– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sun 24 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sun 24 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 9°C on Sun afternoon, min -7°C on Mon night). Winds decreasing (near gales from the SW on Mon afternoon, calm by Tue morning).											Days 5–7 Weather Summary Light rain (total 3mm), mostly falling on Thu afternoon. Freeze-thaw conditions (max 7°C on Thu afternoon, min 0°C on Fri night). Winds decreasing (strong winds from the ENE on Wed night, light winds from the NNE by Thu afternoon).
	Sun 24		Monday 25			Tuesday 26			Wednesday 27			Thursday 28			Friday 29
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	some clouds	snow shwrs	some clouds	light snow	light snow	light snow	light rain	rain shwrs	rain shwrs	risk tstorm	rain shwrs	rain shwrs	rain shwrs	clear
km/h	WSW	SW	SW	SW	WSW	NNW	NNW	N	ENE	NE	E	NE	NNE	NNW	NW	WNW	WSW
See all weather maps
cm	—	—	—	—	1	—	2	1	1	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	0.1	0.5	0.1	1.9	0.3	0.1	0.2	—
max °C	9	8	5	3	-3	-5	-3	-2	0	3	4	6	7	6	4	3	1
min °C	9	5	5	1	-7	-6	-4	-3	-1	2	2	5	6	5	3	2	0
chill °C	6	-1	-1	-7	-12	-9	-7	-8	-8	-4	-2	1	3	1	-3	-3	-6

Freezing level m	3700	3700	3100	2700	1450	1850	2100	1950	2550	3100	3250	3350	3450	3600	3250	3000	2750
Cloud base (m)	9500	8350		2250	1800	1850	1800	1800	1800	1850		2300	2400	1800	1800	1850	1850

	—	—	5:31	—	—	5:30	—	—	5:30	—	—	5:28	—	—	5:28	—	—
	—	8:35	—	—	8:36	—	—	8:37	—	—	8:37	—	—	8:38	—	—	8:39

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 9°C on Sun afternoon, min -7°C on Mon night). Winds decreasing (near gales from the SW on Mon afternoon, calm by Tue morning).

South Sister Volcano Weather (Days 3-6):

Light rain (total 3mm), mostly falling on Thu afternoon. Freeze-thaw conditions (max 7°C on Thu afternoon, min 0°C on Fri night). Winds decreasing (strong winds from the ENE on Wed night, light winds from the NNE by Thu afternoon).

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. 2 hours ago	26° C	Dry	Calm (5 kph at 282).
Bend 34 km E 1147m alt. 2 hours ago	27° C	Dry	Calm (3 kph at 198).
Bend 34 km E 1164.6m alt. 2 hours ago	31° C	Dry	Wind obs. (8 kph from 255 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago		Haze -.	Light winds from the W.(Wind varies from 230 to 300 degs) (15 kph at 260).	10 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	19° C	Dry	Wind obs. (8 kph from 301 degs) was rejected.
Bend 37 km SSE 1297m alt. 2 hours ago	25° C	Dry	Calm (5 kph at 229).
Bend 37 km ESE 1158m alt. 2 hours ago	29° C	Dry	Calm (0 kph at 181).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	26° C	Dry	Calm (3 kph at 132).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	27° C	Dry	Calm (3 kph at 206).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	19° C	Dry	Moderate winds from the W (21 kph at 269).

* 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.