– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Wed 15 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Wed 15 Apr 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 Wed morning. Temperatures will be below freezing (max -3°C on Fri night, min -17°C on Wed night). Winds decreasing (extremely windy from the WSW on Wed morning, light winds from the WSW by Fri afternoon).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Sun night, min -3°C on Sat morning). Winds increasing (light winds from the WSW on Sat morning, near gales from the S by Sun night).
	Wednesday 15			Thursday 16			Friday 17			Saturday 18			Sunday 19			Monday 20
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy snow	snow shwrs	heavy snow	snow shwrs	clear	clear	clear	cloudy	some clouds	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds	cloudy	cloudy	some clouds
km/h	W	W	WNW	NW	NNW	NNW	NNW	WSW	SW	SW	SSE	S	S	SE	S	SSE	SSE	SE
See all weather maps
cm	21	7	23	4	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-9	-14	-17	-16	-12	-8	-6	-4	-3	-3	-2	-1	-2	-3	1	0	1	1
min °C	-13	-15	-17	-17	-15	-10	-7	-4	-3	-3	-3	-1	-3	-3	-1	0	0	0
chill °C	-29	-31	-34	-33	-26	-19	-15	-8	-9	-9	-10	-8	-10	-10	-8	-8	-7	-7

Freezing level m	1250	1100	650	1050	1300	700	1900	2500	1850	2700	2850	2900	2650	2800	3250	3200	3250	3300
Cloud base (m)	1800	1800	1800	1800	1900	1800	7950	1850	5250		1800	4700	3000	2850	6450	5000		4400

	6:24	—	—	6:22	—	—	6:20	—	—	6:18	—	—	6:16	—	—	6:15	—	—
	—	7:50	—	—	7:52	—	—	7:52	—	—	7:53	—	—	7:54	—	—	7:55	—

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 below freezing (max -3°C on Fri night, min -17°C on Wed night). Winds decreasing (extremely windy from the WSW on Wed morning, light winds from the WSW by Fri afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 1°C on Sun night, min -3°C on Sat morning). Winds increasing (light winds from the WSW on Sat morning, near gales from the S by Sun 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	0° C	-	Calm (2 kph at 278).
Bend 34 km E 1164.6m alt. 1 hour ago	8° C	Dry	Light winds from the NW (10 kph at 320).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	4° C	Dry and partly cloudy.	Fresh winds from the WSW (30 kph at 240).	16 km Low: broken Mid: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	-2° C	-	Light winds from the WNW (11 kph at 297).
Bend 37 km SSE 1297m alt. 2 hours ago	2° C	-	Light winds from the WSW (11 kph at 247).
Bend 37 km ESE 1158m alt. 1 hour ago	7° C	Dry	Calm (2 kph at 231).
Bend wx 39 km E 1118m alt. 39 minutes ago	6° C	Dry	Light winds from the WSW (16 kph at 244).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	5° C	Dry	Light winds from the W (13 kph at 270).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	-2° C	-	Light winds from the WSW (18 kph at 242).
Cloverdale wx 42 km NE 947m alt. 49 minutes ago	5° C	Dry	Calm (5 kph at 156).

* 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.