– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Sun 01 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sun 01 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -2°C on Mon afternoon, min -11°C on Wed morning). Winds increasing (light winds from the SE on Mon night, gales from the NW by Wed afternoon).										Days 5–7 Weather Summary A light covering of new snow mostly falling on Wed night. Freeze-thaw conditions (max 2°C on Sat afternoon, min -11°C on Wed night). Mainly stormy winds.
		Monday 2			Tuesday 3			Wednesday 4			Thursday 5			Friday 6			Saturday 7
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	some clouds	clear	clear	some clouds	some clouds	mod. snow	mod. snow	mod. snow	snow shwrs	clear	clear	snow shwrs	light snow	some clouds	some clouds	some clouds	some clouds	some clouds
km/h	WNW	NNE	NNE	S	SW	SW	WSW	WSW	WNW	NW	N	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NW
See all weather maps
cm	4	—	—	—	—	—	8	8	6	4	—	—	2	1	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-4	-2	-2	-4	-6	-7	-11	-11	-7	-6	-6	-4	-5	-1	-1	1	2	2
min °C	-6	-5	-4	-3	-5	-6	-10	-11	-11	-11	-7	-6	-6	-5	-3	-2	0	2	-3
chill °C	-12	-12	-9	-10	-15	-16	-22	-23	-23	-24	-19	-17	-18	-16	-12	-11	-10	-6	-14

Freezing level m	2000	2250	2450	2400	2450	2350	1850	1650	1400	1350	1100	1300	1400	1750	2250	2200	3200	3450	3400
Cloud base (m)	1800	1800	1950	8500	2100	2400	1800	1800	1800	1800	1800	1850	1800	1800	1800	1800	1850	1800	1800

	—	6:41	—	—	6:39	—	—	6:37	—	—	6:35	—	—	6:35	—	—	6:33	—	—
	—	—	5:55	—	—	5:58	—	—	5:59	—	—	6:00	—	—	6:01	—	—	6:02	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -2°C on Mon afternoon, min -11°C on Wed morning). Winds increasing (light winds from the SE on Mon night, gales from the NW by Wed afternoon).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Wed night. Freeze-thaw conditions (max 2°C on Sat afternoon, min -11°C on Wed night). Mainly stormy winds.

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	4° C	Dry	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 59).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	4° C	Dry and cloudy.	Wind obs. (9 kph from 40 degs) was rejected.	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 105).
Bend 37 km ESE 1158m alt. 2 hours ago	5° C	Dry	Calm (0 kph at 300).
Bend wx 39 km E 1118m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 270).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	5° C	Dry	Calm (0 kph at 8).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	4° C	Dry	Calm (0 kph at —).

* 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.