– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Tue 23 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Tue 23 Jun Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Mild temperatures (max 8°C on Tue afternoon, min 2°C on Thu night). Winds increasing (light winds from the NNW on Tue afternoon, gales from the W by Thu night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 1°C on Sun night, min -9°C on Fri night). Winds decreasing (severe gales from the WSW on Fri afternoon, moderate winds from the NW by Sun night).
	Tuesday 23			Wednesday 24			Thursday 25			Friday 26			Saturday 27			Sunday 28
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	cloudy	clear	clear	some clouds	some clouds	some clouds	some clouds	cloudy	cloudy	light snow	mod. snow	light snow	light snow	light snow	light snow	some clouds	clear
km/h	SSW	NNW	SW	S	W	WNW	W	WSW	W	WSW	WSW	WSW	WNW	NW	WNW	NNW	NNW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	2	6	4	1	5	1	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	7	8	6	4	5	5	3	4	3	-1	-2	-6	-9	-6	-6	-4	0	1
min °C	7	7	5	4	4	3	3	4	2	-1	-4	-9	-9	-7	-6	-6	-2	0
chill °C	3	6	3	2	0	-3	-2	-1	-6	-10	-15	-21	-20	-17	-17	-16	-9	-6

Freezing level m	4100	4100	4000	3800	3800	3800	3750	3850	3550	2900	2550	1800	1850	2100	2100	2250	3150	3100
Cloud base (m)	9400				4550	8900	5950	4850	2500	1800	1800	1800	1800	1800	1800	1800	1800	1800

	5:24	—	—	5:24	—	—	5:24	—	—	5:24	—	—	5:24	—	—	5:26	—	—
	—	—	8:53	—	—	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 Tue afternoon, min 2°C on Thu night). Winds increasing (light winds from the NNW on Tue afternoon, gales from the W by Thu night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 1°C on Sun night, min -9°C on Fri night). Winds decreasing (severe gales from the WSW on Fri afternoon, moderate winds from the NW by Sun 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. 2 hours ago	23° C	Dry	Calm (2 kph at 80).
Bend 34 km E 1147m alt. 2 hours ago	20° C	Dry	Calm (5 kph at 31).
Bend 34 km E 1164.6m alt. 25 minutes ago	24° C	Dry	Calm (3 kph at 10).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	21° C	Clear	Light winds from the N (17 kph at 10).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	16° C	Dry	Calm (3 kph at 124).
Bend 37 km SSE 1297m alt. 32 minutes ago	24° C	Dry	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	24° C	Dry	Calm (2 kph at 313).
Camp Sherman 39 km NNE 920.5m alt. 44 minutes ago	24° C	Dry	Calm (0 kph at 3).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	21° C	Dry	Calm (2 kph at 0).
Rainbow wx 41 km WSW 410m alt. 19 minutes ago	24° C	Dry	Calm (3 kph at 323).

* 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.