– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Sun 12 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sun 12 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -5°C on Mon night, min -11°C on Mon morning). Winds increasing (calm on Sun morning, stormy winds from the WSW by Tue night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -4°C on Fri night, min -17°C on Wed night). Winds decreasing (severe gales from the WSW on Wed morning, calm by Fri afternoon).
	Sunday 12			Monday 13			Tuesday 14			Wednesday 15			Thursday 16			Friday 17
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	light snow	mod. snow	light snow	snow shwrs	some clouds	some clouds	cloudy	heavy snow	heavy snow	snow shwrs	snow shwrs	snow shwrs	clear	clear	clear	clear	some clouds
km/h	WSW	W	WNW	W	NNW	NW	W	WSW	W	W	W	NW	NNW	NNW	N	N	SSW	WSW
See all weather maps
cm	2	4	6	2	1	—	—	—	13	14	2	6	1	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-9	-8	-8	-9	-8	-5	-6	-6	-7	-11	-15	-17	-14	-11	-9	-6	-5	-4
min °C	-9	-9	-9	-11	-10	-6	-6	-7	-9	-13	-16	-17	-15	-13	-10	-8	-5	-5
chill °C	-12	-16	-21	-24	-21	-16	-16	-20	-23	-27	-31	-31	-29	-25	-20	-16	-5	-12

Freezing level m	1900	1900	1700	1500	1600	1150	2000	1850	1400	1250	1100	400	1100	1350	950	1950	2350	1700
Cloud base (m)	1800	1850	1800	1800	1800	1800	1800	2050	1800	1800	1900	1800	1800	1800	1800	1800	2100	1800

	6:28	—	—	6:26	—	—	6:24	—	—	6:24	—	—	6:22	—	—	6:20	—	—
	—	7:46	—	—	7:47	—	—	7:49	—	—	7:50	—	—	7:52	—	—	7:52	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -5°C on Mon night, min -11°C on Mon morning). Winds increasing (calm on Sun morning, stormy winds from the WSW by Tue night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -4°C on Fri night, min -17°C on Wed night). Winds decreasing (severe gales from the WSW on Wed morning, calm 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. 1 hour ago	10° C	Dry	Calm (2 kph at 253).
Bend 34 km E 1164.6m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 324).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	10° C	Dry and partly cloudy.	Light winds from the N (11 kph at 1).	16 km Low: few Mid: scattered High: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 58 minutes ago	4° C	Dry	Light winds from the WNW (8 kph at 284).
Bend 37 km SSE 1297m alt. 53 minutes ago	11° C	Dry	Light winds from the NW (8 kph at 311).
Bend 37 km ESE 1158m alt. 1 hour ago	9° C	Dry	Calm (2 kph at 315).
Bend wx 39 km E 1118m alt. 43 minutes ago	9° C	Dry	Calm (3 kph at 283).
Deschutes River Woods wx 40 km ESE 1185m alt. 3 hours ago	10° C	Dry	Wind obs. (8 kph from 212 degs) was rejected.
Rainbow wx 41 km WSW 410m alt. 1 hour ago	6° C	Dry	Calm (5 kph at 182).
Cloverdale wx 42 km NE 947m alt. 55 minutes ago	11° C	Dry	Calm (5 kph at 234).

* 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.