– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Mon 13 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Mon 13 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 below freezing (max -3°C on Mon night, min -18°C on Wed night). Winds increasing (fresh winds from the NW on Mon night, stormy winds from the WSW by Wed morning).											Days 5–7 Weather Summary A dusting of new snow. Temperatures will be below freezing (max -3°C on Sat night, min -14°C on Thu afternoon). Winds increasing (light winds from the WNW on Fri afternoon, severe gales from the SSW by Sun morning).
	Mon 13		Tuesday 14			Wednesday 15			Thursday 16			Friday 17			Saturday 18
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	some clouds	some clouds	snow shwrs	heavy snow	heavy snow	snow shwrs	heavy snow	clear	clear	clear	clear	some clouds	cloudy	some clouds	some clouds	some clouds
km/h	WNW	NW	W	WSW	W	W	W	WNW	NNW	NNW	NNW	NNW	SW	WSW	WSW	SSW	SSW
See all weather maps
cm	1	—	—	1	12	19	5	11	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-7	-3	-4	-7	-7	-10	-15	-17	-15	-13	-8	-8	-7	-7	-7	-4	-3
min °C	-9	-5	-5	-7	-9	-13	-16	-18	-16	-14	-11	-9	-8	-8	-8	-5	-5
chill °C	-20	-14	-16	-19	-23	-28	-32	-32	-31	-27	-22	-18	-12	-16	-16	-12	-16

Freezing level m	1600	1200	2050	1700	1400	1250	1100	600	1050	1350	900	1600	1850	1400	2200	2550	2400
Cloud base (m)	1800	1800	6000	2050	1800	1800	1850	1800	1800	1850	1800	1800	1850	2900	2800	2550	3200

	—	—	6:24	—	—	6:24	—	—	6:22	—	—	6:20	—	—	6:18	—	—
	7:47	—	—	7:49	—	—	7:50	—	—	7:52	—	—	7:52	—	—	7:53	—

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 Mon night, min -18°C on Wed night). Winds increasing (fresh winds from the NW on Mon night, stormy winds from the WSW by Wed morning).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max -3°C on Sat night, min -14°C on Thu afternoon). Winds increasing (light winds from the WNW on Fri afternoon, severe gales from the SSW 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. 2 hours ago	8° C	Dry	Calm (3 kph at 292).
Bend 34 km E 1164.6m alt. 57 minutes ago	11° C	Dry	Wind obs. (8 kph from 209 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	7° C	Dry and partly cloudy.	Moderate winds from the WSW (22 kph at 240).	16 km Low: broken Mid: broken
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	2° C	-	Light winds from the W (10 kph at 277).
Bend 37 km SSE 1297m alt. 56 minutes ago	7° C	Dry	Light winds from the WNW (6 kph at 296).
Bend 37 km ESE 1158m alt. 2 hours ago	12° C	Dry	Calm (2 kph at 214).
Bend wx 39 km E 1118m alt. 2 hours ago	12° C	Dry	Wind obs. (10 kph from 197 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	10° C	Dry	Light winds from the SW (6 kph at 235).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	2° C	-	Moderate winds from the WSW (21 kph at 257).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	10° C	Dry	Calm (5 kph at 163).

* 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.