– Lat/Long: 44.10° N 121.77° W

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

Issued: 4 pm Sun 17 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. Freeze-thaw conditions (max 5°C on Wed morning, min -3°C on Sun afternoon). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Mild temperatures (max 9°C on Thu afternoon, min 5°C on Wed night). Winds increasing (calm on Wed afternoon, fresh winds from the NW by Fri night).
	Sun 17		Monday 18			Tuesday 19			Wednesday 20			Thursday 21			Friday 22
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

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

Freezing level m	2250	1650	2450	2550	2150	2800	3050	3150	3150	3400	3500	3300	3600	3700	3650	3850	3650
Cloud base (m)	2750		5850	2950	1750	2400	2800	1750	2050	3250		6600	3600	8650		9300	6950

	—	—	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 Wed morning, min -3°C on Sun afternoon). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Thu afternoon, min 5°C on Wed night). Winds increasing (calm on Wed afternoon, fresh winds from the NW 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. 54 minutes ago	10° C	Dry	Calm (2 kph at 284).
Bend 34 km E 1147m alt. 2 hours ago	12° C	Dry	Wind obs. (8 kph from 52 degs) was rejected.
Bend 34 km E 1164.6m alt. 40 minutes ago	13° C	Dry	Calm (5 kph at 7).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	10° C	Clear	Light winds from the NNE (19 kph at 20).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	5° C	Dry	Wind obs. (6 kph from 319 degs) was rejected.
Bend 37 km SSE 1297m alt. 1 hour ago	9° C	Dry	Calm (3 kph at 0).
Bend 37 km ESE 1158m alt. 53 minutes ago	12° C	Dry	Calm (3 kph at 321).
Camp Sherman 39 km NNE 920.5m alt. 58 minutes ago	11° C	Dry	Wind obs. (6 kph from 357 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 40 minutes ago	11° C	Dry	Light winds from the NNW (6 kph at 339).
Rainbow wx 41 km WSW 410m alt. 53 minutes ago	7° C	Dry	Light winds from the WNW (16 kph at 284).

* 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.