– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Wed 20 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Wed 20 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Fri night, min -1°C on Wed morning). Wind will be generally light.									Days 4–6 Weather Summary A light covering of new snow mostly falling on Mon afternoon. Freeze-thaw conditions (max 5°C on Sat night, min -8°C on Mon night). Winds increasing (moderate winds from the WSW on Sat afternoon, stormy winds from the WSW by Mon morning).
	Wednesday 20			Thursday 21			Friday 22			Saturday 23			Sunday 24			Monday 25
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	clear	some clouds	clear	clear	clear	clear	clear	clear	some clouds	clear	some clouds	some clouds	light snow	light snow	snow shwrs
km/h	NW	SE	N	E	WNW	NW	WSW	SW	W	WSW	WSW	W	WSW	WSW	WSW	WSW	W	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	4	1
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	0	3	2	3	3	2	4	5	4	4	5	3	3	3	0	-5	-5
min °C	-1	0	1	0	2	2	2	3	4	4	4	3	2	2	0	-3	-6	-8
chill °C	-6	0	0	0	1	-1	-2	1	-1	-1	-1	-3	-4	-4	-10	-15	-18	-19

Freezing level m	2950	3200	3550	3200	3550	3450	3400	3850	3850	3750	3800	3750	3550	3600	3450	2550	2100	1950
Cloud base (m)	3250	3200	6850	6300		9400				8550	8950			7050		2100	1800	1800

	5:35	—	—	5:35	—	—	5:33	—	—	5:33	—	—	5:31	—	—	5:31	—	—
	—	—	8:30	—	—	8:31	—	—	8:32	—	—	8:34	—	—	8:35	—	—	8:36

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 5°C on Fri night, min -1°C on Wed morning). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Mon afternoon. Freeze-thaw conditions (max 5°C on Sat night, min -8°C on Mon night). Winds increasing (moderate winds from the WSW on Sat afternoon, stormy winds from the WSW by Mon morning).

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	21° C	Dry	Calm (2 kph at 56).
Bend 34 km E 1147m alt. 43 minutes ago	18° C	Dry	Light winds from the NE (8 kph at 34).
Bend 34 km E 1164.6m alt. 1 hour ago	21° C	Dry	Calm (5 kph at 16).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	17° C	Clear	Calm (0 kph at 0).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	16° C	Dry	Calm (3 kph at 291).
Bend 37 km SSE 1297m alt. 1 hour ago	19° C	Dry	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 59 minutes ago	21° C	Dry	Calm (2 kph at 320).
Camp Sherman 39 km NNE 920.5m alt. 50 minutes ago	24° C	Dry	Calm (2 kph at 8).
Deschutes River Woods wx 40 km ESE 1185m alt. 45 minutes ago	18° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	14° C	Dry	Light winds from the WSW (11 kph at 237).

* 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.