– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Fri 29 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Fri 29 May 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 6°C on Mon morning, min -2°C on Fri night). Winds decreasing (fresh winds from the WNW on Fri night, calm by Sun afternoon).											Days 5–7 Weather Summary Mostly dry. Very mild (max 10°C on Tue afternoon, min 2°C on Wed morning). Winds increasing (calm on Mon afternoon, strong winds from the W by Wed afternoon).
	Fri 29		Saturday 30			Sunday 31			Monday 1			Tuesday 2			Wednesday 3
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	clear	clear
km/h	WNW	WNW	WNW	W	NW	NW	NNW	WSW	SSW	WNW	SW	SW	SW	SW	W	W	WNW
See all weather maps
cm	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	1	0	1	0	3	5	3	6	9	7	9	10	8	3	5	4
min °C	0	-2	-2	1	-1	1	4	3	4	8	6	8	10	4	2	3	2
chill °C	-6	-7	-7	-2	-5	-2	4	3	3	8	4	6	8	-1	-4	-3	-4

Freezing level m	2600	1850	2450	2650	2000	2800	3050	3100	3200	3600	3650	3600	3800	3600	2900	3250	3400
Cloud base (m)	1800	1800		6700		7350	3700				9500		6800	5700	2650	2500	1750

	—	—	5:28	—	—	5:26	—	—	5:26	—	—	5:26	—	—	5:26	—	—
	—	8:39	—	—	8:40	—	—	8:42	—	—	8:43	—	—	8:43	—	—	8:44

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 6°C on Mon morning, min -2°C on Fri night). Winds decreasing (fresh winds from the WNW on Fri night, calm by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 10°C on Tue afternoon, min 2°C on Wed morning). Winds increasing (calm on Mon afternoon, strong winds from the W by Wed afternoon).

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. 42 minutes ago	9° C	Dry	Calm (3 kph at 296).
Bend 34 km E 1147m alt. 2 hours ago	12° C	Dry	Calm (3 kph at 52).
Bend 34 km E 1164.6m alt. 44 minutes ago	13° C	Dry	Calm (5 kph at 13).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	11° C	Dry and cloudy.	Moderate winds from the W (24 kph at 270).	16 km Low: few Mid: scattered High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 47 minutes ago	4° C	Dry	Wind obs. (8 kph from 315 degs) was rejected.
Bend 37 km SSE 1297m alt. 1 hour ago	8° C	Dry	Calm (5 kph at 258).
Bend 37 km ESE 1158m alt. 52 minutes ago	12° C	Dry	Calm (0 kph at 306).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 175).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	5° C	Dry	Light winds from the WSW (18 kph at 246).
Cloverdale wx 42 km NE 947m alt. 54 minutes ago	11° C	Dry	Calm (3 kph at 248).

* 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.