– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Mon 30 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Mon 30 Mar 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 Wed afternoon. Temperatures will be well below freezing (max -6°C on Mon afternoon, min -16°C on Wed night). Winds increasing (strong winds from the WSW on Mon afternoon, stormy winds from the SW by Wed morning).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Thu morning. Temperatures will be below freezing (max -1°C on Sat night, min -16°C on Thu morning). Winds decreasing (gales from the NW on Thu afternoon, light winds from the NW by Sat afternoon).
	Monday 30			Tuesday 31			Wednesday 1			Thursday 2			Friday 3			Saturday 4
	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	light snow	mod. snow	mod. snow	heavy snow	heavy snow	mod. snow	snow shwrs	clear	clear	clear	clear	clear	clear	clear
km/h	W	WSW	WSW	WSW	WSW	SW	SW	WSW	WSW	WNW	NW	NNW	N	NW	WNW	NNW	WNW	NNW
See all weather maps
cm	3	2	2	3	3	6	9	18	20	8	3	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-7	-6	-6	-8	-8	-8	-8	-10	-14	-15	-12	-6	-4	-3	-3	-2	-2	-1
min °C	-8	-7	-8	-8	-8	-9	-8	-11	-16	-16	-13	-9	-5	-4	-3	-3	-2	-2
chill °C	-20	-17	-19	-19	-20	-22	-20	-22	-32	-31	-26	-21	-13	-11	-9	-9	-5	-7

Freezing level m	1800	2000	1750	1900	1850	1750	1850	1550	900	1150	1200	1000	2000	2450	1650	2800	2800	2950
Cloud base (m)	1850	1800	1800	1800	1800	1800	1800	1800	1800	1850	1850	1800	1800	1800		1800	1800

	6:52	—	—	6:50	—	—	6:48	—	—	6:47	—	—	6:45	—	—	6:43	—	—
	—	7:30	—	—	7:31	—	—	7:32	—	—	7:35	—	—	7:36	—	—	7:37	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be well below freezing (max -6°C on Mon afternoon, min -16°C on Wed night). Winds increasing (strong winds from the WSW on Mon afternoon, stormy winds from the SW by Wed morning).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Thu morning. Temperatures will be below freezing (max -1°C on Sat night, min -16°C on Thu morning). Winds decreasing (gales from the NW on Thu afternoon, light winds from the NW by Sat 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	6° C	Dry	Calm (0 kph at 104).
Bend 34 km E 1164.6m alt. 2 hours ago	5° C	Dry	Calm (2 kph at 326).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	1° C	Light snow.	Light winds from the NNE (15 kph at 20).	2 km Low: broken Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 43 minutes ago	2° C	-	Calm (3 kph at 135).
Bend 37 km SSE 1297m alt. 33 minutes ago	1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (2 kph at 333).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	2° C	-	Calm (0 kph at 75).
Rainbow wx 41 km WSW 410m alt. 34 minutes ago	7° C	Dry	Calm (2 kph at 109).
Cloverdale wx 42 km NE 947m alt. 41 minutes ago	7° C	Dry	Calm (0 kph at 68).
La Pine 43 km SSE 1298m alt. 41 minutes ago	1° C	-	Calm (2 kph at 19).

* 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.