—	6:15	—	—	6:13	—	—	6:11	—	—	6:11	—	—
	7:53	—	—	7:54	—	—	7:55	—	—	7:58	—	—	7:59	—	—	—	8:00

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Temperatures will be below freezing (max 0°C on Fri night, min -8°C on Sun morning). Winds increasing (light winds from the NNE on Fri night, severe gales from the WNW by Sun night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Temperatures will be below freezing (max -1°C on Wed night, min -8°C on Tue morning). Winds decreasing (fresh winds from the WNW on Mon night, calm by Wed morning).

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	19° C	Dry	Calm (3 kph at 154).
Sisters wx 25 km NNE 1022m alt. 37 minutes ago	19° C	Dry	Calm (2 kph at 106).
Sunriver 34 km SE 1242m alt. 37 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	18° C	Dry	Calm (5 kph at 26).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	15° C	Clear	Light winds from the ENE.(Wind varies from 030 to 100 degs) (13 kph at 70).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 53 minutes ago	13° C	Dry	Calm (0 kph at 27).
Bend wx 36 km E 1118m alt. 48 minutes ago		Dry
Bend 37 km SSE 1297m alt. 1 hour ago	17° C	Dry	Wind obs. (6 kph from 198 degs) was rejected.
Bend 37 km ESE 1158m alt. 37 minutes ago	18° C	Dry	Calm (3 kph at 322).
Bend wx 39 km E 1118m alt. 2 hours ago	18° C	Dry	Light winds from the NW (6 kph at 310).

* 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.