– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 pm Wed 23 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Wed 23 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 12°C on Thu afternoon, min -2°C on Fri morning). Winds decreasing (gales from the WSW on Fri morning, calm by Sat morning).										Days 5–7 Weather Summary Mostly dry. Mild temperatures (max 8°C on Tue afternoon, min 1°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the W by Tue afternoon).
		Thursday 24			Friday 25			Saturday 26			Sunday 27			Monday 28
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	cloudy	light snow	cloudy	cloudy	some clouds	clear	clear	some clouds	some clouds	clear	some clouds	clear	clear	clear
Cloud base (m)	7150	6650	6150	1800	1850	1800	1850	7000	5500	4900	3450		6150	7600	6800	4000
km/h	SW	SSW	SSW	SW	WSW	W	NW	S	SSE	SW	WSW	WNW	WNW	NW	W	WNW
See all weather maps
cm	—	—	—	3	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	8	11	12	9	-2	-2	-1	3	4	2	3	3	2	2	4	4
min °C	6	9	11	-1	-2	-2	-2	0	4	1	1	3	1	1	3	2
chill °C	3	5	8	-10	-12	-11	-9	0	4	-1	0	0	-4	-4	0	-3

Freezing level m	3900	4000	3950	2800	2150	2150	2100	2950	2900	2850	2850	2950	2750	2750	3000	3350

	—	6:56	—	—	6:56	—	—	6:58	—	—	6:58	—	—	7:00	—	—
	—	—	7:00	—	—	6:59	—	—	6:57	—	—	6:54	—	—	6:53	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 12°C on Thu afternoon, min -2°C on Fri morning). Winds decreasing (gales from the WSW on Fri morning, calm by Sat morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 8°C on Tue afternoon, min 1°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the W by Tue 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	4°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 1 hour ago	7°C	Dry	Calm (0 kph at 341).
Bend 34 km E 1164.6m alt. 2 hours ago	11°C	Dry	Calm (0 kph at 96).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	3°C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	2°C	-	Calm (0 kph at 294).
Bend 37 km SSE 1297m alt. 2 hours ago	1°C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	8°C	Dry	Calm (0 kph at 326).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	5°C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	12°C	Dry	Moderate winds from the ESE (21 kph at 108).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	4°C	Dry	Calm (0 kph at 293).

* 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.