– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sat 09 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sat 09 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 7°C on Mon night, min 3°C on Sun afternoon). Winds increasing (calm on Sat afternoon, strong winds from the WSW by Sun afternoon).											Days 5–7 Weather Summary Moderate rain (total 18mm), heaviest on Wed afternoon. Freeze-thaw conditions (max 9°C on Tue afternoon, min -1°C on Thu afternoon). Winds increasing (light winds from the WSW on Wed night, gales from the WNW by Thu night).
	Sat 9		Sunday 10			Monday 11			Tuesday 12			Wednesday 13			Thursday 14
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	cloudy	some clouds	clear	clear	clear	clear	clear	clear	some clouds	cloudy	heavy rain	rain shwrs	cloudy	some clouds	clear
km/h	S	SW	SW	WSW	WSW	SW	SW	SW	S	S	S	SW	WNW	SE	NNW	WNW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	17	1.4	—	—	—
max °C	5	5	4	4	5	4	6	7	7	9	9	5	4	4	1	-1	0
min °C	4	4	4	3	4	3	5	7	7	9	7	4	3	1	0	-1	-1
chill °C	2	-2	-2	-4	-2	-3	1	2	3	6	2	1	-1	-1	-7	-9	-11

Freezing level m	3900	3850	3700	3650	3800	3700	4050	4100	4150	4300	4200	3800	3550	3450	3100	3050	3200
Cloud base (m)	6800	9300	6100	6150		9350	8900	8750	9200		5650	4350	2400	1900	2000	2600	1900

	—	—	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 7°C on Mon night, min 3°C on Sun afternoon). Winds increasing (calm on Sat afternoon, strong winds from the WSW by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

Moderate rain (total 18mm), heaviest on Wed afternoon. Freeze-thaw conditions (max 9°C on Tue afternoon, min -1°C on Thu afternoon). Winds increasing (light winds from the WSW on Wed night, gales from the WNW by Thu 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. 41 minutes ago	14° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 44 minutes ago	19° C	Dry	Calm (0 kph at 16).
Bend 34 km E 1164.6m alt. 1 hour ago	22° C	Dry	Calm (2 kph at 28).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	20° C	Clear	Light winds from the NNW (17 kph at 340).	13 km
Black Butte Ranch wx 36 km NW 1429m alt. 52 minutes ago	13° C	Dry	Calm (0 kph at 308).
Bend 37 km SSE 1297m alt. 2 hours ago	23° C	Dry	Calm (3 kph at 43).
Bend 37 km ESE 1158m alt. 40 minutes ago	21° C	Dry	Calm (0 kph at 322).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	16° C	Dry	Calm (0 kph at 211).
Deschutes River Woods wx 40 km ESE 1185m alt. 26 minutes ago	18° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 3 hours ago	18° C	Dry	Moderate winds from the SW (21 kph at 225).

* 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.