– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Tue 21 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Tue 21 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max 0°C on Wed night, min -10°C on Tue night). Winds decreasing (stormy winds from the W on Wed afternoon, light winds from the NW by Thu night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Sat afternoon. Temperatures will be below freezing (max -2°C on Fri morning, min -10°C on Sat night). Wind will be generally light.
	Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light snow	snow shwrs	light snow	light snow	clear	clear	clear	clear	clear	clear	clear	clear	snow shwrs	some clouds	some clouds	light snow	light snow
km/h	SSE	WSW	W	W	WNW	NW	NNW	NNW	NW	NNW	NW	WNW	WNW	WNW	NW	WNW	NNW	SSE
See all weather maps
cm	—	1	4	5	4	—	—	—	—	—	—	—	—	4	—	—	5	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-6	-7	-10	-7	0	0	-2	-2	-2	-3	-3	-6	-6	-7	-10	-8	-8
min °C	-6	-7	-10	-10	-9	-4	-1	-2	-3	-2	-4	-5	-7	-7	-10	-10	-8	-9
chill °C	-16	-15	-24	-24	-23	-16	-10	-10	-10	-6	-4	-11	-12	-14	-15	-14	-11	-12

Freezing level m	2350	2050	1650	1500	1650	1250	2650	2800	1750	2850	2800	2300	2350	2150	1650	2050	2100	1750
Cloud base (m)	1900	1850	1800	1800	1800	1800	1800	1950			3100		2500	2600	2350	2550	2050	2500

	6:13	—	—	6:11	—	—	6:11	—	—	6:09	—	—	6:07	—	—	6:05	—	—
	—	7:58	—	—	7:59	—	—	—	8:00	—	—	8:00	—	—	8:01	—	—	8:04

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max 0°C on Wed night, min -10°C on Tue night). Winds decreasing (stormy winds from the W on Wed afternoon, light winds from the NW by Thu night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sat afternoon. Temperatures will be below freezing (max -2°C on Fri morning, min -10°C on Sat night). Wind will be generally light.

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. 41 minutes ago	11° C	Dry	Calm (2 kph at 357).
Bend 34 km E 1164.6m alt. 32 minutes ago	11° C	Dry	Wind obs. (10 kph from 257 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	8° C	Dry and partly cloudy.	Light winds from the SW (9 kph at 220).	13 km Low: few Mid: scattered High: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	5° C	Dry	Wind obs. (6 kph from 326 degs) was rejected.
Bend 37 km SSE 1297m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 190).
Bend 37 km ESE 1158m alt. 40 minutes ago	11° C	Dry	Calm (0 kph at 211).
Deschutes River Woods wx 40 km ESE 1185m alt. 27 minutes ago	10° C	Dry	Calm (2 kph at 216).
Rainbow wx 41 km WSW 410m alt. 47 minutes ago	3° C	Dry	Light winds from the SW (19 kph at 232).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	15° C	Dry	Calm (3 kph at 162).
La Pine 43 km SSE 1298m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 151).

* 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.