– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Thu 21 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Thu 21 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 10°C on Sat afternoon, min 5°C on Thu night). Wind will be generally light.										Days 5–7 Weather Summary A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 9°C on Sun night, min -7°C on Mon night). Winds decreasing (near gales from the SW on Mon afternoon, light winds from the NE by Wed afternoon).
		Friday 22			Saturday 23			Sunday 24			Monday 25			Tuesday 26			Wednesday 27
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	light snow	light snow	snow shwrs	some clouds	some clouds	some clouds	clear
km/h	NW	W	W	WSW	W	W	W	WSW	WSW	SW	SW	SW	W	WNW	NNW	NNW	NE	NNE	E
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	3	1	1	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	7	7	9	8	8	10	8	9	10	9	6	3	-3	-5	-3	-3	-2	1	4
min °C	5	6	9	6	7	9	6	7	10	6	5	-2	-7	-5	-4	-4	-4	0	1
chill °C	2	4	8	3	4	7	2	3	7	0	-1	-12	-16	-12	-10	-11	-9	-4	-4

Freezing level m	3450	3300	3600	3650	3600	3800	3750	3600	3800	3800	3150	2200	1550	1750	2050	1800	2200	2650	3450
Cloud base (m)	9350			8350		6750	8250		8900	9050	8550	2100	1800	1800	1800	1800	1800	2250	9400

	—	5:33	—	—	5:33	—	—	5:31	—	—	5:31	—	—	5:30	—	—	5:30	—	—
	—	—	—	8:32	—	—	8:34	—	—	8:35	—	—	8:36	—	—	8:37	—	—	8:37

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 10°C on Sat afternoon, min 5°C on Thu night). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 9°C on Sun night, min -7°C on Mon night). Winds decreasing (near gales from the SW on Mon afternoon, light winds from the NE 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. 44 minutes ago	5° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 1 hour ago	7° C	Dry	Calm (2 kph at 7).
Bend 34 km E 1164.6m alt. 34 minutes ago	12° C	Dry	Calm (0 kph at 107).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	4° C	Clear	Light winds from the NNW (7 kph at 340).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 58 minutes ago	6° C	Dry	Calm (0 kph at 212).
Bend 37 km SSE 1297m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 44 minutes ago	8° C	Dry	Calm (0 kph at 326).
Camp Sherman 39 km NNE 920.5m alt. 30 minutes ago	4° C	Dry	Calm (0 kph at 177).
Deschutes River Woods wx 40 km ESE 1185m alt. 30 minutes ago	4° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 51 minutes ago	13° C	Dry	Light winds from the ENE (6 kph at 57).

* 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.