– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Mon 20 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Mon 20 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 Wed morning. Temperatures will be below freezing (max 0°C on Mon morning, min -10°C on Wed morning). Winds increasing (light winds from the WSW on Tue afternoon, stormy winds from the WNW by Wed afternoon).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Sat afternoon. Temperatures will be below freezing (max -1°C on Thu morning, min -7°C on Fri night). Winds decreasing (strong winds from the N on Thu morning, light winds from the NNW by Fri afternoon).
	Monday 20			Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	cloudy	light snow	light snow	cloudy	light snow	light snow	light snow	some clouds	clear	clear	clear	clear	some clouds	clear	clear	light snow	snow shwrs
km/h	SSE	S	S	S	WSW	WNW	WNW	WNW	NW	N	N	N	NNE	WNW	NW	N	WNW	NW
See all weather maps
cm	—	—	1	1	—	2	5	1	—	—	—	—	—	—	—	—	3	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	0	-1	-2	-5	-6	-6	-8	-6	-2	-1	-2	-2	-6	-5	-5	-7	-6	-6
min °C	-2	-2	-4	-6	-6	-8	-10	-7	-5	-2	-3	-5	-6	-5	-7	-7	-7	-7
chill °C	-11	-10	-12	-14	-13	-20	-24	-20	-16	-10	-11	-11	-12	-8	-14	-14	-15	-14

Freezing level m	2900	2900	2650	2300	2150	1700	1600	1750	1400	2450	2800	2000	2400	2600	2100	2400	2250	2000
Cloud base (m)	5000	3250	1800	1900	1800	1800	1800	1800	1800	1800	1950		1800	3350	2850	2700	2750	5300

	6:15	—	—	6:13	—	—	6:11	—	—	6:11	—	—	6:09	—	—	6:07	—	—
	—	7:55	—	—	7:58	—	—	7:59	—	—	—	8:00	—	—	8:00	—	—	8:01

South Sister Volcano Weather (Days 0-3):

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

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Sat afternoon. Temperatures will be below freezing (max -1°C on Thu morning, min -7°C on Fri night). Winds decreasing (strong winds from the N on Thu morning, light winds from the NNW 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	18° C	Dry	Calm (3 kph at 187).
Bend 34 km E 1164.6m alt. 1 hour ago	19° C	Dry	Light winds from the SW (14 kph at 221).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	17° C	Dry and partly cloudy.	Moderate winds from the SW (22 kph at 220).	16 km Low: few Mid: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	11° C	Dry	Calm (5 kph at 284).
Bend 37 km SSE 1297m alt. 3 hours ago	18° C	Dry	Calm (5 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	19° C	Dry	Calm (3 kph at 168).
Deschutes River Woods wx 40 km ESE 1185m alt. 44 minutes ago	18° C	Dry	Light winds from the SW (6 kph at 221).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	10° C	Dry	Light winds from the NNE (6 kph at 28).
Cloverdale wx 42 km NE 947m alt. 38 minutes ago	21° C	Dry	Calm (0 kph at 17).
La Pine 43 km SSE 1298m alt. 2 hours ago	17° C	Dry	Calm (0 kph at 257).

* 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.