– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 am Wed 23 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Wed 23 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 Thu night. Freeze-thaw conditions (max 6°C on Thu morning, min -6°C on Fri morning). Winds decreasing (stormy winds from the SW on Thu night, light winds from the NW by Fri night).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 6°C on Mon night, min -3°C on Sat morning). Winds increasing (calm on Mon afternoon, fresh winds from the WSW by Mon night).
	Wednesday 23			Thursday 24			Friday 25			Saturday 26			Sunday 27			Monday 28
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	clear	some clouds	some clouds	mod. snow	light snow	some clouds	clear	clear	clear	some clouds	some clouds	clear	clear	clear	clear	clear
Cloud base (m)	6300	5850		8950	6800	1800	1800	1800	1800			6250	5750	3400		8950		9100
km/h	SW	SSW	SW	SW	SSW	SW	W	W	NW	SW	SSW	SW	SSW	WNW	WNW	NNW	SE	WSW
See all weather maps
cm	—	—	—	—	—	6	1	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	3	4	5	6	6	4	-6	-6	-3	-2	-2	0	-1	-1	2	2	3	6
min °C	3	3	4	5	5	-4	-6	-6	-6	-3	-3	-1	-1	-1	0	2	2	4
chill °C	-2	-2	-2	-1	-1	-15	-18	-18	-15	-6	-3	-6	-6	-5	-6	-2	2	0

Freezing level m	3600	3700	3950	3950	4000	2750	2100	2200	1950	2850	2850	3100	3050	3000	3250	3550	3650	4050

	6:54	—	—	6:56	—	—	6:56	—	—	6:58	—	—	6:58	—	—	7:00	—	—
	—	7:02	—	—	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 light covering of new snow mostly falling on Thu night. Freeze-thaw conditions (max 6°C on Thu morning, min -6°C on Fri morning). Winds decreasing (stormy winds from the SW on Thu night, light winds from the NW by Fri night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 6°C on Mon night, min -3°C on Sat morning). Winds increasing (calm on Mon afternoon, fresh winds from the WSW by Mon 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. 52 minutes ago	22°C	Dry	Calm (2 kph at 64).
Bend 34 km E 1147m alt. 2 hours ago	21°C	Dry	Light winds from the NNE (8 kph at 15).
Bend 34 km E 1164.6m alt. 54 minutes ago	22°C	Dry	Calm (3 kph at 78).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	21°C	Clear	Wind obs. (9 kph from 1 degs) was rejected.	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 55 minutes ago	17°C	Dry	Wind obs. (6 kph from 321 degs) was rejected.
Bend 37 km SSE 1297m alt. 1 hour ago	22°C	Dry	Wind obs. (6 kph from 296 degs) was rejected.
Bend 37 km ESE 1158m alt. 53 minutes ago	21°C	Dry	Calm (3 kph at 324).
Deschutes River Woods wx 40 km ESE 1185m alt. 39 minutes ago	21°C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	14°C	Dry	Light winds from the WSW (16 kph at 242).
Cloverdale wx 42 km NE 947m alt. 48 minutes ago	23°C	Dry	Calm (3 kph at 9).

* 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.