– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Tue 14 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Tue 14 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Wed morning. Temperatures will be well below freezing (max -6°C on Tue afternoon, min -17°C on Wed night). Winds decreasing (stormy winds from the W on Tue night, light winds from the NNW by Fri morning).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Sun afternoon, min -7°C on Fri afternoon). Winds increasing (light winds from the SW on Fri afternoon, strong winds from the S by Sun morning).
	Tue 14		Wednesday 15			Thursday 16			Friday 17			Saturday 18			Sunday 19
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	heavy snow	heavy snow	snow shwrs	heavy snow	snow shwrs	clear	clear	clear	clear	cloudy	some clouds	clear	some clouds	some clouds	some clouds	some clouds
km/h	WSW	W	W	W	WNW	NNW	NW	NNW	NNW	SW	WSW	SW	SSE	S	S	SSE	S
See all weather maps
cm	—	12	20	4	13	1	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-7	-10	-14	-17	-15	-13	-9	-8	-6	-4	-3	-3	-1	-1	1	1
min °C	-7	-8	-13	-15	-17	-16	-14	-11	-8	-7	-5	-4	-3	-2	-1	-1	0
chill °C	-21	-22	-29	-31	-33	-31	-26	-22	-16	-11	-11	-9	-9	-9	-8	-8	-7

Freezing level m	1800	1600	1250	1100	600	1000	1350	900	1750	2200	1750	2600	2800	2900	3050	3350	3250
Cloud base (m)	2000	1800	1800	1800	1800	1800	1850	1800	1800	2050	1800	1800		8100	5250	5550	4350

	—	—	6:24	—	—	6:22	—	—	6:20	—	—	6:18	—	—	6:16	—	—
	7:49	—	—	7:50	—	—	7:52	—	—	7:52	—	—	7:53	—	—	7:54	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Wed morning. Temperatures will be well below freezing (max -6°C on Tue afternoon, min -17°C on Wed night). Winds decreasing (stormy winds from the W on Tue night, light winds from the NNW by Fri morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 1°C on Sun afternoon, min -7°C on Fri afternoon). Winds increasing (light winds from the SW on Fri afternoon, strong winds from the S by Sun 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. 41 minutes ago	6° C	Dry	Calm (2 kph at 246).
Bend 34 km E 1164.6m alt. 53 minutes ago	7° C	Dry	Light winds from the WSW (13 kph at 257).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	5° C	Clear	Light winds from the WSW (19 kph at 240).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 26 minutes ago	0° C	-	Wind obs. (8 kph from 214 degs) was rejected.
Bend 37 km SSE 1297m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 40 minutes ago	6° C	Dry	Calm (2 kph at 231).
Bend wx 39 km E 1118m alt. 2 hours ago	7° C	Dry	Light winds from the SW (11 kph at 220).
Deschutes River Woods wx 40 km ESE 1185m alt. 26 minutes ago	5° C	Dry	Light winds from the WSW (6 kph at 238).
Rainbow wx 41 km WSW 410m alt. 32 minutes ago	1° C	-	Light winds from the SE (19 kph at 139).
Cloverdale wx 42 km NE 947m alt. 52 minutes ago	8° C	Dry	Calm (2 kph at 215).

* 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.