– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Thu 20 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Thu 20 Nov Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Sun afternoon. Freeze-thaw conditions (max 5°C on Sat morning, min -8°C on Sun afternoon). Winds increasing (light winds from the NE on Thu night, gales from the WSW by Sun morning).										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Sun night. Temperatures will be below freezing (max 0°C on Wed morning, min -11°C on Sun night). Winds decreasing (near gales from the WNW on Sun night, moderate winds from the NNW by Mon night).
		Friday 21			Saturday 22			Sunday 23			Monday 24			Tuesday 25			Wednesday 26
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	clear	some clouds	clear	clear	some clouds	some clouds	heavy snow	mod. snow	light snow	snow shwrs	some clouds	clear	some clouds	light snow	light snow	cloudy	snow shwrs
km/h	NNW	NNW	NNE	WNW	W	W	WSW	WSW	W	WNW	WNW	NW	NNW	NNW	WNW	W	W	W	W
See all weather maps
cm	—	—	—	—	—	—	—	—	11	9	2	1	—	—	—	1	1	—	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-1	3	3	3	5	3	2	0	-6	-10	-10	-10	-8	-3	-2	-1	0	0	0
min°C	-4	2	2	2	4	3	0	-3	-8	-11	-10	-11	-9	-5	-3	-2	-1	0	-1
chill°C	-7	0	-1	-1	0	-2	-8	-13	-19	-23	-21	-21	-17	-12	-10	-10	-10	-8	-10

Freezing level (m)	1200	2900	3400	3350	3350	3300	3200	2450	1550	950	1050	1000	650	1450	1700	1800	2100	2600	2550
Cloud base (m)	1800	8650	7950		6650	9300	5450	5200	2100	1800	1800	1800	1800	8300	3450	1900	1850	1800	1800

	—	7:09	—	—	7:11	—	—	7:11	—	—	7:13	—	—	7:15	—	—	7:16	—	—
	—	—	4:35	—	—	4:34	—	—	4:32	—	—	4:32	—	—	4:31	—	—	4:31	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Sun afternoon. Freeze-thaw conditions (max 5°C on Sat morning, min -8°C on Sun afternoon). Winds increasing (light winds from the NE on Thu night, gales from the WSW by Sun morning).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sun night. Temperatures will be below freezing (max 0°C on Wed morning, min -11°C on Sun night). Winds decreasing (near gales from the WNW on Sun night, moderate winds from the NNW by Mon 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 2 hours ago	-3° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 2 hours ago	-2° C	-	Calm (0 kph at 253).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	1° C	-	Calm (2 kph at 61).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-4° C	Dry and partly cloudy.	Light winds from the NNW (6 kph at 340).	16 km Low: scattered Mid: broken
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	-2° C	-	Calm (0 kph at 295).
Bend 37 km SSE 1297m alt. 47 minutes ago	-6° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 57 minutes ago	-2° C	-	Calm (0 kph at 327).
Bend wx 39 km E 1118m alt. 2 hours ago	0° C	-	Calm (5 kph at 47).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-3° C	-	Calm (0 kph at 329).

* 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.