– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Sun 29 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Sun 29 Mar 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 Wed afternoon. Temperatures will be below freezing (max -4°C on Sun night, min -11°C on Wed afternoon). Winds decreasing (stormy winds from the WSW on Sun night, moderate winds from the WSW by Mon afternoon).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max -1°C on Sat afternoon, min -16°C on Wed night). Winds decreasing (severe gales from the SW on Wed night, light winds from the NNW by Fri afternoon).
		Monday 30			Tuesday 31			Wednesday 1			Thursday 2			Friday 3			Saturday 4
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	light snow	cloudy	light snow	mod. snow	light snow	mod. snow	mod. snow	heavy snow	heavy snow	snow shwrs	snow shwrs	snow shwrs	clear	clear	clear	clear	clear	some clouds
km/h	WSW	W	WSW	WSW	WSW	WSW	WSW	SW	WSW	WSW	NW	NNW	NNW	N	NNW	NW	WNW	W	W
See all weather maps
cm	—	1	—	3	6	2	7	9	16	19	12	1	1	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-4	-8	-8	-7	-8	-9	-8	-8	-9	-14	-14	-10	-5	-3	-2	-2	-2	-1	-1
min °C	-6	-8	-8	-7	-9	-9	-9	-9	-11	-16	-15	-13	-7	-4	-3	-2	-3	-2	-2
chill °C	-18	-20	-17	-16	-20	-21	-22	-22	-25	-32	-31	-27	-18	-11	-8	-6	-8	-8	-10

Freezing level m	1800	1750	2050	1750	1750	1750	1650	1850	1550	750	1100	1350	900	2400	2750	2150	2850	3000	2450
Cloud base (m)	1800	1850	2000	1800	1800	1800	1800	1800	1800	1800	1850	1850	1800	1800	1800		1800	1800	6850

	—	6:52	—	—	6:50	—	—	6:48	—	—	6:47	—	—	6:45	—	—	6:43	—	—
	—	—	7:30	—	—	7:31	—	—	7:32	—	—	7:35	—	—	7:36	—	—	7:37	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be below freezing (max -4°C on Sun night, min -11°C on Wed afternoon). Winds decreasing (stormy winds from the WSW on Sun night, moderate winds from the WSW by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max -1°C on Sat afternoon, min -16°C on Wed night). Winds decreasing (severe gales from the SW on Wed night, light winds from the NNW 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. 54 minutes ago	5° C	Dry	Calm (0 kph at 16).
Bend 34 km E 1164.6m alt. 1 hour ago	6° C	Dry	Calm (2 kph at 166).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	5° C	Dry and partly cloudy.	Light winds from the SW (15 kph at 230).	16 km Low: few Mid: scattered High: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	0° C	-	Light winds from the WNW (8 kph at 291).
Bend 37 km SSE 1297m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 53 minutes ago	7° C	Dry	Calm (0 kph at 223).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	6° C	Dry	Calm (2 kph at 225).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	1° C	-	Calm (5 kph at 149).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 252).
La Pine 43 km SSE 1298m alt. 2 hours ago	2° C	-	Calm (0 kph at 103).

* 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.