– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Wed 27 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Wed 27 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mild at first with light rain (total 8mm) on Thu afternoon followed by colder weather and light fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 5°C on Thu morning, min -6°C on Sat afternoon). Winds decreasing (gales from the NE on Wed night, calm by Sat afternoon).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Tue afternoon, min -3°C on Sat night). Wind will be generally light.
		Thursday 28			Friday 29			Saturday 30			Sunday 31			Monday 1			Tuesday 2
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	risk tstorm	heavy snow	cloudy	snow shwrs	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	some clouds
km/h	E	ENE	NNW	N	NNW	NW	WNW	WNW	SW	NW	NNW	SSE	WNW	NW	WNW	WSW	WSW	W	SW
See all weather maps
cm	—	—	—	16	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	8	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	5	4	2	-2	-1	0	-3	-5	-3	-2	-2	1	1	3	4	4	5	5
min °C	2	4	4	-1	-3	-3	-3	-4	-6	-3	-2	-3	-1	1	2	3	4	5	4
chill °C	-5	-2	-2	-8	-12	-11	-8	-8	-6	-7	-7	-3	-5	-2	2	0	1	2	-2

Freezing level m	3550	3750	3700	3050	2550	3000	2450	2450	2600	1650	2850	2950	3250	3350	3600	3750	3800	4000	3850
Cloud base (m)		5400	2250	1800	1800	1800	1800	7150	3050			3600		7700	8250	9200		9400	6400

	—	5:28	—	—	5:28	—	—	5:28	—	—	5:26	—	—	5:26	—	—	5:26	—	—
	—	—	—	8:38	—	—	8:39	—	—	8:40	—	—	8:42	—	—	8:43	—	—	8:43

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mild at first with light rain (total 8mm) on Thu afternoon followed by colder weather and light fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 5°C on Thu morning, min -6°C on Sat afternoon). Winds decreasing (gales from the NE on Wed night, calm by Sat afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Tue afternoon, min -3°C on Sat night). Wind will be generally light.

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	14° C	Dry	Calm (0 kph at 68).
Bend 34 km E 1147m alt. 2 hours ago	12° C	Dry	Calm (0 kph at —).
Bend 34 km E 1164.6m alt. 42 minutes ago	13° C	Dry	Calm (0 kph at 79).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	6° C	Fog -.	Calm (0 kph at 0).	0 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	10° C	Dry	Calm (3 kph at 287).
Bend 37 km SSE 1297m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 304).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	13° C	Dry	Calm (0 kph at 22).
Rainbow wx 41 km WSW 410m alt. 46 minutes ago	11° C	Dry	Light winds from the ENE (18 kph at 59).
Cloverdale wx 42 km NE 947m alt. 3 hours ago	14° C	Dry	Calm (0 kph at 234).

* 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.