– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Sun 29 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sun 29 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A light covering of new snow mostly falling on Tue morning. Temperatures will be below freezing (max -1°C on Sun morning, min -6°C on Tue night). Winds decreasing (gales from the WSW on Sun afternoon, light winds from the W by Mon afternoon).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Thu morning. Freeze-thaw conditions (max 1°C on Fri afternoon, min -11°C on Wed night). Winds decreasing (gales from the SW on Wed morning, calm by Fri afternoon).
	Sunday 29			Monday 30			Tuesday 31			Wednesday 1			Thursday 2			Friday 3
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	cloudy	cloudy	some clouds	snow shwrs	light snow	cloudy	light snow	mod. snow	heavy snow	heavy snow	heavy snow	snow shwrs	snow shwrs	clear	clear	clear
km/h	WSW	WSW	WSW	WNW	SW	SW	WSW	WSW	SW	SW	WSW	WSW	WNW	WNW	WNW	N	N	NW
See all weather maps
cm	—	—	—	—	—	1	3	—	2	7	11	16	13	2	1	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-1	-2	-4	-3	-4	-5	-5	-4	-4	-4	-8	-10	-8	-6	-1	1	0
min °C	-2	-1	-4	-5	-3	-5	-5	-5	-6	-4	-5	-11	-11	-8	-6	-3	1	-1
chill °C	-12	-10	-14	-14	-6	-12	-12	-13	-15	-15	-14	-23	-23	-18	-14	-6	0	-1

Freezing level m	2300	2300	1550	1850	2200	1650	1750	1850	1750	1850	1700	900	1100	1350	550	2350	2700	2200
Cloud base (m)	2200	2350	1800	3750	7850	2000	1800	1800	1800	1800	1800	1800	1850	1850	1800	1800	1800

	6:54	—	—	6:52	—	—	6:50	—	—	6:48	—	—	6:47	—	—	6:45	—	—
	—	7:30	—	—	7:30	—	—	7:31	—	—	7:32	—	—	7:35	—	—	7:36	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Tue morning. Temperatures will be below freezing (max -1°C on Sun morning, min -6°C on Tue night). Winds decreasing (gales from the WSW on Sun afternoon, light winds from the W by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Thu morning. Freeze-thaw conditions (max 1°C on Fri afternoon, min -11°C on Wed night). Winds decreasing (gales from the SW 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. 35 minutes ago	11° C	Dry	Calm (5 kph at 293).
Bend 34 km E 1164.6m alt. 32 minutes ago	18° C	Dry	Light winds from the W (14 kph at 265).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	14° C	Clear	Moderate winds from the W (24 kph at 260).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 22 minutes ago	6° C	Dry	Calm (2 kph at 298).
Bend 37 km SSE 1297m alt. 1 hour ago	16° C	Dry	Wind obs. (11 kph from 300 degs) was rejected.
Bend 37 km ESE 1158m alt. 34 minutes ago	16° C	Dry	Calm (3 kph at 242).
Bend wx 39 km E 1118m alt. 3 hours ago	16° C	Dry	Light winds from the WSW (14 kph at 240).
Deschutes River Woods wx 40 km ESE 1185m alt. 22 minutes ago	14° C	Dry	Light winds from the WSW (6 kph at 258).
Rainbow wx 41 km WSW 410m alt. 56 minutes ago	6° C	Dry	Light winds from the SSW (10 kph at 202).
Cloverdale wx 42 km NE 947m alt. 23 minutes ago	14° C	Dry	Wind obs. (6 kph from 84 degs) was rejected.

* 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.