– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 9 am Wed 11 Nov Local Time

Updates in:

hr min s

Update imminent

Issued: 9 am Wed 11 Nov Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 4°C on Wed morning, min -10°C on Fri night). Winds increasing (strong winds from the SSW on Wed afternoon, extremely windy from the S by Fri morning).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Sat morning. Temperatures will be below freezing (max -3°C on Sat afternoon, min -11°C on Sun night). Winds decreasing (stormy winds from the SW on Sun morning, calm by Mon night).
	Wednesday 11			Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	cloudy	clear	some clouds	cloudy	mod. snow	snow shwrs	light snow	light snow	some clouds	snow shwrs	light snow	light snow	snow shwrs	cloudy	cloudy	cloudy
Cloud base (m)		6400	7150	7400	8400	6700	2100	1900	1800	1850	1800	1950	1800	1800	1800	1850	1950	1900
km/h	SSW	SSW	SSW	SSW	SSW	SSW	S	SW	SW	WSW	WSW	SW	SW	SW	SW	WSW	WSW	SSW
See all weather maps
cm	—	—	—	—	—	—	9	3	4	4	—	3	2	3	2	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	3	3	2	1	0	-5	-9	-8	-8	-3	-3	-5	-7	-9	-10	-9	-8
min °C	3	3	1	2	1	-5	-8	-9	-10	-8	-6	-4	-6	-7	-11	-10	-10	-9
chill °C	-4	-4	-7	-6	-8	-18	-20	-20	-24	-20	-16	-15	-17	-18	-22	-19	-16	-9

Freezing level m	3750	3650	3450	3450	3350	2950	2500	1800	1700	1800	2050	2300	2150	2000	1500	1700	1650	1450

	6:56	—	—	6:58	—	—	6:58	—	—	7:01	—	—	7:01	—	—	7:03	—	—
	—	4:44	—	—	4:43	—	—	4:42	—	—	4:40	—	—	4:39	—	—	4:38	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 4°C on Wed morning, min -10°C on Fri night). Winds increasing (strong winds from the SSW on Wed afternoon, extremely windy from the S by Fri morning).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sat morning. Temperatures will be below freezing (max -3°C on Sat afternoon, min -11°C on Sun night). Winds decreasing (stormy winds from the SW on Sun morning, calm by Mon 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 3 hours ago	13°C	Dry	Calm (0 kph at 77).
Bend 34 km E 1147m alt. 41 minutes ago	18°C	Dry	Calm (5 kph at 200).
Bend 34 km E 1164.6m alt. 1 hour ago	20°C	Dry	Light winds from the S (6 kph at 174).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	14°C	Clear	Light winds from the SSW (11 kph at 210).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	17°C	Dry	Calm (5 kph at 267).
Bend 37 km SSE 1297m alt. 1 hour ago	16°C	Dry	Calm (2 kph at 0).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	19°C	Dry	Calm (0 kph at 182).
Rainbow wx 41 km WSW 410m alt. 52 minutes ago	19°C	Dry	Calm (3 kph at 155).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	17°C	Dry	Calm (0 kph at 101).
La Pine 43 km SSE 1298m alt. 1 hour ago	16°C	Dry	Calm (0 kph at 160).

* 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.