– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Fri 08 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Fri 08 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 6°C on Mon afternoon, min 2°C on Fri night). Winds decreasing (strong winds from the WNW on Fri night, calm by Sat morning).										Days 5–7 Weather Summary Light rain (total 6mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 9°C on Tue afternoon, min 0°C on Thu afternoon). Winds decreasing (near gales from the SSE on Tue night, calm by Thu morning).
		Saturday 9			Sunday 10			Monday 11			Tuesday 12			Wednesday 13			Thursday 14
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	cloudy	some clouds	clear	clear	clear	clear	clear	clear	rain shwrs	some clouds	risk tstorm	risk tstorm	cloudy	cloudy	some clouds
km/h	WNW	SW	SSE	SW	SW	WSW	WSW	SW	SW	SW	S	S	SSW	SSW	WNW	SE	ESE	NW	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	0.1	—	3	2	—	—	—
max °C	3	5	5	5	4	4	4	4	6	8	8	9	9	7	6	4	2	1	1
min °C	2	4	4	4	4	3	4	4	5	7	7	9	7	6	4	3	1	0	-1
chill °C	-5	0	2	-2	-2	-4	-2	-1	1	2	3	6	1	2	0	1	0	-7	-10

Freezing level m	3500	3750	3900	3850	3700	3650	3800	3800	4050	4100	4200	4300	4300	3950	3750	3700	3350	3150	3250
Cloud base (m)			8450	9200	6100	8300		9400	9000	9450	9150	9150	5550	4700	3050	2250	2550	2700	1800

	—	5:48	—	—	5:46	—	—	5:45	—	—	5:43	—	—	5:43	—	—	5:41	—	—
	—	—	—	8:19	—	—	8:20	—	—	8:21	—	—	8:22	—	—	8:23	—	—	8:24

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Mild temperatures (max 6°C on Mon afternoon, min 2°C on Fri night). Winds decreasing (strong winds from the WNW on Fri night, calm by Sat morning).

South Sister Volcano Weather (Days 3-6):

Light rain (total 6mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 9°C on Tue afternoon, min 0°C on Thu afternoon). Winds decreasing (near gales from the SSE on Tue night, calm by Thu 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	4° C	Dry	Calm (0 kph at 246).
Bend 34 km E 1147m alt. 53 minutes ago	5° C	Dry	Calm (0 kph at 16).
Bend 34 km E 1164.6m alt. 1 hour ago	10° C	Dry	Calm (3 kph at 119).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	4° C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 259).
Bend 37 km SSE 1297m alt. 59 minutes ago	5° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 316).
Camp Sherman 39 km NNE 920.5m alt. 49 minutes ago	7° C	Dry	Calm (0 kph at 211).
Deschutes River Woods wx 40 km ESE 1185m alt. 53 minutes ago	4° C	Dry	Calm (0 kph at 321).
Rainbow wx 41 km WSW 410m alt. 49 minutes ago	9° C	Dry	Calm (3 kph at 100).

* 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.