– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 am Sun 25 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Sun 25 Oct 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 Mon afternoon. Temperatures will be below freezing (max -2°C on Sun morning, min -9°C on Sun night). Winds decreasing (gales from the SSW on Sun night, moderate winds from the WNW by Tue morning).									Days 4–6 Weather Summary Mostly dry. Temperatures will be below freezing (max -5°C on Wed night, min -9°C on Wed morning). Winds decreasing (near gales from the WSW on Wed night, moderate winds from the SSW by Fri afternoon).
	Sunday 25			Monday 26			Tuesday 27			Wednesday 28			Thursday 29			Friday 30
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	snow shwrs	light snow	mod. snow	mod. snow	light snow	snow shwrs	snow shwrs	clear	clear	some clouds	some clouds	cloudy	cloudy	cloudy	cloudy	some clouds
Cloud base (m)	6800	6550	1850	1800	1800	1800	1800	1800	1800	1800	1800	1800	6400	5550	1800	4450	2650	3800
km/h	SW	SSW	SW	WSW	WNW	W	WNW	W	W	W	WSW	WSW	SW	SSW	SW	SSW	SSW	SSW
See all weather maps
cm	—	—	3	3	6	6	4	1	1	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-2	-3	-5	-9	-9	-8	-9	-8	-6	-8	-7	-5	-5	-5	-6	-7	-8	-6
min °C	-3	-4	-9	-9	-9	-9	-9	-9	-9	-9	-8	-6	-5	-6	-7	-8	-8	-7
chill °C	-13	-13	-20	-20	-21	-21	-19	-20	-20	-21	-19	-17	-15	-16	-17	-18	-17	-18

Freezing level m	2800	2650	1900	1750	1800	1800	1800	1800	1350	1800	1900	1300	2300	2250	1450	2050	2150	1650

	7:33	—	—	7:35	—	—	7:35	—	—	7:37	—	—	7:39	—	—	7:39	—	—
	—	6:07	—	—	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 Mon afternoon. Temperatures will be below freezing (max -2°C on Sun morning, min -9°C on Sun night). Winds decreasing (gales from the SSW on Sun night, moderate winds from the WNW by Tue morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Temperatures will be below freezing (max -5°C on Wed night, min -9°C on Wed morning). Winds decreasing (near 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. 47 minutes ago	13°C	Dry	Calm (0 kph at 203).
Bend 34 km E 1147m alt. 33 minutes ago	12°C	Dry	Calm (3 kph at 203).
Bend 34 km E 1164.6m alt. 28 minutes ago	13°C	Dry	Light winds from the SW (8 kph at 224).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	9°C	Clear	Light winds from the SW (17 kph at 220).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 36 minutes ago	11°C	Dry	Calm (0 kph at 304).
Bend 37 km SSE 1297m alt. 1 hour ago	12°C	Dry	Calm (2 kph at 146).
Bend 37 km ESE 1158m alt. 47 minutes ago	13°C	Dry	Calm (2 kph at 219).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	8°C	Dry	Calm (0 kph at 241).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	11°C	Dry	Light winds from the S (14 kph at 191).
Cloverdale wx 42 km NE 947m alt. 45 minutes ago	15°C	Dry	Calm (0 kph at 44).

* 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.