– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Thu 09 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Thu 09 Apr 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 night. Temperatures will be below freezing (max -1°C on Thu night, min -7°C on Sat morning). Winds decreasing (fresh winds from the S on Thu night, calm by Sun morning).											Days 5–7 Weather Summary A moderate fall of snow, heaviest on Wed morning. Temperatures will be below freezing (max -5°C on Sun night, min -8°C on Sun night). Winds increasing (moderate winds from the NW on Sun afternoon, stormy winds from the W by Tue night).
	Thu 9		Friday 10			Saturday 11			Sunday 12			Monday 13			Tuesday 14
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	light snow	cloudy	snow shwrs	snow shwrs	snow shwrs	light snow	snow shwrs	light snow	light snow	snow shwrs	snow shwrs	clear	some clouds	cloudy	cloudy	light snow
km/h	SE	S	S	SE	SSE	SW	S	SSE	NNW	NW	NW	WNW	NW	WNW	W	W	W
See all weather maps
cm	1	2	—	2	12	4	4	3	1	2	2	1	—	—	—	—	4
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-2	-1	-2	-3	-4	-7	-6	-6	-7	-7	-5	-8	-7	-5	-6	-6	-6
min °C	-2	-2	-3	-3	-6	-7	-6	-7	-7	-7	-8	-8	-8	-7	-7	-6	-7
chill °C	-7	-9	-10	-8	-10	-14	-12	-14	-7	-15	-18	-20	-18	-18	-18	-16	-21

Freezing level m	2950	2800	2800	2750	2300	2150	2350	2100	2150	2100	1750	1400	1700	1150	1800	2050	1250
Cloud base (m)	2350	5400	2450	2500	2150	1800	2050	1900	1900	1800	1800	1800	1850	1800	1850	2100	1800

	—	—	6:31	—	—	6:31	—	—	6:28	—	—	6:26	—	—	6:24	—	—
	7:43	—	—	7:44	—	—	7:45	—	—	7:46	—	—	7:47	—	—	7:49	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -1°C on Thu night, min -7°C on Sat morning). Winds decreasing (fresh winds from the S on Thu night, calm by Sun morning).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Wed morning. Temperatures will be below freezing (max -5°C on Sun night, min -8°C on Sun night). Winds increasing (moderate winds from the NW on Sun afternoon, stormy winds from the W by Tue 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
lightning 40km WSW of Sisters 22 km W 1000m alt. 2 hours ago		Thunderstorm
Sisters wx 25 km NNE 1022m alt. 43 minutes ago	18° C	Dry	Calm (0 kph at 326).
Sunriver 34 km SE 1242m alt. 45 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	22° C	Dry	Calm (5 kph at 323).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	15° C	Dry and partly cloudy.	Light winds from the N (13 kph at 0).	14 km Low: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	12° C	Dry	Calm (3 kph at 238).
Bend 37 km SSE 1297m alt. 1 hour ago	17° C	Dry	Calm (3 kph at 0).
Bend 37 km ESE 1158m alt. 52 minutes ago	19° C	Dry	Calm (5 kph at 317).
Bend wx 39 km E 1118m alt. 1 hour ago	21° C	Dry	Wind obs. (6 kph from 285 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 51 minutes ago	19° C	Dry	Calm (3 kph at 31).

* 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.