– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Thu 21 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Thu 21 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. Freeze-thaw conditions (max 5°C on Sat night, min 0°C on Thu morning). Winds increasing (calm on Thu afternoon, fresh winds from the W by Sat night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 5°C on Sun night, min -9°C on Mon night). Winds increasing (moderate winds from the WSW on Sun morning, stormy winds from the SW by Mon afternoon).
	Thursday 21			Friday 22			Saturday 23			Sunday 24			Monday 25			Tuesday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	some clouds	light snow	mod. snow	light snow	clear	some clouds
km/h	NE	WNW	WNW	W	SW	WSW	WSW	WSW	W	WSW	WSW	SW	SW	SW	W	NW	NW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	1	7	2	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	2	2	1	2	4	4	4	5	3	4	5	1	-2	-8	-8	-4	0
min °C	0	2	1	0	2	4	3	4	3	3	4	2	-1	-5	-9	-9	-6	-3
chill °C	-2	2	-4	-2	1	1	-1	0	-3	-3	-1	-7	-10	-18	-21	-20	-14	-11

Freezing level m	3150	3500	3400	3250	3500	3750	3650	3750	3750	3600	3750	3700	3000	2150	1750	1950	2500	3100
Cloud base (m)		3700				9350		7000	8850	8800	9250	8750	5900	1950	1800	1850	1900	1800

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

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 5°C on Sat night, min 0°C on Thu morning). Winds increasing (calm on Thu afternoon, fresh winds from the W by Sat night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 5°C on Sun night, min -9°C on Mon night). Winds increasing (moderate winds from the WSW on Sun morning, stormy winds from the SW by Mon 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	23° C	Dry	Calm (3 kph at 65).
Bend 34 km E 1147m alt. 3 hours ago	21° C	Dry	Wind obs. (6 kph from 76 degs) was rejected.
Bend 34 km E 1164.6m alt. 1 hour ago	24° C	Dry	Wind obs. (6 kph from 321 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	20° C	Clear	Light winds from the NNE.(Wind varies from 010 to 070 degs) (13 kph at 30).	13 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	17° C	Dry	Calm (3 kph at 120).
Bend 37 km SSE 1297m alt. 2 hours ago	21° C	Dry	Calm (3 kph at 323).
Bend 37 km ESE 1158m alt. 1 hour ago	23° C	Dry	Calm (3 kph at 302).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	24° C	Dry	Calm (5 kph at 57).
Deschutes River Woods wx 40 km ESE 1185m alt. 57 minutes ago	21° C	Dry	Light winds from the NNE (6 kph at 19).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	23° C	Dry	Light winds from the NNW (11 kph at 329).

* 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.