– 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 moderate fall of snow, heaviest on Mon afternoon. Freeze-thaw conditions (max 3°C on Sun afternoon, min -5°C on Sun night). Winds increasing (moderate winds from the W on Tue morning, strong winds from the W by Tue night).									Days 4–6 Weather Summary Mostly dry. Temperatures will be below freezing (max -1°C on Thu morning, min -6°C on Wed morning). Winds decreasing (strong winds from the W on Wed morning, light 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	light snow	light snow	light snow	cloudy	some clouds	cloudy	some clouds	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	SW	SW	WSW	W	W	W	W	W	W	WSW	WSW	SW	SSW	SW	SSW	SSW	SSW
See all weather maps
cm	—	—	2	3	4	5	2	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	2	3	-1	-5	-4	-4	-5	-4	-3	-4	-3	-3	-1	-1	-3	-3	-3	-3
min °C	2	1	-5	-5	-5	-5	-5	-5	-5	-6	-4	-3	-3	-2	-4	-4	-3	-4
chill °C	-5	-6	-14	-14	-14	-14	-12	-13	-13	-15	-13	-11	-11	-9	-11	-11	-9	-11

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 moderate fall of snow, heaviest on Mon afternoon. Freeze-thaw conditions (max 3°C on Sun afternoon, min -5°C on Sun night). Winds increasing (moderate winds from the W on Tue morning, strong winds from the W by Tue night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Temperatures will be below freezing (max -1°C on Thu morning, min -6°C on Wed morning). Winds decreasing (strong winds from the W on Wed morning, light winds from the SSW by Fri afternoon).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 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	18°C	Dry	Calm (3 kph at 258).
Bend 34 km E 1147m alt. 42 minutes ago	16°C	Dry	Light winds from the S (6 kph at 183).
Bend 34 km E 1164.6m alt. 2 hours ago	15°C	Dry	Calm (5 kph at 244).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	14°C	Clear	Moderate winds from the SSW (26 kph at 200).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	12°C	Dry	Calm (2 kph at 316).
Bend 37 km SSE 1297m alt. 43 minutes ago	14°C	Dry	Calm (5 kph at 157).
Bend 37 km ESE 1158m alt. 1 hour ago	16°C	Dry	Calm (2 kph at 134).
Camp Sherman 39 km NNE 920.5m alt. 3 hours ago	17°C	Dry	Wind obs. (6 kph from 202 degs) was rejected.
Rainbow wx 41 km WSW 410m alt. 38 minutes ago	8°C	Dry	Fresh winds from the WSW (32 kph at 241).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	18°C	Dry	Calm (5 kph at 175).

* 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.