– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Sun 28 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Sun 28 Dec Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Tue afternoon, min -3°C on Sun morning). Winds decreasing (fresh winds from the NNE on Sun morning, calm by Tue morning).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Thu afternoon. Freeze-thaw conditions (max 4°C on Wed morning, min -6°C on Fri night). Winds increasing (calm on Wed afternoon, gales from the S by Fri night).
	Sunday 28			Monday 29			Tuesday 30			Wednesday 31			Thursday 1			Friday 2
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	some clouds	some clouds	cloudy	cloudy	light snow	light snow	mod. snow	some clouds	light snow	light snow
km/h	NNE	NE	W	N	NW	WNW	WNW	W	SW	S	SSW	SSE	SSW	SW	WSW	SSW	S	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	1	4	6	—	1	1
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-2	-1	2	2	2	4	4	5	4	4	3	1	-3	-4	-3	-3	-5	-5
min °C	-3	-1	-1	2	2	3	4	4	4	4	2	-3	-3	-4	-4	-4	-5	-6
chill °C	-11	-5	-7	-3	-2	0	4	2	2	0	2	-10	-10	-14	-13	-14	-16	-18

Freezing level m	1250	1450	1150	3450	3500	3650	3750	3800	3750	3700	3550	3100	2450	2350	2350	2450	2300	2200
Cloud base (m)	1900	1800	1800	6250	1800	9450				7250	6200	5350	2150	1800	1800	1850	1800	1800

	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—
	—	4:36	—	—	4:36	—	—	4:37	—	—	4:37	—	—	4:38	—	—	4:39	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 5°C on Tue afternoon, min -3°C on Sun morning). Winds decreasing (fresh winds from the NNE on Sun morning, calm by Tue morning).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Thu afternoon. Freeze-thaw conditions (max 4°C on Wed morning, min -6°C on Fri night). Winds increasing (calm on Wed afternoon, gales from the S by Fri 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	0° C	-	Calm (0 kph at 38).
Sisters wx 25 km NNE 1022m alt. 39 minutes ago	1° C	-	Calm (2 kph at 82).
Sunriver 34 km SE 1242m alt. 59 minutes ago		Dry
Bend 34 km E 1164.6m alt. 33 minutes ago	2° C	-	Calm (2 kph at 136).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-4° C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	-4° C	-	Calm (0 kph at 77).
Bend 37 km SSE 1297m alt. 2 hours ago	-3° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 32 minutes ago	2° C	-	Calm (2 kph at 112).
Camp Sherman 39 km NNE 920.5m alt. 46 minutes ago	6° C	Dry	Calm (0 kph at 127).
Deschutes River Woods wx 40 km ESE 1185m alt. 20 minutes ago	1° C	-	Calm (2 kph at 147).

* 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.