– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Sat 09 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sat 09 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. Mild temperatures (max 7°C on Mon night, min 3°C on Sun afternoon). Winds increasing (calm on Sat morning, strong winds from the SW by Sun afternoon).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 8°C on Tue afternoon, min -1°C on Wed night). Winds increasing (calm on Wed afternoon, near gales from the WNW by Thu night).
	Saturday 9			Sunday 10			Monday 11			Tuesday 12			Wednesday 13			Thursday 14
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	clear	cloudy	some clouds	clear	clear	clear	rain shwrs	clear	some clouds	some clouds	some clouds	snow shwrs	snow shwrs	clear	clear	clear
km/h	SSW	S	SW	SW	WSW	WSW	SW	SW	SW	S	SSE	S	S	SSW	NNE	NW	WNW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	2	1	—	—	—
mm	—	—	—	—	—	—	—	—	0.2	—	—	—	—	—	—	—	—	—
max °C	5	5	5	4	3	5	4	6	7	7	8	8	4	2	0	-1	0	1
min °C	4	4	4	4	3	4	4	4	7	7	8	6	3	2	-1	-1	-1	0
chill °C	0	2	-2	-2	-4	-2	-1	0	2	3	4	0	-2	0	-6	-8	-10	-9

Freezing level m	3750	3900	3850	3700	3600	3900	3750	4050	4100	4050	4200	4150	3600	3450	3200	3050	3100	3200
Cloud base (m)		6900	9300	6000	6100			8800		9200	5000	5300	4400	2300	1850		2450	1900

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

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 8°C on Tue afternoon, min -1°C on Wed night). Winds increasing (calm on Wed afternoon, near 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. 28 minutes ago	24° C	Dry	Calm (2 kph at 98).
Bend 34 km E 1147m alt. 22 minutes ago	24° C	Dry	Calm (3 kph at 136).
Bend 34 km E 1164.6m alt. 38 minutes ago	26° C	Dry	Calm (3 kph at 44).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	20° C	Clear	Wind obs. (6 kph from 1 degs) was rejected.	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	19° C	Dry	Calm (3 kph at 90).
Bend 37 km SSE 1297m alt. 1 hour ago	23° C	Dry	Calm (3 kph at 0).
Bend 37 km ESE 1158m alt. 37 minutes ago	25° C	Dry	Calm (0 kph at 93).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	28° C	Dry	Calm (0 kph at 211).
Deschutes River Woods wx 40 km ESE 1185m alt. 23 minutes ago	23° C	Dry	Calm (3 kph at 317).
Cloverdale wx 42 km NE 947m alt. 48 minutes ago	26° C	Dry	Calm (3 kph at 315).

* 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.