– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sun 21 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sun 21 Jun Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Mild temperatures (max 8°C on Mon afternoon, min 5°C on Sun afternoon). Wind will be generally light.											Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 6°C on Wed afternoon, min -6°C on Fri night). Winds increasing (light winds from the SW on Wed afternoon, severe gales from the W by Thu night).
	Sun 21		Monday 22			Tuesday 23			Wednesday 24			Thursday 25			Friday 26
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	light snow	cloudy	clear	snow shwrs
km/h	W	W	SSW	NNW	SSW	SSW	WNW	S	SSW	WSW	W	W	WSW	W	WSW	W	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	1	—	—	1
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	0.4	—	—	—
max °C	5	7	6	8	7	7	8	7	5	6	5	4	4	4	1	0	-1
min °C	5	5	5	7	6	7	7	5	5	5	3	3	4	2	-2	0	-6
chill °C	5	3	4	6	4	3	5	2	2	0	-3	-3	-1	-7	-12	-9	-17

Freezing level m	3900	4150	3950	4300	4250	4100	4250	4000	3850	3950	3900	3850	4000	3750	2900	3100	2250
Cloud base (m)		9600					6750	8400		6700	8900	6850	5600	2100	1800	1800	1800

	—	—	5:24	—	—	5:24	—	—	5:24	—	—	5:24	—	—	5:24	—	—
	—	8:52	—	—	8:53	—	—	8:53	—	—	8:53	—	—	8:53	—	—	8:53

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Mild temperatures (max 8°C on Mon afternoon, min 5°C on Sun afternoon). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 6°C on Wed afternoon, min -6°C on Fri night). Winds increasing (light winds from the SW on Wed afternoon, severe gales from the W by Thu 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
Sisters wx 25 km NNE 1022m alt. 1 hour ago	22° C	Dry	Calm (0 kph at 24).
Bend 34 km E 1147m alt. 41 minutes ago	21° C	Dry	Calm (3 kph at 23).
Bend 34 km E 1164.6m alt. 41 minutes ago	22° C	Dry	Calm (0 kph at 357).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	18° C	Clear	Light winds from the N (15 kph at 0).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	15° C	Dry	Calm (2 kph at 287).
Bend 37 km SSE 1297m alt. 37 minutes ago	17° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	22° C	Dry	Calm (0 kph at 277).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	21° C	Dry	Calm (0 kph at 350).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	22° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	16° C	Dry	Wind obs. (10 kph from 185 degs) was rejected.

* 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.