– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Thu 16 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Thu 16 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Temperatures will be below freezing (max 0°C on Sat night, min -10°C on Thu night). Winds increasing (light winds from the WSW on Fri afternoon, strong winds from the SSE by Sun morning).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Mon night, min -7°C on Wed morning). Winds increasing (light winds from the SSW on Tue afternoon, gales from the NW by Wed afternoon).
		Friday 17			Saturday 18			Sunday 19			Monday 20			Tuesday 21			Wednesday 22
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	cloudy	some clouds	some clouds	some clouds	cloudy	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds	cloudy	light snow	heavy snow	heavy snow	heavy snow	clear
km/h	NW	NNW	WSW	SW	SSW	S	S	S	SSE	SSE	S	S	S	SSE	SSW	NW	WNW	NNW	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2	22	11	13	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-8	-6	-4	-3	-3	-2	0	0	0	0	0	0	1	0	0	-3	-7	-4	-2
min °C	-10	-7	-5	-3	-3	-3	-1	-1	-1	0	-1	0	1	0	-2	-6	-7	-6	-2
chill °C	-19	-16	-9	-9	-8	-9	-7	-9	-8	-7	-9	-7	-6	-7	-5	-15	-18	-18	-11

Freezing level m	300	2000	2500	2050	2750	2900	3100	3000	3200	3150	3000	3150	3250	3100	2900	2150	1700	1950	1450
Cloud base (m)	1950	8550	2200	6650	3500	3550	3400	4650	5400	4900	4800	3450	3850		2250	1800	1800	1800	1800

	—	6:20	—	—	6:18	—	—	6:16	—	—	6:15	—	—	6:13	—	—	6:11	—	—
	—	—	7:52	—	—	7:53	—	—	7:54	—	—	7:55	—	—	7:58	—	—	7:59	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Temperatures will be below freezing (max 0°C on Sat night, min -10°C on Thu night). Winds increasing (light winds from the WSW on Fri afternoon, strong winds from the SSE by Sun morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Mon night, min -7°C on Wed morning). Winds increasing (light winds from the SSW on Tue afternoon, gales from the NW by Wed afternoon).

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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 2 hours ago	-3° C	-	Calm (0 kph at 0).
Bend 34 km E 1164.6m alt. 2 hours ago	1° C	-	Calm (5 kph at 162).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-3° C	Clear	Light winds from the SW (7 kph at 220).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 42 minutes ago	-4° C	-	Calm (0 kph at 330).
Bend 37 km SSE 1297m alt. 2 hours ago	-3° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	-1° C	-	Calm (0 kph at 325).
Bend wx 39 km E 1118m alt. 3 hours ago	1° C	-	Calm (0 kph at 270).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	-3° C	-	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	-1° C	-	Calm (0 kph at 88).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	-3° C	-	Calm (0 kph at 247).

* 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.