– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Sat 18 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sat 18 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. Freeze-thaw conditions (max 6°C on Sun afternoon, min 0°C on Sat morning). Winds increasing (light winds from the WSW on Sat morning, strong winds from the SSE by Sun morning).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 1°C on Thu afternoon, min -5°C on Tue night). Winds increasing (light winds from the S on Tue afternoon, gales from the WNW by Wed morning).
	Saturday 18			Sunday 19			Monday 20			Tuesday 21			Wednesday 22			Thursday 23
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	cloudy	cloudy	some clouds	cloudy	cloudy	light rain	cloudy	light snow	mod. snow	mod. snow	mod. snow	snow shwrs	clear	clear	clear
km/h	SSW	SSE	S	SSE	SSE	SSE	SSE	S	S	S	WNW	WNW	WNW	WNW	WNW	N	NNW	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	4	6	9	6	1	—	—	—
mm	—	—	—	—	—	—	—	—	0.5	—	—	—	—	—	—	—	—	—
max °C	2	4	3	4	6	4	4	6	4	0	0	-2	-5	-3	-1	-1	1	0
min °C	0	3	2	3	5	3	3	6	0	0	-2	-5	-5	-4	-2	-2	0	-2
chill °C	-3	0	-3	-3	0	-3	-3	1	-6	-7	-7	-16	-16	-14	-8	-8	-5	-6

Freezing level m	2850	3000	3200	3100	3150	3200	2900	3200	2850	2500	2200	1900	1500	1550	1250	2200	2700	1500
Cloud base (m)	3600	3850	3800	4600	5000	4600	5150	3500	3150	2000	2000	1800	1800	1800	1800	1800	1850	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 6°C on Sun afternoon, min 0°C on Sat morning). Winds increasing (light winds from the WSW on Sat morning, strong winds from the SSE by Sun morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 1°C on Thu afternoon, min -5°C on Tue night). Winds increasing (light winds from the S on Tue afternoon, gales from the WNW by Wed morning).

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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	19° C	Dry	Calm (3 kph at 51).
Bend 34 km E 1164.6m alt. 2 hours ago	22° C	Dry	Calm (5 kph at 139).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	18° C	Clear	Light winds from the SE (11 kph at 140).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 36 minutes ago	14° C	Dry	Calm (2 kph at 290).
Bend 37 km SSE 1297m alt. 37 minutes ago	19° C	Dry	Calm (3 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	22° C	Dry	Calm (0 kph at 314).
Deschutes River Woods wx 40 km ESE 1185m alt. 51 minutes ago	19° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	16° C	Dry	Light winds from the WNW (10 kph at 302).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	20° C	Dry	Calm (2 kph at 19).
La Pine 43 km SSE 1298m alt. 2 hours ago	21° C	Dry	Calm (0 kph at 178).

* 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.