– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 am Thu 10 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 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 light covering of new snow mostly falling on Sat afternoon. Freeze-thaw conditions (max 9°C on Thu morning, min -7°C on Sat night). Winds decreasing (severe gales from the W on Thu night, moderate winds from the SSW by Sat morning).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 8°C on Tue night, min -3°C on Sun morning). Winds decreasing (strong winds from the N on Sun morning, calm by Tue morning).
	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	some clouds	some clouds	some clouds	cloudy	light snow	light snow	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear
Cloud base (m)		9200	1850		6750	7250	6200	1900	1800	1850	1900		9000				7000
km/h	W	W	W	W	WSW	SW	SSW	W	NW	N	NNW	NW	WNW	ESE	W	SSE	NNW	ESE
See all weather maps
cm	—	—	—	—	—	—	—	2	4	—	—	—	—	—	—	—	—	—
mm	—	—	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	9	7	5	3	2	2	-2	-5	-5	-2	0	2	2	2	4	5	5	8
min °C	8	7	4	3	2	0	-4	-6	-7	-3	-2	1	2	1	4	4	4	7
chill °C	3	2	-4	-3	-4	-8	-10	-14	-17	-11	-9	-5	-2	1	0	3	4	6

Freezing level m	4400	4200	3850	3600	3500	3350	2700	2400	2100	2700	3100	3450	3500	3500	3750	3800	3800	4150

	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 light covering of new snow mostly falling on Sat afternoon. Freeze-thaw conditions (max 9°C on Thu morning, min -7°C on Sat night). Winds decreasing (severe gales from the W on Thu night, moderate winds from the SSW by Sat morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 8°C on Tue night, min -3°C on Sun morning). Winds decreasing (strong winds from the N on Sun morning, calm by Tue morning).

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. 53 minutes ago	21°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 38 minutes ago	16°C	Dry	Wind obs. (6 kph from 192 degs) was rejected.
Bend 34 km E 1164.6m alt. 52 minutes ago	18°C	Dry	Calm (3 kph at 191).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	8°C	Clear	Wind obs. (13 kph from 180 degs) was rejected.	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 52 minutes ago	16°C	Dry	Calm (5 kph at 293).
Bend 37 km SSE 1297m alt. 1 hour ago	16°C	Dry	Calm (2 kph at 177).
Bend 37 km ESE 1158m alt. 53 minutes ago	19°C	Dry	Calm (0 kph at 122).
Deschutes River Woods wx 40 km ESE 1185m alt. 38 minutes ago	20°C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 41 minutes ago	18°C	Dry	Calm (5 kph at 225).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	21°C	Dry	Calm (2 kph at 77).

* 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.