– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Tue 14 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Tue 14 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -5°C on Fri afternoon, min -18°C on Wed night). Winds decreasing (extremely windy from the W on Tue night, light winds from the WSW by Fri afternoon).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 2°C on Mon afternoon, min -5°C on Fri night). Winds increasing (light winds from the WSW on Sat morning, near gales from the S by Sun morning).
		Wednesday 15			Thursday 16			Friday 17			Saturday 18			Sunday 19			Monday 20
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy snow	heavy snow	snow shwrs	heavy snow	snow shwrs	clear	clear	clear	some clouds	some clouds	some clouds	clear	some clouds	some clouds	cloudy	some clouds	cloudy	cloudy	some clouds
km/h	WSW	W	W	WNW	NNW	NNW	NNW	NNW	WSW	SW	SW	SSE	S	S	SSE	S	SSE	S	S
See all weather maps
cm	11	20	4	16	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-7	-9	-15	-17	-14	-12	-8	-7	-5	-3	-3	-2	-1	-1	0	1	1	2	1
min °C	-8	-13	-15	-18	-16	-13	-11	-8	-6	-5	-3	-3	-1	-1	-2	0	1	0	0
chill °C	-22	-29	-31	-33	-31	-25	-22	-16	-11	-11	-8	-9	-8	-9	-10	-7	-6	-7	-8

Freezing level m	1600	1250	1100	650	1050	1350	700	1800	2300	1700	2700	2900	3050	3050	3150	3250	3300	3400	3200
Cloud base (m)	1800	1800	1800	1800	1850	1850	1800	1800	2100	5100	1800		5500	4200	3950	5600	6200	5500	4050

	—	6:24	—	—	6:22	—	—	6:20	—	—	6:18	—	—	6:16	—	—	6:15	—	—
	—	—	7:50	—	—	7:52	—	—	7:52	—	—	7:53	—	—	7:54	—	—	7:55	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -5°C on Fri afternoon, min -18°C on Wed night). Winds decreasing (extremely windy from the W on Tue night, light winds from the WSW by Fri afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 2°C on Mon afternoon, min -5°C on Fri night). Winds increasing (light winds from the WSW on Sat morning, near gales from the S by Sun 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	5° C	Dry	Calm (2 kph at 39).
Bend 34 km E 1164.6m alt. 38 minutes ago	4° C	Dry	Light winds from the S (10 kph at 169).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	3° C	Dry and partly cloudy.	Moderate winds from the SSW (24 kph at 200).	16 km Low: few Mid: scattered High: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	-1° C	-	Calm (5 kph at 262).
Bend 37 km SSE 1297m alt. 2 hours ago	2° C	-	Calm (2 kph at 232).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (2 kph at 166).
Bend wx 39 km E 1118m alt. 3 hours ago	4° C	Dry	Light winds from the SW (18 kph at 217).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	3° C	Dry	Calm (5 kph at 177).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	1° C	-	Moderate winds from the SSE (27 kph at 154).
Cloverdale wx 42 km NE 947m alt. 37 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.