– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Mon 18 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Mon 18 May 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 3°C on Wed night, min -4°C on Mon night). Winds decreasing (fresh winds from the NNW on Mon night, calm by Thu morning).										Days 5–7 Weather Summary Mostly dry. Mild temperatures (max 5°C on Fri night, min 2°C on Fri morning). Winds increasing (calm on Fri afternoon, near gales from the WSW by Sun afternoon).
		Tuesday 19			Wednesday 20			Thursday 21			Friday 22			Saturday 23			Sunday 24
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	some clouds	clear	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds
km/h	NNW	NW	W	NW	N	ENE	N	ENE	NNW	NW	SW	SSW	SW	SW	WSW	W	WSW	WSW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-3	-2	0	-1	1	3	2	3	3	3	4	5	4	3	4	2	2	3
min °C	-4	-3	-3	-1	-1	0	2	1	3	3	2	4	5	3	3	2	2	2	1
chill °C	-8	-10	-7	-7	-5	0	-2	1	3	1	1	4	2	-3	-2	-4	-4	-4	-9

Freezing level m	2200	2750	2950	3000	2950	3300	3500	3350	3650	3600	3500	3800	3900	3600	3650	3600	3500	3550	3600
Cloud base (m)		6900	2850	1800	9200	3400	7300										7000	6700	3600

	—	5:35	—	—	5:35	—	—	5:35	—	—	5:33	—	—	5:33	—	—	5:31	—	—
	—	—	—	8:30	—	—	8:30	—	—	8:31	—	—	8:32	—	—	8:34	—	—	8:35

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 3°C on Wed night, min -4°C on Mon night). Winds decreasing (fresh winds from the NNW on Mon night, calm by Thu morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 5°C on Fri night, min 2°C on Fri morning). Winds increasing (calm on Fri afternoon, near gales from the WSW by Sun 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. 1 hour ago	-1° C	-	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 52 minutes ago	1° C	-	Calm (0 kph at 315).
Bend 34 km E 1164.6m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 155).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	-1° C	Clear	Light winds from the SW (6 kph at 220).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 3 hours ago	1° C	-	Calm (3 kph at 262).
Bend 37 km SSE 1297m alt. 59 minutes ago	-3° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 310).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	-1° C	-	Calm (0 kph at 3).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	-1° C	-	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	6° C	Dry	Light winds from the NE (6 kph at 44).

* 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.