– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Wed 11 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 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 0°C on Wed night, min -4°C on Wed morning). Winds decreasing (stormy winds from the W on Wed night, near gales from the W by Fri night).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 8°C on Mon afternoon, min -5°C on Sat night). Winds decreasing (gales from the W on Sat morning, moderate 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	cloudy	light snow	cloudy	cloudy	cloudy	cloudy	heavy snow	snow shwrs	clear	clear	clear	cloudy	some clouds	some clouds	clear	clear
km/h	W	W	W	W	W	W	W	W	W	WNW	WNW	NW	NW	WNW	WNW	NW	WNW	WSW
See all weather maps
cm	3	2	—	2	—	—	—	—	19	2	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-1	0	-2	-1	0	0	0	0	-3	-3	-4	1	2	3	6	8	6
min °C	-4	-2	-1	-2	-1	-1	0	0	-3	-4	-4	-5	-2	1	2	3	7	6
chill °C	-14	-12	-12	-13	-11	-11	-10	-9	-13	-15	-14	-15	-10	-7	-5	-4	2	2

Freezing level m	1800	2150	2350	2050	2300	2400	2600	2550	2150	1250	1350	900	2750	2800	3450	3750	4000	4000
Cloud base (m)	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	1850	1800	3150	2400		3650

	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 0°C on Wed night, min -4°C on Wed morning). Winds decreasing (stormy winds from the W on Wed night, near gales from the W by Fri night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 8°C on Mon afternoon, min -5°C on Sat night). Winds decreasing (gales from the W on Sat morning, moderate winds from the WSW by Mon night).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 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	11° C	Dry	Wind obs. (6 kph from 301 degs) was rejected.
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 35 minutes ago	11° C	Dry	Light winds from the SW (16 kph at 218).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	9° C	Dry and cloudy.	Moderate winds from the SW (24 kph at 220).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	2° C	-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 38 minutes ago	10° C	Dry	Light winds from the W (11 kph at 263).
Bend 37 km ESE 1158m alt. 1 hour ago	12° C	Dry	Calm (2 kph at 228).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 38).
Deschutes River Woods wx 40 km ESE 1185m alt. 54 minutes ago	11° C	Dry	Light winds from the WSW (11 kph at 256).
Rainbow wx 41 km WSW 410m alt. 54 minutes ago	3° C	Dry	Moderate winds from the SSE (23 kph at 161).

* 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.