– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 pm Sat 24 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Sat 24 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 Mon morning. Temperatures will be below freezing (max 0°C on Sat night, min -9°C on Sun night). Winds decreasing (gales from the SSW on Sun night, moderate winds from the W by Tue afternoon).										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Wed night. Temperatures will be well below freezing (max -6°C on Tue night, min -12°C on Wed night). Winds decreasing (near gales from the WSW on Wed afternoon, light winds from the WSW by Fri morning).
		Sunday 25			Monday 26			Tuesday 27			Wednesday 28			Thursday 29
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	cloudy	snow shwrs	mod. snow	mod. snow	light snow	snow shwrs	some clouds	clear	clear	snow shwrs	snow shwrs	clear	snow shwrs	snow shwrs
Cloud base (m)	6250	6700	6650	1900	1800	1800	1800	1800	1850	1800	1800	1800	1800	1800	1800	1800
km/h	WSW	SW	SSW	SW	W	W	W	W	WNW	W	W	WSW	WSW	WSW	WSW	WSW
See all weather maps
cm	—	—	—	3	7	7	4	1	—	—	—	2	5	—	2	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	0	-2	-3	-5	-9	-8	-8	-9	-8	-6	-8	-10	-11	-12	-11	-10
min °C	-1	-2	-4	-9	-9	-9	-9	-9	-9	-8	-10	-10	-12	-12	-12	-12
chill °C	-10	-11	-14	-20	-20	-21	-20	-19	-17	-16	-22	-22	-24	-23	-23	-23

Freezing level m	3150	2850	2650	1800	1750	1800	1800	1850	1900	1650	1750	1700	1350	1600	1600	650

	—	7:33	—	—	7:35	—	—	7:35	—	—	7:37	—	—	7:39	—	—
	—	—	6:07	—	—	6:06	—	—	6:04	—	—	6:02	—	—	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 morning. Temperatures will be below freezing (max 0°C on Sat night, min -9°C on Sun night). Winds decreasing (gales from the SSW on Sun night, moderate winds from the W by Tue afternoon).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Wed night. Temperatures will be well below freezing (max -6°C on Tue night, min -12°C on Wed night). Winds decreasing (near gales from the WSW on Wed afternoon, light winds from the WSW by Fri 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	2°C	-	Calm (0 kph at 242).
Bend 34 km E 1147m alt. 1 hour ago	7°C	Dry	Calm (2 kph at 1).
Bend 34 km E 1164.6m alt. 1 hour ago	11°C	Dry	Light winds from the SW (10 kph at 219).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	1°C	Clear	Light winds from the SW (7 kph at 220).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 59 minutes ago	3°C	Dry	Calm (0 kph at 228).
Bend 37 km SSE 1297m alt. 41 minutes ago	-2°C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	8°C	Dry	Calm (0 kph at 191).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-1°C	-	Calm (0 kph at 8).
Rainbow wx 41 km WSW 410m alt. 32 minutes ago	11°C	Dry	Light winds from the S (13 kph at 175).
Cloverdale wx 42 km NE 947m alt. 31 minutes ago	2°C	-	Calm (0 kph at 211).

* 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.