– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Wed 11 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Wed 11 Mar 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 Fri night. Temperatures will be below freezing (max -2°C on Thu night, min -7°C on Wed morning). Winds increasing (stormy winds from the W on Wed morning, extremely windy from the W by Wed night).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 5°C on Mon afternoon, min -6°C on Sat morning). Winds decreasing (stormy winds from the WNW on Sat morning, fresh winds from the WSW by Mon night).
	Wednesday 11			Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	clear	light snow	light snow	snow shwrs	clear	snow shwrs	heavy snow	snow shwrs	clear	some clouds	some clouds	some clouds	some clouds	some clouds	clear	clear
km/h	W	W	W	W	W	W	W	W	W	WNW	NW	NW	NW	WNW	WNW	NW	W	W
See all weather maps
cm	3	3	—	3	2	4	—	1	24	1	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	-3	-3	-5	-5	-2	-2	-2	-3	-6	-5	-3	-1	0	2	3	5	5
min °C	-7	-4	-3	-5	-5	-5	-3	-2	-6	-6	-6	-5	-2	-1	1	3	4	4
chill °C	-20	-17	-16	-19	-18	-18	-15	-14	-19	-19	-18	-16	-11	-10	-8	-5	-2	-2

Freezing level m	1800	2200	2300	2100	2250	2400	2450	2550	2050	1300	1450	1000	2900	3200	3650	3750	4000	4000
Cloud base (m)	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	8400	6800	3350	2800	9400	3600

	7:26	—	—	7:24	—	—	7:22	—	—	7:20	—	—	7:18	—	—	7:18	—	—
	—	7:07	—	—	7:08	—	—	7:09	—	—	7:10	—	—	7:12	—	—	7:14	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -2°C on Thu night, min -7°C on Wed morning). Winds increasing (stormy winds from the W on Wed morning, extremely windy from the W by Wed night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 5°C on Mon afternoon, min -6°C on Sat morning). Winds decreasing (stormy winds from the WNW on Sat morning, fresh winds from the WSW by Mon 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	3° C	Dry	Calm (3 kph at 340).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	2° C	Light rain .	Moderate winds from the S (28 kph at 180).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	1° C	-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	2° C	-	Calm (2 kph at 194).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (2 kph at 157).
Bend wx 39 km E 1118m alt. 3 hours ago	3° C	Dry	Light winds from the SSW (18 kph at 208).
Camp Sherman 39 km NNE 920.5m alt. 57 minutes ago	3° C	Dry	Calm (0 kph at 8).
Deschutes River Woods wx 40 km ESE 1185m alt. 48 minutes ago	4° C	Dry	Calm (0 kph at —).
Bend 40 km E 1102m alt. 3 hours ago		-	Light winds from the SW (14 kph at 219).

* 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.