– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sun 12 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sun 12 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 -2°C on Tue morning, min -10°C on Wed morning). Winds increasing (light winds from the NW on Mon night, gales from the WSW by Wed morning).											Days 5–7 Weather Summary A moderate fall of snow, heaviest on Wed afternoon. Temperatures will be below freezing (max -1°C on Fri afternoon, min -13°C on Wed night). Winds decreasing (strong winds from the WNW on Wed afternoon, calm by Fri afternoon).
	Sun 12		Monday 13			Tuesday 14			Wednesday 15			Thursday 16			Friday 17
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	light snow	snow shwrs	some clouds	some clouds	cloudy	mod. snow	heavy snow	light snow	snow shwrs	snow shwrs	some clouds	some clouds	clear	some clouds	some clouds
km/h	W	WNW	W	NW	WNW	W	WSW	WSW	W	W	WNW	NNW	NW	NW	NNW	SW	WSW
See all weather maps
cm	2	4	2	1	—	—	—	10	14	4	8	2	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-4	-4	-6	-5	-3	-2	-2	-4	-6	-11	-12	-10	-7	-7	-3	-1	-2
min °C	-4	-5	-6	-6	-4	-4	-3	-5	-10	-11	-13	-11	-8	-8	-6	-1	-2
chill °C	-10	-14	-15	-14	-10	-12	-13	-16	-22	-23	-25	-23	-17	-17	-12	-3	-7

Freezing level m	2000	1700	1600	1650	1100	1950	1850	1450	1150	1050	650	1100	1350	850	1750	2250	1800
Cloud base (m)	1850	1800	1800	1800	1800	1800	2000	1800	1800	1950	1800	1850	1800	1800	1800	1850	1800

	—	—	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 Wed morning. Temperatures will be below freezing (max -2°C on Tue morning, min -10°C on Wed morning). Winds increasing (light winds from the NW on Mon night, gales from the WSW by Wed morning).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Wed afternoon. Temperatures will be below freezing (max -1°C on Fri afternoon, min -13°C on Wed night). Winds decreasing (strong winds from the WNW on Wed afternoon, 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. 39 minutes ago	6° C	Dry	Calm (3 kph at 60).
Bend 34 km E 1164.6m alt. 1 hour ago	7° C	Dry	Calm (5 kph at 215).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	5° C	Dry and cloudy.	Light winds from the WSW (11 kph at 240).	16 km Low: scattered Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 42 minutes ago	2° C	-	Calm (5 kph at 256).
Bend 37 km SSE 1297m alt. 1 hour ago	4° C	Dry	Calm (5 kph at 135).
Bend 37 km ESE 1158m alt. 38 minutes ago	7° C	Dry	Calm (0 kph at 182).
Deschutes River Woods wx 40 km ESE 1185m alt. 25 minutes ago	6° C	Dry	Calm (3 kph at 226).
Rainbow wx 41 km WSW 410m alt. 27 minutes ago	3° C	Dry	Light winds from the W (19 kph at 269).
Cloverdale wx 42 km NE 947m alt. 33 minutes ago	8° C	Dry	Calm (5 kph at 112).
La Pine 43 km SSE 1298m alt. 2 hours ago	5° C	Dry	Calm (2 kph at 249).

* 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.