– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Tue 31 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Tue 31 Mar 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 afternoon. Temperatures will be below freezing (max -3°C on Fri morning, min -16°C on Wed night). Winds decreasing (severe gales from the SW on Wed afternoon, light winds from the NW by Fri morning).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Sun morning, min -3°C on Fri afternoon). Wind will be generally light.
	Tue 31		Wednesday 1			Thursday 2			Friday 3			Saturday 4			Sunday 5
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	mod. snow	light snow	heavy snow	heavy snow	snow shwrs	snow shwrs	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds
km/h	WSW	SW	SW	WSW	WSW	WNW	NNW	NW	NW	W	WSW	SSE	S	WNW	SE	SE	S
See all weather maps
cm	3	7	5	11	21	7	2	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-7	-8	-9	-8	-14	-14	-10	-4	-3	-3	-2	-1	-1	0	1	0	1
min °C	-7	-9	-9	-12	-16	-15	-13	-6	-4	-3	-3	-1	-1	0	0	0	0
chill °C	-18	-22	-22	-25	-32	-30	-27	-15	-11	-8	-7	-1	-5	-4	-2	-3	-6

Freezing level m	2100	1850	1850	1500	850	1100	1400	900	2350	2700	2200	3000	3100	3200	3300	3200	3250
Cloud base (m)	1800	1800	1800	1800	1800	1850	1850	1800	1800	2000							7800

	—	—	6:48	—	—	6:47	—	—	6:45	—	—	6:43	—	—	6:41	—	—
	7:31	—	—	7:32	—	—	7:35	—	—	7:36	—	—	7:37	—	—	7:37	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be below freezing (max -3°C on Fri morning, min -16°C on Wed night). Winds decreasing (severe gales from the SW on Wed afternoon, light winds from the NW by Fri morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 1°C on Sun morning, min -3°C on Fri afternoon). Wind will be generally light.

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	6° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1164.6m alt. 29 minutes ago	7° C	Dry	Calm (0 kph at 223).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	5° C	Dry and cloudy.	Light winds from the SW (9 kph at 230).	16 km Low: broken Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	2° C	-	Wind obs. (6 kph from 302 degs) was rejected.
Bend 37 km SSE 1297m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 270).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	6° C	Dry	Calm (2 kph at 218).
Rainbow wx 41 km WSW 410m alt. 33 minutes ago	3° C	Dry	Wind obs. (8 kph from 178 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 34 minutes ago	6° C	Dry	Calm (0 kph at 38).
La Pine 43 km SSE 1298m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 86).

* 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.