– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Wed 03 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Wed 03 Jun Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Thu night, min -8°C on Sat morning). Winds increasing (light winds from the SW on Thu afternoon, severe gales from the WSW by Fri night).											Days 5–7 Weather Summary A moderate fall of snow, heaviest on Mon morning. Temperatures will be below freezing (max -2°C on Sun afternoon, min -8°C on Sat afternoon). Winds increasing (light winds from the WNW on Sun morning, severe gales from the WSW by Sun night).
	Wed 3		Thursday 4			Friday 5			Saturday 6			Sunday 7			Monday 8
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	some clouds	cloudy	light snow	light snow	light snow	snow shwrs
km/h	WSW	WNW	WNW	SW	WSW	WSW	WSW	WSW	W	WSW	WNW	WNW	SW	WSW	WSW	SW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	3	5	5	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	0	2	2	3	4	0	-1	0	-8	-7	-6	-4	-2	-2	-3	-3	-4
min °C	-1	2	2	2	1	-1	-2	-6	-8	-8	-8	-5	-3	-3	-3	-4	-7
chill °C	-9	-4	-4	-1	-7	-10	-11	-18	-20	-17	-19	-13	-9	-14	-13	-14	-18

Freezing level m	3050	3500	3500	3700	3700	2950	2950	2350	2000	2300	1700	2600	2900	2600	2650	2600	2150
Cloud base (m)	2700	1800				2650	2750	1850	1850	2500	1950	7650	6650	2250	1800	1800	2000

	—	—	5:24	—	—	5:24	—	—	5:24	—	—	5:24	—	—	5:24	—	—
	—	8:44	—	—	8:45	—	—	8:45	—	—	8:45	—	—	8:46	—	—	8:47

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 4°C on Thu night, min -8°C on Sat morning). Winds increasing (light winds from the SW on Thu afternoon, severe gales from the WSW by Fri night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Mon morning. Temperatures will be below freezing (max -2°C on Sun afternoon, min -8°C on Sat afternoon). Winds increasing (light winds from the WNW on Sun morning, severe gales from the WSW 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	17° C	Dry	Calm (3 kph at 280).
Bend 34 km E 1147m alt. 1 hour ago	18° C	Dry	Wind obs. (8 kph from 334 degs) was rejected.
Bend 34 km E 1164.6m alt. 2 hours ago	19° C	Dry	Light winds from the SW (11 kph at 225).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	16° C	Clear	Moderate winds from the WSW (22 kph at 250).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 38 minutes ago	10° C	Dry	Wind obs. (6 kph from 350 degs) was rejected.
Bend 37 km SSE 1297m alt. 50 minutes ago	16° C	Dry	Wind obs. (6 kph from 336 degs) was rejected.
Bend 37 km ESE 1158m alt. 1 hour ago	20° C	Dry	Calm (2 kph at 195).
Camp Sherman 39 km NNE 920.5m alt. 42 minutes ago	17° C	Dry	Wind obs. (6 kph from 338 degs) was rejected.
Rainbow wx 41 km WSW 410m alt. 52 minutes ago	11° C	Dry	Light winds from the WSW (6 kph at 244).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	20° C	Dry	Wind obs. (8 kph from 209 degs) was rejected.

* 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.