– Lat/Long: 44.10° N 121.77° W

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

Issued: 10 pm Tue 21 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Wed afternoon. Temperatures will be below freezing (max 0°C on Thu morning, min -10°C on Wed morning). Winds decreasing (severe gales from the W on Wed afternoon, light winds from the NNW by Fri morning).										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Sun afternoon. Temperatures will be below freezing (max -3°C on Fri night, min -10°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the ESE by Sun night).
		Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26			Monday 27
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	light snow	mod. snow	snow shwrs	clear	clear	clear	clear	some clouds	some clouds	some clouds	light snow	snow shwrs	some clouds	light snow	light snow	cloudy	light snow	snow shwrs
km/h	W	WNW	NW	NNW	N	NW	NW	NNW	W	W	W	NNW	W	W	W	ESE	SE	SE	E
See all weather maps
cm	2	2	6	1	—	—	—	—	—	—	—	3	1	—	5	2	—	2	1
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-7	-9	-7	-2	0	-2	-2	-2	-4	-3	-8	-8	-9	-10	-8	-8	-8	-6	-5
min °C	-9	-10	-9	-4	-1	-2	-3	-2	-4	-7	-8	-8	-10	-10	-9	-9	-8	-7	-6
chill °C	-20	-24	-23	-15	-8	-8	-9	-6	-8	-14	-14	-11	-16	-15	-12	-16	-16	-11	-12

Freezing level m	1750	1500	1550	1200	2950	2900	1750	2750	2650	1900	2200	2250	1600	2050	2100	1750	2150	2400	2200
Cloud base (m)	1800	1800	1800	1800	1800	2050			3100	2450	2400	2150	2550	2450	2200	2150	2350	2150	2850

	—	6:11	—	—	6:11	—	—	6:09	—	—	6:07	—	—	6:05	—	—	6:03	—	—
	—	—	7:59	—	—	—	8:00	—	—	8:00	—	—	8:01	—	—	8:04	—	—	8:05

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Wed afternoon. Temperatures will be below freezing (max 0°C on Thu morning, min -10°C on Wed morning). Winds decreasing (severe gales from the W on Wed afternoon, light winds from the NNW by Fri morning).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sun afternoon. Temperatures will be below freezing (max -3°C on Fri night, min -10°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the ESE by Sun 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. 1 hour ago	6° C	Dry	Calm (5 kph at 288).
Bend 34 km E 1164.6m alt. 36 minutes ago	5° C	Dry	Wind obs. (6 kph from 168 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	3° C	Clear	Light winds from the SSW (19 kph at 200).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	2° C	-	Calm (3 kph at 295).
Bend 37 km SSE 1297m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 234).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 339).
Deschutes River Woods wx 40 km ESE 1185m alt. 49 minutes ago	4° C	Dry	Calm (2 kph at 205).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	2° C	-	Moderate winds from the SW (26 kph at 229).
Cloverdale wx 42 km NE 947m alt. 51 minutes ago	7° C	Dry	Calm (0 kph at 221).
La Pine 43 km SSE 1298m alt. 2 hours ago	3° C	Dry	Calm (2 kph at 262).

* 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.