– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 am Tue 22 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Tue 22 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. Very mild (max 10°C on Thu morning, min 1°C on Thu night). Winds increasing (light winds from the W on Tue afternoon, near gales from the SW by Thu night).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 5°C on Sat afternoon, min -1°C on Fri morning). Winds decreasing (strong winds from the WSW on Fri morning, calm by Fri night).
	Tuesday 22			Wednesday 23			Thursday 24			Friday 25			Saturday 26			Sunday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	some clouds	some clouds	clear	some clouds	some clouds	snow shwrs	light snow	some clouds	some clouds	cloudy	some clouds	some clouds	cloudy	some clouds	clear
Cloud base (m)	6750		8200	6800	6700	8550	6300	6700	1800	1850	1850	7100	5550	4800	4350	3250	2800	2900
km/h	W	WSW	WSW	SW	SSW	SSW	SW	SSW	SW	W	NW	WSW	SSW	SSW	SW	S	N	W
See all weather maps
cm	—	—	—	—	—	—	—	—	2	2	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	0.4	—	—	—	—	—	—	—	—	—
max °C	8	9	6	8	9	8	10	10	7	0	1	2	4	5	4	3	4	2
min °C	7	9	5	6	9	7	8	10	1	-1	-1	0	3	4	3	3	2	0
chill °C	4	7	2	3	7	3	4	7	-6	-8	-7	-4	0	0	-2	-1	2	-5

Freezing level m	3750	3800	3800	3700	3800	3900	3900	3950	2750	2300	2650	2950	3300	3000	3250	2950	2800	2650

	6:52	—	—	6:54	—	—	6:56	—	—	6:56	—	—	6:58	—	—	6:58	—	—
	—	7:05	—	—	7:02	—	—	7:00	—	—	6:59	—	—	6:57	—	—	6:54	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Very mild (max 10°C on Thu morning, min 1°C on Thu night). Winds increasing (light winds from the W on Tue afternoon, near gales from the SW by Thu night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 5°C on Sat afternoon, min -1°C on Fri morning). Winds decreasing (strong winds from the WSW on Fri morning, calm by Fri night).

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	3°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 2 hours ago	8°C	Dry	Calm (2 kph at 27).
Bend 34 km E 1164.6m alt. 31 minutes ago	11°C	Dry	Wind obs. (6 kph from 161 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	7°C	Fog -.	Wind obs. (7 kph from 190 degs) was rejected.	0 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	7°C	Dry	Calm (2 kph at 301).
Bend 37 km SSE 1297m alt. 2 hours ago	4°C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	9°C	Dry	Calm (0 kph at 229).
Deschutes River Woods wx 40 km ESE 1185m alt. 41 minutes ago	9°C	Dry	Calm (0 kph at 287).
Rainbow wx 41 km WSW 410m alt. 28 minutes ago	9°C	Dry	Wind obs. (10 kph from 258 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 26 minutes ago	3°C	Dry	Calm (0 kph at 254).

* 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.