– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Sun 04 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sun 04 Jan 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 Tue night. Temperatures will be well below freezing (max -8°C on Tue afternoon, min -16°C on Wed morning). Winds increasing (moderate winds from the WSW on Mon morning, extremely windy from the W by Tue afternoon).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max 0°C on Sat morning, min -17°C on Wed night). Winds decreasing (stormy winds from the WNW on Thu morning, light winds from the SW by Fri night).
	Sun 4		Monday 5			Tuesday 6			Wednesday 7			Thursday 8			Friday 9
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	mod. snow	light snow	clear	some clouds	light snow	heavy snow	snow shwrs	snow shwrs	heavy snow	heavy snow	snow shwrs	light snow	snow shwrs	clear	clear	clear
km/h	SW	WSW	WSW	WSW	WSW	WSW	W	W	W	W	W	WNW	WNW	WNW	WNW	WNW	W
See all weather maps
cm	—	6	1	—	—	1	11	18	7	15	26	5	5	2	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-12	-12	-12	-11	-9	-9	-8	-10	-14	-14	-13	-14	-11	-7	-6	-3	-1
min °C	-12	-13	-12	-11	-10	-11	-9	-14	-16	-14	-17	-16	-12	-10	-7	-5	-2
chill °C	-26	-26	-21	-20	-21	-26	-24	-30	-32	-30	-34	-33	-27	-23	-15	-10	-6

Freezing level m	1450	1250	1150	1200	900	1350	1300	1200	1000	1100	1050	900	1000	900	1500	1800	1350
Cloud base (m)	1800	1800	1850	1800	1850	1800	1950	1800	1800	1800	1800	1850	1800	1800		1800

	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—
	4:42	—	—	4:43	—	—	4:44	—	—	4:45	—	—	4:45	—	—	4:46	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Tue night. Temperatures will be well below freezing (max -8°C on Tue afternoon, min -16°C on Wed morning). Winds increasing (moderate winds from the WSW on Mon morning, extremely windy from the W by Tue afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max 0°C on Sat morning, min -17°C on Wed night). Winds decreasing (stormy winds from the WNW on Thu morning, light winds from the SW by Fri 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 5 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 (0 kph at —).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	5° C	Dry	Light winds from the SSE (11 kph at 163).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	4° C	Dry and partly cloudy.	Moderate winds from the SSW (20 kph at 210).	16 km Low: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	2° C	-	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	5° C	Dry	Calm (2 kph at 163).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 163).
Deschutes River Woods wx 40 km ESE 1185m alt. 3 hours ago	5° C	Dry	Wind obs. (8 kph from 254 degs) was rejected.
Bend 40 km E 1102m alt. 2 hours ago		-	Calm (0 kph at 0).

* 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.