– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Fri 05 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Fri 05 Dec 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 Mon afternoon. Temperatures will be below freezing (max -2°C on Mon afternoon, min -9°C on Fri night). Winds increasing (near gales from the W on Sun night, extremely windy from the W by Mon afternoon).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max 0°C on Tue morning, min -3°C on Mon night). Winds increasing (severe gales from the W on Tue morning, extremely windy from the W by Tue night).
		Saturday 6			Sunday 7			Monday 8			Tuesday 9			Wednesday 10			Thursday 11
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	clear	some clouds	snow shwrs	light snow	light snow	snow shwrs	light snow	mod. snow	heavy snow	mod. snow	heavy snow	snow shwrs	heavy snow	light snow	light snow	light snow	light snow	light snow
km/h	WNW	WNW	WNW	WSW	W	W	W	W	W	W	W	W	W	W	WNW	W	WNW	WNW	WNW
See all weather maps
cm	1	—	—	5	5	3	2	3	6	20	7	13	18	16	4	3	2	2	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-6	-6	-5	-5	-4	-5	-4	-3	-2	-3	0	0	-1	-2	-2	-2	-2	-2	0
min°C	-9	-6	-7	-7	-5	-6	-7	-3	-2	-3	-3	-1	-3	-3	-3	-2	-2	-2	-2
chill°C	-23	-19	-20	-20	-18	-17	-18	-14	-14	-15	-14	-13	-16	-15	-15	-13	-14	-14	-12

Freezing level (m)	1750	1800	1850	1700	2300	2250	2150	2500	2700	2500	2600	3100	2850	2800	2500	2800	2750	2750	2850
Cloud base (m)	1800	1800	1800	1850	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800

	—	7:26	—	—	7:28	—	—	7:28	—	—	7:30	—	—	7:31	—	—	7:31	—	—
	—	—	4:28	—	—	4:28	—	—	4:28	—	—	4:28	—	—	4:28	—	—	4:28	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Mon afternoon. Temperatures will be below freezing (max -2°C on Mon afternoon, min -9°C on Fri night). Winds increasing (near gales from the W on Sun night, extremely windy from the W by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max 0°C on Tue morning, min -3°C on Mon night). Winds increasing (severe gales from the W on Tue morning, extremely windy from the W by Tue 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 57 minutes ago	5° C	Dry	Calm (3 kph at 0).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	7° C	Dry	Calm (3 kph at 283).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	8° C	Dry	Light winds from the SW (16 kph at 235).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	5° C	Dry and partly cloudy.	Wind obs. (13 kph from 190 degs) was rejected.	16 km Low: few Mid: scattered High: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	2° C	-	Wind obs. (10 kph from 288 degs) was rejected.
Bend 37 km SSE 1297m alt. 57 minutes ago	5° C	Dry	Light winds from the W (11 kph at 280).
Bend 37 km ESE 1158m alt. 1 hour ago	7° C	Dry	Calm (2 kph at 213).
Bend wx 39 km E 1118m alt. 3 hours ago	8° C	Dry	Light winds from the SW (19 kph at 236).
Camp Sherman 39 km NNE 920.5m alt. 47 minutes ago	7° C	Dry	Calm (0 kph at 164).

* 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.