– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Mon 18 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Mon 18 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 3°C on Wed night, min -6°C on Mon morning). Winds decreasing (fresh winds from the NNW on Mon night, calm by Wed afternoon).									Days 4–6 Weather Summary Mostly dry. Mild temperatures (max 5°C on Fri night, min 1°C on Thu morning). Winds increasing (calm on Fri afternoon, strong winds from the W by Sat night).
	Monday 18			Tuesday 19			Wednesday 20			Thursday 21			Friday 22			Saturday 23
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	clear	clear	clear	some clouds	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NNW	NW	NNW	NW	WNW	NW	N	NE	N	NE	NNW	WNW	SSW	SSE	SW	WSW	W	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	-5	-3	-3	-1	0	-1	1	3	2	3	3	2	4	5	4	4	4
min °C	-6	-5	-4	-3	-2	-1	-1	0	2	1	3	3	2	4	4	3	3	3
chill °C	-11	-10	-10	-10	-7	-8	-6	-2	-2	1	3	3	0	4	1	-2	-2	-4

Freezing level m	2500	2600	2250	2750	3050	3100	2950	3300	3550	3350	3650	3650	3550	3850	3850	3650	3700	3700
Cloud base (m)	5900	3250		2300	2700	1750		3550	7200					3500				8850

	5:37	—	—	5:35	—	—	5:35	—	—	5:35	—	—	5:33	—	—	5:33	—	—
	—	—	8:29	—	—	8:30	—	—	8:30	—	—	8:31	—	—	8:32	—	—	8:34

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 3°C on Wed night, min -6°C on Mon morning). Winds decreasing (fresh winds from the NNW on Mon night, calm by Wed afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 5°C on Fri night, min 1°C on Thu morning). Winds increasing (calm on Fri afternoon, strong winds from the W by Sat 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	16° C	Dry	Calm (2 kph at 340).
Bend 34 km E 1147m alt. 25 minutes ago	18° C	Dry	Light winds from the NNE (11 kph at 13).
Bend 34 km E 1164.6m alt. 1 hour ago	19° C	Dry	Wind obs. (11 kph from 284 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	15° C	Dry and partly cloudy.	Light winds from the N (6 kph at 1).	14 km Low: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	11° C	Dry	Calm (5 kph at 322).
Bend 37 km SSE 1297m alt. 1 hour ago	17° C	Dry	Wind obs. (8 kph from 360 degs) was rejected.
Bend 37 km ESE 1158m alt. 40 minutes ago	19° C	Dry	Wind obs. (8 kph from 319 degs) was rejected.
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	18° C	Dry	Wind obs. (8 kph from 7 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 26 minutes ago	17° C	Dry	Calm (5 kph at 300).
Rainbow wx 41 km WSW 410m alt. 40 minutes ago	12° C	Dry	Moderate winds from the WSW (21 kph at 253).

* 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.