– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Mon 13 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Mon 13 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 -4°C on Mon night, min -17°C on Wed night). Winds increasing (fresh winds from the NW on Mon night, stormy winds from the WSW by Wed morning).									Days 4–6 Weather Summary A dusting of new snow. Temperatures will be below freezing (max -2°C on Sat night, min -16°C on Thu morning). Winds decreasing (gales from the NNW on Thu morning, light winds from the W by Fri afternoon).
	Monday 13			Tuesday 14			Wednesday 15			Thursday 16			Friday 17			Saturday 18
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	snow shwrs	some clouds	some clouds	some clouds	heavy snow	heavy snow	mod. snow	heavy snow	snow shwrs	snow shwrs	clear	some clouds	cloudy	some clouds	clear	clear	some clouds
km/h	W	NW	WNW	W	WSW	WSW	W	W	WNW	NW	NNW	NNW	NW	W	WSW	WSW	SSE	S
See all weather maps
cm	2	1	—	—	—	12	18	6	11	2	1	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-8	-6	-4	-4	-6	-8	-9	-16	-17	-15	-13	-8	-8	-7	-6	-5	-3	-2
min °C	-9	-8	-5	-5	-7	-9	-13	-16	-17	-16	-14	-11	-8	-8	-6	-6	-4	-2
chill °C	-20	-19	-14	-16	-20	-23	-28	-32	-32	-32	-27	-23	-17	-13	-12	-12	-10	-9

Freezing level m	1650	1600	1100	2100	1750	1400	1400	1000	600	1100	1300	1000	1550	1800	1350	2400	2750	2700
Cloud base (m)	1800	1800	1800	1800	1900	1800	1800	1800	1800	1800	1800	1800	1800	1850	2150	2050	2000	5400

	6:26	—	—	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 -4°C on Mon night, min -17°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 -2°C on Sat night, min -16°C on Thu morning). Winds decreasing (gales from the NNW on Thu morning, light winds from the W by Fri afternoon).

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	10° C	Dry	Calm (5 kph at 287).
Bend 34 km E 1164.6m alt. 2 hours ago	11° C	Dry	Calm (3 kph at 359).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	8° C	Dry and cloudy.	Moderate winds from the SW (28 kph at 230).	14 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	2° C	-	Wind obs. (6 kph from 314 degs) was rejected.
Bend 37 km SSE 1297m alt. 39 minutes ago	7° C	Dry	Wind obs. (10 kph from 315 degs) was rejected.
Bend 37 km ESE 1158m alt. 1 hour ago	12° C	Dry	Wind obs. (8 kph from 326 degs) was rejected.
Bend wx 39 km E 1118m alt. 2 hours ago	11° C	Dry	Calm (5 kph at 344).
Deschutes River Woods wx 40 km ESE 1185m alt. 49 minutes ago	11° C	Dry	Light winds from the W (10 kph at 281).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	1° C	-	Light winds from the SSW (11 kph at 212).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	13° C	Dry	Calm (5 kph at 208).

* 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.