– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Mon 15 Sep Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Mon 15 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 15°C on Wed afternoon, min 10°C on Mon afternoon). Wind will be generally light.											Days 5–7 Weather Summary Moderate rain (total 12mm), heaviest on Sat night. Very mild (max 14°C on Thu afternoon, min 2°C on Sun morning). Winds increasing (calm on Fri morning, gales from the W by Sat night).
	Mon 15		Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	rain shwrs	light rain	light rain	rain shwrs	rain shwrs	light rain	mod. rain
km/h	E	SSE	S	SE	SSW	SSW	ESE	SSE	S	SSE	SW	SE	WSW	W	WNW	W	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	0.2	0.1	1.2	2	0.1	1.5	6
max°C	11	10	13	14	12	14	15	12	14	14	11	8	8	6	4	4	5
min°C	10	10	10	14	11	12	15	12	12	13	10	8	7	5	3	4	3
chill°C	10	10	10	14	10	11	15	11	10	12	8	8	6	1	-3	-2	-4

Freezing level (m)	4100	4600	4600	4400	4550	4450	4400	4400	4400	4300	4200	3700	3650	3600	3200	3300	2950
Cloud base (m)									7350	6850	4550	3100	2600	1950	2100	1850	1800

	—	—	6:46	—	—	6:48	—	—	6:48	—	—	6:50	—	—	6:50	—	—
	7:17	—	—	7:15	—	—	7:14	—	—	7:12	—	—	7:09	—	—	7:07	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 15°C on Wed afternoon, min 10°C on Mon afternoon). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

Moderate rain (total 12mm), heaviest on Sat night. Very mild (max 14°C on Thu afternoon, min 2°C on Sun morning). Winds increasing (calm on Fri morning, gales from the W by Sat 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 2 hours ago	17° C	Dry	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 44 minutes ago	9° C	Dry	Calm (0 kph at 217).
Bend 34 km E 1147m alt. 1 hour ago	13° C	Dry	Calm (2 kph at 24).
Bend 34 km E 1164.6m alt. 1 hour ago	14° C	Dry	Calm (0 kph at 86).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	14° C	Clear	Light winds from the N (15 kph at 10).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	11° C	Dry	Wind obs. (8 kph from 180 degs) was rejected.
Bend 37 km SSE 1297m alt. 1 hour ago	14° C	Dry	Calm (2 kph at 198).
Bend 37 km ESE 1158m alt. 44 minutes ago	15° C	Dry	Calm (0 kph at 328).
Camp Sherman 39 km NNE 920.5m alt. 58 minutes ago	11° C	Dry	Calm (0 kph at 214).
Deschutes River Woods wx 40 km ESE 1185m alt. 30 minutes ago	12° C	Dry	Calm (0 kph at —).

* 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.