– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Thu 04 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Thu 04 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 Fri morning. Temperatures will be below freezing (max -1°C on Fri morning, min -7°C on Fri night). Winds decreasing (extremely windy from the WNW on Fri afternoon, strong winds from the W by Sat night).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be below freezing (max 0°C on Tue afternoon, min -5°C on Sun night). Winds increasing (gales from the W on Sun night, extremely windy from the W by Tue night).
		Friday 5			Saturday 6			Sunday 7			Monday 8			Tuesday 9			Wednesday 10
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	heavy snow	snow shwrs	snow shwrs	clear	clear	snow shwrs	light snow	light snow	mod. snow	light snow	light snow	heavy snow	light snow	light snow	heavy snow	heavy snow	heavy snow	mod. snow
km/h	NW	W	WNW	WNW	WNW	WNW	W	W	WNW	W	W	W	W	W	W	W	W	W	WNW
See all weather maps
cm	3	11	6	1	—	—	1	3	5	6	4	5	36	4	5	17	13	27	6
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-2	-1	-2	-6	-6	-5	-4	-5	-5	-4	-2	-1	-1	-2	0	0	-1	-3	-4
min°C	-2	-2	-5	-7	-7	-7	-6	-6	-5	-5	-3	-1	-5	-3	0	-1	-2	-3	-4
chill°C	-13	-13	-18	-21	-20	-20	-16	-18	-17	-16	-15	-12	-16	-15	-11	-14	-15	-15	-16

Freezing level (m)	2550	2700	2650	1750	1700	1750	1700	1900	2150	2300	2550	2850	2850	1950	3100	3150	3050	2550	2100
Cloud base (m)	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800

	—	7:26	—	—	7:26	—	—	7:28	—	—	7:28	—	—	7:30	—	—	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 Fri morning. Temperatures will be below freezing (max -1°C on Fri morning, min -7°C on Fri night). Winds decreasing (extremely windy from the WNW on Fri afternoon, strong winds from the W by Sat night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be below freezing (max 0°C on Tue afternoon, min -5°C on Sun night). Winds increasing (gales from the W on Sun night, 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. 1 hour ago	8° C	Dry	Calm (2 kph at 278).
Sisters wx 25 km NNE 1022m alt. 53 minutes ago	8° C	Dry	Calm (3 kph at 337).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	8° C	Dry	Wind obs. (11 kph from 184 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	7° C	Dry and partly cloudy.	Light winds from the SSE (17 kph at 160).	16 km Low: few Mid: scattered High: broken
Black Butte Ranch wx 36 km NW 1429m alt. 3 hours ago	3° C	Dry	Calm (5 kph at 278).
Bend 37 km SSE 1297m alt. 1 hour ago	5° C	Dry	Calm (2 kph at 143).
Bend 37 km ESE 1158m alt. 54 minutes ago	8° C	Dry	Calm (0 kph at 200).
Camp Sherman 39 km NNE 920.5m alt. 3 hours ago	8° C	Dry	Calm (0 kph at 203).
Deschutes River Woods wx 40 km ESE 1185m alt. 3 hours ago	8° C	Dry	Calm (5 kph at 214).

* 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.