– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Fri 02 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Fri 02 Jan Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -2°C on Fri afternoon, min -11°C on Sun afternoon). Winds increasing (fresh winds from the SW on Fri morning, extremely windy from the SSW by Sat night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Tue night. Temperatures will be well below freezing (max -9°C on Mon night, min -17°C on Wed afternoon). Winds increasing (strong winds from the SW on Mon afternoon, stormy winds from the W by Tue night).
	Friday 2			Saturday 3			Sunday 4			Monday 5			Tuesday 6			Wednesday 7
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	cloudy	light snow	some clouds	cloudy	mod. snow	light snow	light snow	mod. snow	light snow	light snow	light snow	snow shwrs	snow shwrs	snow shwrs	light snow	snow shwrs	heavy snow
km/h	SW	S	SSW	SSW	SSW	SW	SW	SW	WSW	WSW	SW	WSW	W	WSW	W	W	WNW	WNW
See all weather maps
cm	—	—	1	—	—	7	5	1	10	4	2	3	3	4	15	4	7	13
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-2	-3	-7	-8	-8	-9	-11	-10	-11	-10	-9	-10	-10	-11	-15	-16	-17
min °C	-5	-3	-7	-7	-8	-9	-10	-11	-11	-11	-10	-10	-12	-11	-15	-16	-17	-17
chill °C	-14	-13	-18	-20	-21	-24	-22	-24	-24	-23	-21	-23	-26	-25	-29	-29	-31	-31

Freezing level m	2350	2800	2300	2000	2000	1850	1700	1550	1150	1450	1500	1300	1350	1250	1100	950	900	450
Cloud base (m)	1850	1850	2000	1800	1850	1850	1850	1800	2000	1850	1800	1800	1800	1850	1800	1800	1800	1800

	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—
	—	4:39	—	—	4:40	—	—	4:42	—	—	4:43	—	—	4:44	—	—	4:45	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -2°C on Fri afternoon, min -11°C on Sun afternoon). Winds increasing (fresh winds from the SW on Fri morning, extremely windy from the SSW by Sat night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Temperatures will be well below freezing (max -9°C on Mon night, min -17°C on Wed afternoon). Winds increasing (strong winds from the SW on Mon afternoon, stormy winds from the W by Tue 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 262).
Sisters wx 25 km NNE 1022m alt. 45 minutes ago	6° C	Dry	Calm (0 kph at —).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	11° C	Dry	Light winds from the SSW (8 kph at 198).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	7° C	-	Light winds from the SSW (15 kph at 210).	16 km Low: few Mid: few High: broken
Black Butte Ranch wx 36 km NW 1429m alt. 56 minutes ago	7° C	Dry	Calm (0 kph at 297).
Bend 37 km SSE 1297m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 58 minutes ago	9° C	Dry	Calm (0 kph at 155).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	3° C	Dry	Calm (0 kph at 111).
Deschutes River Woods wx 40 km ESE 1185m alt. 45 minutes ago	9° C	Dry	Calm (2 kph at 190).

* 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.