– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Wed 20 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Wed 20 May 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 9°C on Thu afternoon, min 4°C on Wed night). Wind will be generally light.											Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 10°C on Sat afternoon, min -5°C on Mon night). Winds decreasing (severe gales from the WSW on Mon afternoon, light winds from the N by Tue morning).
	Wed 20		Thursday 21			Friday 22			Saturday 23			Sunday 24			Monday 25
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	clear	some clouds	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	some clouds	cloudy	light snow	light snow
km/h	NNW	NE	E	NW	WNW	W	WSW	W	WSW	WSW	W	WSW	WSW	WSW	WSW	W	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	1
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	6	5	6	9	6	7	9	8	9	10	8	8	9	7	3	0	-2
min °C	6	4	5	8	5	6	8	6	8	10	6	7	7	3	1	-3	-5
chill °C	6	2	4	8	2	4	6	3	5	8	2	3	2	-5	-8	-13	-14

Freezing level m	3150	3400	3200	3550	3450	3350	3700	3850	3750	3850	3750	3600	3500	3550	2700	2000	1850
Cloud base (m)	3200	6850	6000						7200	7150			9400	8750	2150	1800	1800

	—	—	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. Mild temperatures (max 9°C on Thu afternoon, min 4°C on Wed night). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 10°C on Sat afternoon, min -5°C on Mon night). Winds decreasing (severe gales from the WSW on Mon afternoon, light winds from the N by Tue morning).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 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 54).
Bend 34 km E 1147m alt. 2 hours ago	19° C	Dry	Calm (5 kph at 346).
Bend 34 km E 1164.6m alt. 49 minutes ago	23° C	Dry	Calm (5 kph at 21).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	19° C	Clear	Moderate winds from the NNE.(Wind varies from 360 to 060 degs) (20 kph at 30).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 49 minutes ago	17° C	Dry	Calm (5 kph at 315).
Bend 37 km SSE 1297m alt. 24 minutes ago	19° C	Dry	Calm (5 kph at 0).
Bend 37 km ESE 1158m alt. 59 minutes ago	21° C	Dry	Calm (3 kph at 319).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	24° C	Dry	Wind obs. (6 kph from 7 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	20° C	Dry	Calm (3 kph at 19).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	13° C	Dry	Light winds from the W (18 kph at 263).

* 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.