– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 pm Sun 25 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Sun 25 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 Sun night. Temperatures will be well below freezing (max -6°C on Sun night, min -9°C on Sun night). Winds decreasing (gales from the SW on Sun night, fresh winds from the WNW by Tue morning).										Days 5–7 Weather Summary A dusting of new snow. Temperatures will be well below freezing (max -6°C on Wed night, min -12°C on Sat morning). Winds decreasing (gales from the WSW on Wed night, moderate winds from the SSW by Fri afternoon).
		Monday 26			Tuesday 27			Wednesday 28			Thursday 29			Friday 30
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	light snow	mod. snow	light snow	light snow	snow shwrs	clear	snow shwrs	snow shwrs	some clouds	cloudy	cloudy	some clouds	clear	clear	cloudy
Cloud base (m)	1850	1800	1800	1800	1800	1800	1800	1800	1800	1900	2000	1850	1800		2650
km/h	WSW	W	W	W	WNW	W	WNW	W	W	WSW	SW	SSW	WSW	SW	SSW	SW
See all weather maps
cm	10	3	7	5	4	2	—	2	1	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-9	-8	-8	-9	-8	-6	-9	-7	-6	-6	-6	-7	-10	-11	-10
min °C	-9	-9	-8	-9	-9	-9	-9	-9	-8	-7	-7	-7	-10	-10	-11	-11
chill °C	-21	-19	-20	-20	-19	-21	-22	-21	-20	-19	-18	-17	-22	-19	-20	-22

Freezing level m	1750	1750	1750	1750	1800	1750	1400	1750	1850	1300	2050	2150	1500	1750	1850	1200

	—	7:35	—	—	7:35	—	—	7:37	—	—	7:39	—	—	7:39	—	—
	—	—	6:06	—	—	6:04	—	—	6:02	—	—	6:00	—	—	6:00	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Sun night. Temperatures will be well below freezing (max -6°C on Sun night, min -9°C on Sun night). Winds decreasing (gales from the SW on Sun night, fresh winds from the WNW by Tue morning).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Temperatures will be well below freezing (max -6°C on Wed night, min -12°C on Sat morning). Winds decreasing (gales from the WSW on Wed night, moderate winds from the SSW 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	5°C	Dry	Calm (2 kph at 104).
Bend 34 km E 1147m alt. 28 minutes ago	6°C	Dry	Calm (3 kph at 229).
Bend 34 km E 1164.6m alt. 28 minutes ago	6°C	Dry	Calm (5 kph at 213).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 58 minutes ago	6°C	Dry and partly cloudy.	Light winds from the SSW (15 kph at 210).	16 km Low: few Mid: scattered High: broken
Black Butte Ranch wx 36 km NW 1429m alt. 32 minutes ago	2°C	-	Calm (0 kph at 68).
Bend 37 km SSE 1297m alt. 46 minutes ago	4°C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 58 minutes ago	6°C	Dry	Calm (0 kph at 112).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	6°C	Dry	Calm (0 kph at 81).
Rainbow wx 41 km WSW 410m alt. 25 minutes ago	3°C	Dry	Light winds from the S (18 kph at 189).
Cloverdale wx 42 km NE 947m alt. 57 minutes ago	6°C	Dry	Calm (0 kph at 221).

* 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.