– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 9 pm Thu 12 Nov Local Time

Updates in:

hr min s

Update imminent

Issued: 9 pm Thu 12 Nov 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 Fri afternoon. Temperatures will be below freezing (max 0°C on Thu night, min -10°C on Fri afternoon). Winds decreasing (extremely windy from the SSW on Thu night, moderate winds from the SW by Sun afternoon).										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Tue night. Temperatures will be well below freezing (max -7°C on Tue night, min -13°C on Wed morning). Winds decreasing (gales from the SSW on Tue night, light winds from the SSW by Wed afternoon).
		Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	light snow	mod. snow	mod. snow	light snow	cloudy	light snow	light snow	light snow	some clouds	clear	clear	clear	clear	clear	snow shwrs
Cloud base (m)	6800	1850	1850	1800	1850	1800	2000	1800	1800	1800	1850	1850	1800			2200
km/h	SSW	S	SW	WSW	WSW	SW	WSW	SW	SSW	WSW	W	WNW	WNW	W	SW	SSW
See all weather maps
cm	—	3	6	7	3	—	5	2	3	—	—	—	—	—	—	6
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	0	-5	-9	-8	-8	-4	-3	-6	-8	-9	-11	-10	-10	-9	-8	-7
min °C	-5	-6	-10	-10	-8	-5	-5	-7	-8	-11	-11	-11	-11	-10	-9	-11
chill °C	-18	-15	-22	-23	-20	-15	-17	-17	-16	-19	-18	-18	-19	-19	-18	-21

Freezing level m	2950	2400	1850	1600	1850	2100	2450	2000	1850	1400	1650	1600	950	1600	1750	1250

	—	6:58	—	—	7:01	—	—	7:01	—	—	7:03	—	—	7:05	—	—
	—	—	4:42	—	—	4:40	—	—	4:39	—	—	4:38	—	—	4:37	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Fri afternoon. Temperatures will be below freezing (max 0°C on Thu night, min -10°C on Fri afternoon). Winds decreasing (extremely windy from the SSW on Thu night, moderate winds from the SW by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Tue night. Temperatures will be well below freezing (max -7°C on Tue night, min -13°C on Wed morning). Winds decreasing (gales from the SSW on Tue night, light winds from the SSW by Wed 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	4°C	Dry	Calm (3 kph at 293).
Bend 34 km E 1147m alt. 1 hour ago	13°C	Dry	Light winds from the SSW (8 kph at 209).
Bend 34 km E 1164.6m alt. 1 hour ago	13°C	Dry	Light winds from the SSE (14 kph at 155).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 45 minutes ago	11°C	Dry and partly cloudy.	Fresh winds from the SSW (31 kph at 210).	16 km Low: scattered Mid: scattered
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	12°C	Dry and cloudy.	Moderate winds from the SSW (28 kph at 200).	16 km Low: broken Mid: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 47 minutes ago	8°C	Dry	Calm (0 kph at 166).
Bend 37 km SSE 1297m alt. 1 hour ago	10°C	Dry	Calm (3 kph at 191).
Camp Sherman 39 km NNE 920.5m alt. 51 minutes ago	4°C	Dry	Calm (0 kph at 186).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	12°C	Dry	Moderate winds from the SE (27 kph at 130).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	4°C	Dry	Calm (0 kph at 42).

* 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.