– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Tue 06 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Tue 06 Jan 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 Wed afternoon. Temperatures will be below freezing (max -2°C on Fri afternoon, min -14°C on Wed night). Winds decreasing (severe gales from the W on Tue night, light winds from the NNW by Fri morning).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 3°C on Mon afternoon, min -3°C on Sat night). Winds decreasing (strong winds from the WSW on Sat night, calm by Mon afternoon).
		Wednesday 7			Thursday 8			Friday 9			Saturday 10			Sunday 11			Monday 12
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy snow	light snow	heavy snow	mod. snow	light snow	light snow	snow shwrs	clear	clear	clear	clear	some clouds	some clouds	some clouds	clear	clear	rain shwrs	rain shwrs	some clouds
km/h	W	WSW	W	WNW	NW	NW	NW	NNW	NW	W	S	SW	WSW	W	WNW	W	NNE	NNE	NW
See all weather maps
cm	21	4	17	10	4	5	1	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.1	0.1	—
max °C	-5	-10	-11	-13	-11	-8	-6	-3	-2	-1	1	0	-1	0	0	0	2	3	4
min °C	-9	-11	-12	-14	-13	-9	-7	-4	-2	-2	0	-1	-3	-1	0	0	2	2	3
chill °C	-22	-24	-25	-27	-26	-21	-16	-9	-6	-5	-5	-7	-11	-7	-6	-6	0	0	3

Freezing level m	1350	1000	900	550	700	1000	750	1700	2000	1800	2550	2400	1600	2350	2500	2450	3250	3400	3600
Cloud base (m)	1800	1850	1800	1800	1850	1800	1800	1800	1800	5900	9050	1800	4500	2350	1850		2900	1800

	—	7:41	—	—	7:41	—	—	7:41	—	—	7:39	—	—	7:39	—	—	7:39	—	—
	—	—	4:45	—	—	4:45	—	—	4:46	—	—	4:47	—	—	4:50	—	—	4:51	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be below freezing (max -2°C on Fri afternoon, min -14°C on Wed night). Winds decreasing (severe gales from the W on Tue night, light winds from the NNW by Fri morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 3°C on Mon afternoon, min -3°C on Sat night). Winds decreasing (strong winds from the WSW on Sat night, calm by Mon afternoon).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 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	2° C	-	Calm (3 kph at 293).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	2° C	-	Calm (3 kph at 271).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	3° C	Dry	Light winds from the SSE (6 kph at 148).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	1° C	Light snow.	Moderate winds from the SSW (24 kph at 200).	3 km Low: broken Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 37 minutes ago	1° C	-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	0° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 37 minutes ago	2° C	-	Calm (2 kph at 137).
Camp Sherman 39 km NNE 920.5m alt. 43 minutes ago	2° C	-	Calm (0 kph at 52).
Deschutes River Woods wx 40 km ESE 1185m alt. 24 minutes ago	2° C	-	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.