– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Fri 17 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Fri 17 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Temperatures will be below freezing (max 0°C on Sat night, min -7°C on Fri morning). Winds increasing (light winds from the NW on Fri afternoon, strong winds from the SSE by Sun night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Mon afternoon, min -10°C on Wed night). Winds increasing (light winds from the WNW on Tue afternoon, gales from the WNW by Wed night).
	Friday 17			Saturday 18			Sunday 19			Monday 20			Tuesday 21			Wednesday 22
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	cloudy	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	cloudy	some clouds	some clouds	some clouds	light snow	heavy snow	heavy snow	mod. snow	snow shwrs
km/h	NNW	SW	SW	SW	S	S	S	SSE	S	S	S	SSE	S	WNW	W	WNW	NW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	1	26	11	8	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-4	-3	-3	-2	0	0	0	0	0	1	1	0	-1	-4	-7	-4	-3
min °C	-7	-5	-3	-3	-3	-1	0	-1	0	-1	0	1	-1	-3	-7	-8	-7	-10
chill °C	-15	-8	-9	-8	-9	-7	-8	-8	-7	-9	-6	-5	-6	-7	-18	-20	-18	-23

Freezing level m	2000	2500	1950	2750	2900	3100	3150	3200	3150	3000	3200	3250	3050	2800	2050	1700	1850	1250
Cloud base (m)	6650	2350	5650	4750	3350	3750	4550	5100	6000	5000	3600	4100	4900	2300	1800	1800	1850	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 -7°C on Fri morning). Winds increasing (light winds from the NW on Fri afternoon, strong winds from the SSE by Sun night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Mon afternoon, min -10°C on Wed night). Winds increasing (light winds from the WNW on Tue afternoon, gales from the WNW by Wed 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	-7° C	-	Calm (0 kph at 0).
Bend 34 km E 1164.6m alt. 2 hours ago	-3° C	-	Light winds from the ESE (6 kph at 113).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-7° C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	-6° C	-	Calm (0 kph at 283).
Bend 37 km SSE 1297m alt. 56 minutes ago	-10° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	-3° C	-	Calm (0 kph at 198).
Bend wx 39 km E 1118m alt. 1 hour ago	-4° C	-	Calm (2 kph at 221).
Deschutes River Woods wx 40 km ESE 1185m alt. 54 minutes ago	-6° C	-	Calm (0 kph at 198).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	-3° C	-	Light winds from the E (18 kph at 84).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	-9° 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.