– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 pm Mon 26 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Mon 26 Oct 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 Tue morning. Temperatures will be well below freezing (max -6°C on Wed night, min -10°C on Tue night). Mainly gales.										Days 5–7 Weather Summary A dusting of new snow. Temperatures will be well below freezing (max -6°C on Sun afternoon, min -12°C on Sat night). Winds decreasing (near gales from the SSW on Thu night, moderate winds from the NNW by Sun afternoon).
		Tuesday 27			Wednesday 28			Thursday 29			Friday 30			Saturday 31
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	mod. snow	mod. snow	light snow	snow shwrs	snow shwrs	snow shwrs	some clouds	cloudy	cloudy	cloudy	snow shwrs	clear	some clouds	cloudy	cloudy	some clouds
Cloud base (m)	1800	1800	1800	1800	1800	1800	1800	1800	2900	1800	1800	2000	7000	6700	6550	1800
km/h	W	WSW	WNW	WNW	W	W	WSW	SW	SSW	SSW	SW	SW	SW	SW	SSW	WSW
See all weather maps
cm	8	8	1	3	2	1	—	—	—	—	2	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-8	-8	-8	-8	-9	-7	-6	-7	-7	-7	-10	-9	-8	-9	-9	-10
min °C	-8	-9	-8	-10	-10	-9	-8	-7	-7	-9	-11	-10	-9	-9	-10	-12
chill °C	-20	-18	-17	-22	-23	-21	-19	-17	-18	-21	-24	-21	-19	-18	-19	-22

Freezing level m	1800	1750	1700	1250	1700	1800	1300	2000	2150	1500	1600	1800	1100	1950	2000	1100

	—	7:35	—	—	7:37	—	—	7:39	—	—	7:39	—	—	7:41	—	—
	—	—	6:04	—	—	6:02	—	—	6:00	—	—	6:00	—	—	5:58	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Tue morning. Temperatures will be well below freezing (max -6°C on Wed night, min -10°C on Tue night). Mainly gales.

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Temperatures will be well below freezing (max -6°C on Sun afternoon, min -12°C on Sat night). Winds decreasing (near gales from the SSW on Thu night, moderate winds from the NNW by Sun 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. 58 minutes ago	4°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 2 hours ago	4°C	Dry	Calm (0 kph at 262).
Bend 34 km E 1164.6m alt. 32 minutes ago	4°C	Dry	Light winds from the SSE (8 kph at 161).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	3°C	Dry and partly cloudy.	Light winds from the SW (17 kph at 220).	16 km Low: few Mid: broken
Black Butte Ranch wx 36 km NW 1429m alt. 53 minutes ago	1°C	-	Calm (2 kph at 283).
Bend 37 km SSE 1297m alt. 1 hour ago	1°C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	5°C	Dry	Calm (0 kph at 219).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	4°C	Dry	Calm (0 kph at 89).
Rainbow wx 41 km WSW 410m alt. 30 minutes ago	3°C	Dry	Moderate winds from the SSW (23 kph at 202).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	4°C	Dry	Calm (0 kph at 232).

* 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.