– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Thu 20 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Thu 20 Aug 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 12°C on Thu afternoon, min 4°C on Sat morning). Winds increasing (light winds from the NE on Thu afternoon, near gales from the WSW by Sat night).											Days 5–7 Weather Summary Mostly dry. Very mild (max 10°C on Mon afternoon, min 2°C on Wed morning). Winds increasing (calm on Mon afternoon, near gales from the SW by Tue night).
	Thu 20		Friday 21			Saturday 22			Sunday 23			Monday 24			Tuesday 25
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	cloudy	cloudy	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds
Cloud base (m)			5000	5200	5100							9550	5050		9300	8850
km/h	NE	SE	S	ESE	S	SSW	SW	WSW	W	SSW	SW	SSW	ENE	S	SE	ESE	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	0.1	—	—	—	—	—	—	—	—	—	—	—	—
max °C	12	12	12	12	10	6	5	6	5	7	9	8	10	9	9	10	10
min °C	12	12	11	11	8	4	4	5	5	6	8	8	9	9	8	9	5
chill °C	12	10	8	11	4	-1	-2	-2	0	4	5	5	8	8	7	8	-2

Freezing level m	4800	4800	4700	4650	4400	3850	3800	3950	3900	4200	4350	4300	4500	4500	4350	4450	4150

	—	—	6:16	—	—	6:18	—	—	6:18	—	—	6:20	—	—	6:20	—	—
	—	8:04	—	—	8:01	—	—	8:00	—	7:59	—	—	7:57	—	—	7:54	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 12°C on Thu afternoon, min 4°C on Sat morning). Winds increasing (light winds from the NE on Thu afternoon, near gales from the WSW by Sat night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 10°C on Mon afternoon, min 2°C on Wed morning). Winds increasing (calm on Mon afternoon, near gales from the SW by Tue 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. 59 minutes ago	34° C	Dry	Calm (3 kph at 295).
Bend 34 km E 1147m alt. 43 minutes ago	32° C	Dry	Calm (5 kph at 14).
Bend 34 km E 1164.6m alt. 1 hour ago	34° C	Dry	Calm (5 kph at 43).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	31° C	Clear	Wind obs. (7 kph from 1 degs) was rejected.	13 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	25° C	Dry	Light winds from the W (8 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	32° C	Dry	Calm (5 kph at 157).
Bend 37 km ESE 1158m alt. 58 minutes ago	34° C	Dry	Calm (0 kph at 302).
Deschutes River Woods wx 40 km ESE 1185m alt. 46 minutes ago	33° C	Dry	Calm (3 kph at 323).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	26° C	Dry	Light winds from the W (19 kph at 260).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	36° C	Dry	Calm (2 kph at 74).

* 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.