– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Fri 22 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Fri 22 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Mild temperatures (max 5°C on Sat afternoon, min 1°C on Fri morning). Winds increasing (calm on Fri afternoon, gales from the SW by Sun night).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 4°C on Wed night, min -11°C on Mon night). Winds decreasing (stormy winds from the SW on Mon night, light winds from the NW by Tue morning).
	Friday 22			Saturday 23			Sunday 24			Monday 25			Tuesday 26			Wednesday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	snow shwrs	some clouds	light snow	some clouds	some clouds	some clouds	clear
km/h	W	W	WSW	WNW	WSW	W	WSW	WSW	SW	SSW	SW	WSW	NW	NNW	N	NE	NE	ENE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	3	—	2	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	3	4	3	5	5	3	4	5	2	0	-5	-9	-8	-5	-4	0	4
min °C	1	3	3	3	4	3	3	3	3	1	-1	-11	-9	-9	-8	-5	-2	2
chill °C	-2	3	-1	-2	2	-2	-2	-2	-5	-7	-11	-20	-16	-16	-16	-14	-9	-4

Freezing level m	3350	3650	3600	3650	3850	3750	3600	3750	3750	3350	3050	1600	2000	2050	1850	2450	3100	3750
Cloud base (m)			8750	8550	9500	8600		9500	3900	3200	2400	1800	1850	1950	1800	1850	1900	1800

	5:33	—	—	5:33	—	—	5:31	—	—	5:31	—	—	5:30	—	—	5:30	—	—
	—	—	8:32	—	—	8:34	—	—	8:35	—	—	8:36	—	—	8:37	—	—	8:37

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Mild temperatures (max 5°C on Sat afternoon, min 1°C on Fri morning). Winds increasing (calm on Fri afternoon, gales from the SW by Sun night).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 4°C on Wed night, min -11°C on Mon night). Winds decreasing (stormy winds from the SW on Mon night, light winds from the NW by Tue morning).

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	24° C	Dry	Calm (3 kph at 96).
Bend 34 km E 1147m alt. 1 hour ago	23° C	Dry	Calm (3 kph at 143).
Bend 34 km E 1164.6m alt. 1 hour ago	24° C	Dry	Calm (3 kph at 284).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	21° C	Clear	Wind obs. (9 kph from 320 degs) was rejected.	13 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	20° C	Dry	Wind obs. (6 kph from 305 degs) was rejected.
Bend 37 km SSE 1297m alt. 53 minutes ago	23° C	Dry	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	26° C	Dry	Calm (0 kph at 159).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	29° C	Dry	Calm (3 kph at 182).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	22° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	17° C	Dry	Light winds from the WSW (19 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.