– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 am Thu 10 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Thu 10 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 13°C on Thu morning, min -3°C on Sat night). Winds decreasing (near gales from the W on Thu night, light winds from the SW by Fri afternoon).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 10°C on Tue afternoon, min -1°C on Sun morning). Winds decreasing (fresh winds from the NW on Sun morning, calm by Mon afternoon).
	Thursday 10			Friday 11			Saturday 12			Sunday 13			Monday 14			Tuesday 15
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	rain shwrs	clear	cloudy	clear	clear	some clouds	light snow	cloudy	some clouds	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)		9200	1850	7250	6800	8300		2350	1800	1800	2000
km/h	W	W	W	W	WSW	SW	SW	WSW	WNW	NNW	NW	NW	NW	E	W	SSE	SW	N
See all weather maps
cm	—	—	—	—	—	—	—	—	3	—	—	—	—	—	—	—	—	—
mm	—	—	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	13	13	8	8	8	6	4	4	-2	0	2	3	6	8	6	9	10	8
min °C	12	11	5	6	8	4	3	1	-3	-1	2	2	4	7	5	6	10	8
chill °C	9	7	0	2	5	-1	-2	-4	-11	-8	-3	-2	1	7	5	6	10	8

Freezing level m	4400	4200	3800	3700	3600	3500	2900	2600	2100	2600	2850	3350	3450	3500	3650	3750	3800	4000

	6:39	—	—	6:41	—	—	6:41	—	—	6:43	—	—	6:43	—	—	6:45	—	—
	—	7:27	—	—	7:24	—	—	7:22	—	—	7:21	—	—	7:19	—	—	7:17	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 13°C on Thu morning, min -3°C on Sat night). Winds decreasing (near gales from the W on Thu night, light winds from the SW by Fri afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 10°C on Tue afternoon, min -1°C on Sun morning). Winds decreasing (fresh winds from the NW on Sun morning, calm by Mon afternoon).

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. 1 hour ago	28°C	Dry	Calm (5 kph at 302).
Bend 34 km E 1147m alt. 57 minutes ago	27°C	Dry	Calm (5 kph at 35).
Bend 34 km E 1164.6m alt. 39 minutes ago	28°C	Dry	Light winds from the WNW (6 kph at 292).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	26°C	Clear	Moderate winds from the W.(Wind varies from 250 to 310 degs) (22 kph at 280).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 42 minutes ago	20°C	Dry	Wind obs. (13 kph from 308 degs) was rejected.
Bend 37 km SSE 1297m alt. 37 minutes ago	27°C	Dry	Light winds from the WNW (6 kph at 283).
Bend 37 km ESE 1158m alt. 1 hour ago	27°C	Dry	Calm (2 kph at 328).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	27°C	Dry	Calm (5 kph at 9).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	21°C	Dry	Light winds from the S (13 kph at 188).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	31°C	Dry	Wind obs. (6 kph from 151 degs) was rejected.

* 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.