– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 am Fri 25 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Fri 25 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. Temperatures will be below freezing (max 0°C on Sat night, min -6°C on Fri morning). Winds decreasing (severe gales from the WSW on Fri morning, calm by Sun afternoon).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Mon night, min -2°C on Wed night). Winds increasing (light winds from the WNW on Mon afternoon, near gales from the W by Tue night).
	Friday 25			Saturday 26			Sunday 27			Monday 28			Tuesday 29			Wednesday 30
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	some clouds	some clouds	clear	clear	some clouds	some clouds	some clouds	clear	clear	clear	some clouds	cloudy	some clouds	some clouds	some clouds	cloudy	some clouds
Cloud base (m)	1800	1950	1800			6000	4800	3300				6800	5300	2600	3500	1950	1900	1800
km/h	W	W	NW	SW	S	SW	SSW	NNW	NW	NW	W	WNW	WNW	W	W	W	W	NW
See all weather maps
cm	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-4	-3	-1	-1	0	-2	-2	0	1	2	4	4	3	3	1	0	0
min °C	-6	-5	-4	-2	-2	-1	-2	-2	-1	0	1	3	3	2	1	0	-1	-2
chill °C	-18	-16	-12	-5	-5	-7	-5	-4	-5	-4	-2	-3	-4	-5	-7	-8	-9	-10

Freezing level m	2200	2400	2400	2950	2950	3000	2900	2900	3000	3300	3550	3850	3800	3650	3550	3100	2900	3000

	6:56	—	—	6:58	—	—	6:58	—	—	7:00	—	—	7:01	—	—	7:03	—	—
	—	6:59	—	—	6:57	—	—	6:54	—	—	6:53	—	—	6:52	—	—	6:50	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Temperatures will be below freezing (max 0°C on Sat night, min -6°C on Fri morning). Winds decreasing (severe gales from the WSW on Fri morning, calm by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 4°C on Mon night, min -2°C on Wed night). Winds increasing (light winds from the WNW on Mon afternoon, near gales from the W by Tue 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. 2 hours ago	9°C	Dry	Calm (0 kph at 40).
Bend 34 km E 1147m alt. 2 hours ago	8°C	Dry	Calm (5 kph at 194).
Bend 34 km E 1164.6m alt. 1 hour ago	9°C	Dry	Light winds from the SSW (6 kph at 206).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 3 hours ago	8°C	Light rain .	Light winds from the SSW (15 kph at 210).	6 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	4°C	Dry	Wind obs. (19 kph from 294 degs) was rejected.
Bend 37 km SSE 1297m alt. 1 hour ago	7°C	Dry	Calm (2 kph at 213).
Bend 37 km ESE 1158m alt. 2 hours ago	9°C	Dry	Calm (0 kph at 138).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	8°C	Dry	Calm (3 kph at 191).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	5°C	Dry	Moderate winds from the S (26 kph at 175).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	12°C	Dry	Calm (3 kph at 219).

* 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.