– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Wed 13 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Wed 13 May 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 Wed morning. Temperatures will be below freezing (max -1°C on Wed night, min -11°C on Fri night). Winds decreasing (severe gales from the WSW on Wed morning, fresh winds from the W by Thu morning).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Sat morning. Temperatures will be below freezing (max -1°C on Mon night, min -10°C on Sat morning). Winds decreasing (near gales from the WNW on Sat morning, light winds from the NW by Mon afternoon).
	Wednesday 13			Thursday 14			Friday 15			Saturday 16			Sunday 17			Monday 18
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	mod. snow	clear	clear	clear	clear	clear	clear	some clouds	snow shwrs	snow shwrs	snow shwrs	snow shwrs	some clouds	clear	some clouds	some clouds	some clouds	clear
km/h	W	W	WNW	W	W	W	W	W	W	WNW	W	NW	NNW	NNW	NW	NNW	WNW	NNW
See all weather maps
cm	9	—	—	—	—	—	—	—	3	3	2	1	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-10	-3	-1	-1	-2	-3	-4	-5	-7	-10	-10	-8	-8	-6	-5	-6	-5	-1
min °C	-10	-3	-2	-2	-3	-3	-5	-7	-11	-10	-10	-10	-8	-7	-6	-7	-6	-4
chill °C	-24	-13	-12	-9	-13	-14	-14	-17	-25	-22	-21	-22	-19	-15	-13	-13	-10	-9

Freezing level m	1650	2600	1450	2900	2750	2450	2450	2350	1400	1650	1800	1200	1900	2200	1450	2300	2500	2550
Cloud base (m)	1850	1900	1850	5800		1800	8750	2550	1800	1800	1850	1800	1850	1950	1800	1900	2350	1900

	5:43	—	—	5:41	—	—	5:41	—	—	5:39	—	—	5:37	—	—	5:37	—	—
	—	—	8:23	—	—	8:24	—	—	8:25	—	—	8:27	—	—	8:28	—	—	8:29

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Wed morning. Temperatures will be below freezing (max -1°C on Wed night, min -11°C on Fri night). Winds decreasing (severe gales from the WSW on Wed morning, fresh winds from the W by Thu morning).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Sat morning. Temperatures will be below freezing (max -1°C on Mon night, min -10°C on Sat morning). Winds decreasing (near gales from the WNW on Sat morning, light winds from the NW by Mon 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	6° C	Dry	Calm (2 kph at 294).
Bend 34 km E 1147m alt. 1 hour ago	7° C	Dry	Wind obs. (6 kph from 1 degs) was rejected.
Bend 34 km E 1164.6m alt. 2 hours ago	8° C	Dry	Light winds from the SW (11 kph at 231).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	5° C	Dry and partly cloudy.	Moderate winds from the SW (24 kph at 230).	16 km Low: few Mid: scattered High: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 39 minutes ago	3° C	Dry	Light winds from the WNW (8 kph at 285).
Bend 37 km SSE 1297m alt. 2 hours ago	7° C	Dry	Light winds from the WSW (6 kph at 240).
Bend 37 km ESE 1158m alt. 1 hour ago	9° C	Dry	Calm (2 kph at 239).
Camp Sherman 39 km NNE 920.5m alt. 53 minutes ago	11° C	Dry	Calm (0 kph at 166).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	8° C	Dry	Light winds from the W (8 kph at 262).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	2° C	-	Fresh winds from the SW (29 kph at 220).

* 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.