– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Tue 17 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Tue 17 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Thu afternoon. Extremely cold (max -11°C on Thu night, min -15°C on Tue night). Winds decreasing (strong winds from the W on Wed afternoon, light winds from the NNW by Thu morning).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Sun night. Temperatures will be below freezing (max -3°C on Sat afternoon, min -9°C on Sun night). Winds increasing (light winds from the S on Fri night, severe gales from the S by Sat night).
	Tuesday 17			Wednesday 18			Thursday 19			Friday 20			Saturday 21			Sunday 22
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light snow	light snow	light snow	mod. snow	mod. snow	light snow	light snow	clear	clear	some clouds	some clouds	some clouds	some clouds	some clouds	cloudy	light snow	heavy snow
km/h	SW	WSW	WNW	W	W	SW	NNW	NW	NW	WNW	SW	SSW	SSE	S	S	S	SSW	WSW
See all weather maps
cm	—	1	1	1	6	9	4	5	—	—	—	—	—	—	—	—	2	13
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-13	-13	-14	-13	-13	-13	-12	-12	-11	-7	-7	-7	-4	-3	-3	-3	-3	-5
min °C	-14	-14	-15	-15	-13	-13	-13	-13	-13	-8	-8	-8	-6	-4	-4	-4	-3	-9
chill °C	-24	-22	-26	-27	-26	-23	-18	-20	-20	-15	-16	-16	-14	-14	-14	-15	-13	-21

Freezing level m	600	800	0	550	700	550	800	850	0	750	1300	750	1100	1850	950	1850	2050	1150
Cloud base (m)	1850	2050	1800	1800	1800	1800	1800	1800	1800	7750		2050	2650	4750	1800	1900	1800	1800

	7:03	—	—	7:01	—	—	7:00	—	—	6:58	—	—	6:56	—	—	6:54	—	—
	—	5:38	—	—	5:39	—	—	5:42	—	—	5:43	—	—	5:44	—	—	5:45	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Thu afternoon. Extremely cold (max -11°C on Thu night, min -15°C on Tue night). Winds decreasing (strong winds from the W on Wed afternoon, light winds from the NNW by Thu morning).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sun night. Temperatures will be below freezing (max -3°C on Sat afternoon, min -9°C on Sun night). Winds increasing (light winds from the S on Fri night, severe gales from the S by Sat night).

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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	-4° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 49 minutes ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	-3° C	-	Wind obs. (10 kph from 188 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	-4° C	Light rain .	Light winds from the SSW (7 kph at 200).	16 km Low: few Mid: scattered High: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 55 minutes ago	-5° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	-3° C	-	Calm (0 kph at 159).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	-3° C	-	Calm (0 kph at 9).
Deschutes River Woods wx 40 km ESE 1185m alt. 51 minutes ago	-3° C	-	Calm (2 kph at 206).
Bend 40 km E 1102m alt. 1 hour ago		-	Calm (3 kph at 167).

* 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.