– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Sun 12 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sun 12 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 Tue night. Temperatures will be below freezing (max -2°C on Tue morning, min -7°C on Mon morning). Winds increasing (calm on Sun morning, gales from the WSW by Tue night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -1°C on Fri afternoon, min -13°C on Wed night). Winds decreasing (near gales from the WSW on Wed morning, calm by Fri afternoon).
	Sunday 12			Monday 13			Tuesday 14			Wednesday 15			Thursday 16			Friday 17
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	light snow	light snow	snow shwrs	some clouds	some clouds	cloudy	mod. snow	heavy snow	snow shwrs	mod. snow	snow shwrs	some clouds	some clouds	clear	clear	some clouds
km/h	W	W	WNW	W	NNW	WNW	W	WSW	W	W	W	WNW	NNW	NNW	NNW	N	SW	WSW
See all weather maps
cm	2	3	4	2	1	—	—	—	10	12	2	6	1	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-4	-4	-4	-5	-4	-3	-2	-2	-4	-7	-10	-12	-10	-7	-7	-3	-1	-2
min °C	-4	-4	-5	-7	-6	-4	-4	-3	-5	-9	-11	-13	-11	-8	-7	-6	-1	-2
chill °C	-4	-10	-15	-17	-15	-12	-12	-13	-16	-20	-23	-24	-22	-17	-15	-12	-1	-7

Freezing level m	1900	1900	1700	1500	1600	1150	2000	1850	1400	1250	1100	400	1100	1350	950	1950	2350	1700
Cloud base (m)	1800	1850	1800	1800	1800	1800	1800	2050	1800	1800	1900	1800	1800	1800	1800	1800	2100	1800

	6:28	—	—	6:26	—	—	6:24	—	—	6:24	—	—	6:22	—	—	6:20	—	—
	—	7:46	—	—	7:47	—	—	7:49	—	—	7:50	—	—	7:52	—	—	7:52	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -2°C on Tue morning, min -7°C on Mon morning). Winds increasing (calm on Sun morning, gales from the WSW by Tue night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -1°C on Fri afternoon, min -13°C on Wed night). Winds decreasing (near gales from the WSW on Wed morning, calm by Fri afternoon).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 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. 48 minutes ago	9° C	Dry	Calm (0 kph at 246).
Bend 34 km E 1164.6m alt. 2 hours ago	8° C	Dry	Wind obs. (6 kph from 209 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	6° C	Dry and cloudy.	Light winds from the S (17 kph at 190).	16 km Low: broken Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	4° C	Dry	Calm (3 kph at 270).
Bend 37 km SSE 1297m alt. 1 hour ago	5° C	Dry	Calm (2 kph at 105).
Bend 37 km ESE 1158m alt. 47 minutes ago	9° C	Dry	Calm (2 kph at 186).
Bend wx 39 km E 1118m alt. 2 hours ago	7° C	Dry	Light winds from the SW (10 kph at 216).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	7° C	Dry	Calm (5 kph at 235).
Rainbow wx 41 km WSW 410m alt. 36 minutes ago	3° C	Dry	Calm (5 kph at 152).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	8° C	Dry	Calm (0 kph at 79).

* 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.