– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 9 pm Wed 11 Nov Local Time

Updates in:

hr min s

Update imminent

Issued: 9 pm Wed 11 Nov Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 3°C on Wed night, min -10°C on Fri night). Winds increasing (strong winds from the SSW on Wed night, stormy winds from the S by Thu night).										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Sat night. Temperatures will be below freezing (max -3°C on Sat night, min -11°C on Sun night). Winds decreasing (severe gales from the SW on Sat night, calm by Mon night).
		Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	clear	some clouds	cloudy	mod. snow	cloudy	light snow	light snow	some clouds	light snow	light snow	light snow	snow shwrs	cloudy	cloudy	some clouds
Cloud base (m)	7000	7450	8300	6250	1950	1800	1800	1850	1800	1900	1800	1800	1800	1850	2050	1800
km/h	SSW	SSW	SSW	SSW	S	SW	WSW	WSW	WSW	SW	SW	SW	SW	SW	WSW	W
See all weather maps
cm	—	—	—	—	9	—	3	3	—	3	3	3	2	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	3	2	1	-1	-6	-8	-8	-8	-5	-3	-6	-7	-9	-10	-10	-9
min °C	1	2	0	-6	-8	-9	-10	-8	-7	-5	-7	-8	-11	-10	-10	-10
chill °C	-7	-6	-10	-19	-21	-22	-23	-20	-18	-17	-18	-18	-23	-20	-17	-14

Freezing level m	3450	3450	3250	2700	2350	2000	1600	1800	2000	2300	2150	2000	1500	1700	1700	1200

	—	6:58	—	—	6:58	—	—	7:01	—	—	7:01	—	—	7:03	—	—
	—	—	4:43	—	—	4:42	—	—	4:40	—	—	4:39	—	—	4:38	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 3°C on Wed night, min -10°C on Fri night). Winds increasing (strong winds from the SSW on Wed night, stormy winds from the S by Thu night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sat night. Temperatures will be below freezing (max -3°C on Sat night, min -11°C on Sun night). Winds decreasing (severe gales from the SW on Sat night, calm by Mon night).

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. 38 minutes ago	3°C	Dry	Calm (2 kph at 229).
Bend 34 km E 1147m alt. 55 minutes ago	7°C	Dry	Calm (2 kph at 204).
Bend 34 km E 1164.6m alt. 48 minutes ago	12°C	Dry	Light winds from the S (11 kph at 188).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	2°C	Clear	Light winds from the SSW (7 kph at 200).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 43 minutes ago	3°C	Dry	Calm (0 kph at 345).
Bend 37 km SSE 1297m alt. 1 hour ago	0°C	-	Calm (0 kph at 0).
Camp Sherman 39 km NNE 920.5m alt. 45 minutes ago	2°C	-	Calm (0 kph at 248).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	10°C	Dry	Calm (2 kph at 264).
Rainbow wx 41 km WSW 410m alt. 34 minutes ago	12°C	Dry	Calm (2 kph at 227).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	3°C	Dry	Calm (0 kph at 225).

* 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.