– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 pm Sat 12 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Sat 12 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 4°C on Mon night, min -7°C on Sat night). Winds decreasing (near gales from the WSW on Sat night, calm by Mon afternoon).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 8°C on Fri afternoon, min 0°C on Tue night). Winds decreasing (fresh winds from the ESE on Wed morning, calm by Thu night).
		Sunday 13			Monday 14			Tuesday 15			Wednesday 16			Thursday 17
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	light snow	cloudy	clear	clear	clear	clear	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds	clear
Cloud base (m)	1950	1850	1850				7750		3250	3200	3350	4050			4250
km/h	WSW	W	NW	NW	NNW	SE	WNW	W	NNW	SE	ESE	ESE	ESE	NE	N	SW
See all weather maps
cm	2	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-4	-6	-4	1	2	2	4	3	1	0	2	4	5	5	6	6
min °C	-7	-7	-5	-1	2	2	3	2	0	0	1	3	5	5	5	6
chill °C	-17	-17	-15	-9	-3	2	-1	-3	0	-2	-5	-2	1	3	5	6

Freezing level m	2050	2100	2550	3200	3550	3550	3800	3450	3150	3200	3450	3700	3750	3800	3950	4050

	—	6:43	—	—	6:43	—	—	6:45	—	—	6:46	—	—	6:48	—	—
	—	—	7:21	—	—	7:19	—	—	7:17	—	—	7:15	—	—	7:14	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 4°C on Mon night, min -7°C on Sat night). Winds decreasing (near gales from the WSW on Sat night, calm by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 8°C on Fri afternoon, min 0°C on Tue night). Winds decreasing (fresh winds from the ESE on Wed morning, calm by Thu 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. 1 hour ago	8°C	Dry	Calm (0 kph at 121).
Bend 34 km E 1147m alt. 1 hour ago	7°C	Dry	Calm (0 kph at 306).
Bend 34 km E 1164.6m alt. 41 minutes ago	8°C	Dry	Light winds from the SSW (8 kph at 201).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	5°C	Dry and partly cloudy.	Light winds from the S (11 kph at 190).	16 km Low: scattered Mid: broken
Black Butte Ranch wx 36 km NW 1429m alt. 43 minutes ago	3°C	Dry	Calm (2 kph at 229).
Bend 37 km SSE 1297m alt. 41 minutes ago	4°C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	8°C	Dry	Calm (0 kph at 205).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	6°C	Dry	Calm (0 kph at 231).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	4°C	Dry	Light winds from the SSW (13 kph at 207).
Cloverdale wx 42 km NE 947m alt. 39 minutes ago	9°C	Dry	Calm (0 kph at 238).

* 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.