– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sun 08 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sun 08 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Temperatures will be below freezing (max -1°C on Sun afternoon, min -17°C on Tue morning). Winds increasing (strong winds from the W on Tue afternoon, extremely windy from the W by Wed morning).											Days 5–7 Weather Summary A light covering of new snow mostly falling on Wed afternoon. Temperatures will be below freezing (max -2°C on Fri morning, min -6°C on Thu afternoon). Winds decreasing (extremely windy from the W on Wed night, stormy winds from the W by Fri afternoon).
	Sun 8		Monday 9			Tuesday 10			Wednesday 11			Thursday 12			Friday 13
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	snow shwrs	snow shwrs	some clouds	some clouds	light snow	light snow	cloudy	cloudy	cloudy	snow shwrs	clear	cloudy	some clouds
km/h	W	W	W	W	W	W	WNW	W	W	W	W	W	W	W	W	W	W
See all weather maps
cm	—	—	—	—	1	2	—	—	1	2	—	—	—	3	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-1	-7	-9	-12	-17	-12	-7	-5	-4	-3	-4	-5	-4	-2	-2	-2
min °C	-1	-5	-9	-10	-16	-17	-15	-9	-5	-4	-4	-5	-6	-6	-3	-3	-3
chill °C	-11	-18	-22	-24	-32	-32	-29	-22	-18	-17	-17	-19	-20	-19	-15	-14	-15

Freezing level m	3050	1550	1050	1250	600	850	1200	1000	1900	2050	2200	2250	2200	2200	2550	2400	2400
Cloud base (m)	1900	1800	1800	1850	1800	1850	1950	2000	1850	1800	1800	1800	1800	1800	1800	1800	1800

	—	—	7:30	—	—	7:28	—	—	7:26	—	—	7:24	—	—	7:22	—	—
	—	8:02	—	7:05	—	—	7:06	—	—	7:07	—	—	7:08	—	—	7:09	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Temperatures will be below freezing (max -1°C on Sun afternoon, min -17°C on Tue morning). Winds increasing (strong winds from the W on Tue afternoon, extremely windy from the W by Wed morning).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Wed afternoon. Temperatures will be below freezing (max -2°C on Fri morning, min -6°C on Thu afternoon). Winds decreasing (extremely windy from the W on Wed night, stormy winds from the W 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. 1 hour ago	8° C	Dry	Calm (2 kph at 67).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	7° C	Dry and cloudy.	Moderate winds from the SSW (20 kph at 200).	16 km Low: broken Mid: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 56 minutes ago	6° C	Dry	Calm (0 kph at 250).
Bend 37 km ESE 1158m alt. 1 hour ago	8° C	Dry	Calm (2 kph at 148).
Bend wx 39 km E 1118m alt. 47 minutes ago	8° C	Dry	Light winds from the SW (14 kph at 226).
Camp Sherman 39 km NNE 920.5m alt. 52 minutes ago	7° C	Dry	Calm (5 kph at 178).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	8° C	Dry	Wind obs. (6 kph from 195 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 46 minutes ago	9° C	Dry	Calm (2 kph at 149).

* 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.