– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Sun 17 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sun 17 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. Freeze-thaw conditions (max 5°C on Tue afternoon, min -7°C on Sun morning). Winds decreasing (fresh winds from the NNE on Sun morning, calm by Mon morning).									Days 4–6 Weather Summary Mostly dry. Mild temperatures (max 9°C on Thu afternoon, min 3°C on Wed morning). Winds increasing (calm on Wed afternoon, fresh winds from the W by Fri night).
	Sunday 17			Monday 18			Tuesday 19			Wednesday 20			Thursday 21			Friday 22
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	cloudy	clear	clear	clear	clear	some clouds	clear	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds
km/h	NE	NNE	NE	WNW	WNW	NNW	NW	WNW	NW	NW	E	NW	NNW	WNW	NW	WNW	WSW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	-2	-2	0	1	0	3	5	4	4	7	6	8	9	7	8	9	7
min °C	-7	-3	-3	-1	1	-1	1	5	1	3	6	5	6	9	5	6	8	3
chill °C	-16	-10	-10	-4	-2	-6	-4	2	-4	0	6	3	2	7	1	3	6	-2

Freezing level m	1900	2300	1800	2450	2600	2350	2900	3250	3300	3000	3350	3700	3650	3800	3800	3600	3900	3600
Cloud base (m)	1850	3000		5750	3300	8850		2800	1750		3200				1750			8650

	5:37	—	—	5:37	—	—	5:35	—	—	5:35	—	—	5:35	—	—	5:33	—	—
	—	—	8:28	—	—	8:29	—	—	8:30	—	—	8:30	—	—	8:31	—	—	8:32

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 5°C on Tue afternoon, min -7°C on Sun morning). Winds decreasing (fresh winds from the NNE on Sun morning, calm by Mon morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Thu afternoon, min 3°C on Wed morning). Winds increasing (calm on Wed afternoon, fresh winds from the W by Fri night).

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. 53 minutes ago	1° C	-	Calm (2 kph at 277).
Bend 34 km E 1147m alt. 1 hour ago	1° C	-	Calm (2 kph at 225).
Bend 34 km E 1164.6m alt. 1 hour ago	2° C	-	Calm (3 kph at 39).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	0° C	Dry and cloudy.	Light winds from the ENE (7 kph at 70).	16 km Low: scattered Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	-2° C	-	Calm (0 kph at 305).
Bend 37 km SSE 1297m alt. 1 hour ago	-2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 53 minutes ago	2° C	-	Calm (0 kph at 327).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-2° C	-	Calm (0 kph at 135).
Deschutes River Woods wx 40 km ESE 1185m alt. 39 minutes ago	0° C	-	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 51 minutes ago	-2° C	-	Light winds from the WNW (10 kph at 298).

* 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.