– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Fri 17 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Fri 17 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. Freeze-thaw conditions (max 1°C on Sun night, min -4°C on Fri night). Winds increasing (light winds from the WSW on Sat morning, near gales from the SSE by Sun night).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max 0°C on Mon night, min -9°C on Wed morning). Winds increasing (light winds from the WNW on Tue night, stormy winds from the WNW by Wed afternoon).
		Saturday 18			Sunday 19			Monday 20			Tuesday 21			Wednesday 22			Thursday 23
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	some clouds	some clouds	cloudy	some clouds	some clouds	some clouds	cloudy	cloudy	light snow	heavy snow	mod. snow	snow shwrs	snow shwrs	cloudy	clear	clear
km/h	SW	SW	SSE	S	S	SSE	SSE	S	S	S	S	SSW	WNW	W	WNW	N	NNE	NNE	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	1	12	9	4	4	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-2	-2	0	0	0	1	0	1	0	-5	-4	-6	-8	-6	-7	-6	-6	-5
min °C	-4	-3	-2	-1	0	-1	0	-1	1	-2	-5	-4	-8	-9	-7	-8	-7	-6	-7
chill °C	-11	-8	-8	-7	-8	-8	-7	-8	-6	-11	-12	-13	-20	-22	-21	-21	-14	-14	-19

Freezing level m	1900	2800	2950	3150	3150	3200	3300	3000	3350	3100	2500	2500	2000	1550	1450	1200	1700	2150	1850
Cloud base (m)	5450	6350			4750	5100	6200	5150		4350	2200	2350	1800	1800	1800	1800	1800	1800

	—	6:18	—	—	6:16	—	—	6:15	—	—	6:13	—	—	6:11	—	—	6:11	—	—
	—	—	7:53	—	—	7:54	—	—	7:55	—	—	7:58	—	—	7:59	—	—	—	8:00

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 1°C on Sun night, min -4°C on Fri night). Winds increasing (light winds from the WSW on Sat morning, near gales from the SSE by Sun night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max 0°C on Mon night, min -9°C on Wed morning). Winds increasing (light winds from the WNW on Tue night, stormy winds from the WNW 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. 43 minutes ago	2° C	-	Calm (0 kph at 209).
Bend 34 km E 1164.6m alt. 49 minutes ago	7° C	Dry	Calm (2 kph at 333).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	5° C	-	Light winds from the NNE (13 kph at 20).	16 km Low: few
Black Butte Ranch wx 36 km NW 1429m alt. 38 minutes ago	2° C	-	Calm (3 kph at 221).
Bend 37 km SSE 1297m alt. 1 hour ago	2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 42 minutes ago	7° C	Dry	Calm (0 kph at 329).
Bend wx 39 km E 1118m alt. 2 hours ago	7° C	Dry	Calm (2 kph at 286).
Deschutes River Woods wx 40 km ESE 1185m alt. 48 minutes ago	4° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 42 minutes ago	6° C	Dry	Moderate winds from the E (23 kph at 84).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 227).

* 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.