– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Thu 26 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Thu 26 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 2°C on Fri morning, min -6°C on Sun morning). Winds increasing (light winds from the SW on Thu night, stormy winds from the WSW by Sun afternoon).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be below freezing (max -5°C on Tue afternoon, min -12°C on Mon morning). Winds decreasing (stormy winds from the WSW on Sun night, light winds from the WNW by Mon afternoon).
		Friday 27			Saturday 28			Sunday 29			Monday 30			Tuesday 31			Wednesday 1
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	clear	clear	some clouds	cloudy	light snow	snow shwrs	clear	some clouds	some clouds	some clouds	some clouds	light snow	heavy snow	heavy snow
km/h	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WNW	WNW	W	WSW	SSW	WSW	SW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	5	1	—	—	—	—	—	2	16	26
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	0	2	2	1	-2	-4	-4	-5	-5	-6	-12	-9	-7	-6	-5	-6	-6	-10	-14
min °C	-3	1	1	-1	-3	-4	-5	-6	-6	-11	-12	-10	-8	-6	-6	-7	-7	-12	-15
chill °C	-7	-4	-5	-10	-13	-14	-17	-18	-19	-26	-26	-19	-17	-15	-14	-18	-20	-27	-32

Freezing level m	1550	3350	3350	3250	2700	2600	2000	2300	2150	1300	1150	1650	1100	2350	2500	1850	2100	1450	1100
Cloud base (m)		6850			6450	2800	2550	2350	1950	1800		2350	6850	5350	5250	3050	1900	1800	1800

	—	6:58	—	—	6:56	—	—	6:54	—	—	6:52	—	—	6:50	—	—	6:48	—	—
	—	—	7:27	—	—	7:28	—	—	7:30	—	—	7:30	—	—	7:31	—	—	7:32	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 2°C on Fri morning, min -6°C on Sun morning). Winds increasing (light winds from the SW on Thu night, stormy winds from the WSW by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be below freezing (max -5°C on Tue afternoon, min -12°C on Mon morning). Winds decreasing (stormy winds from the WSW on Sun night, light winds from the WNW by Mon 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	-4° C	-	Calm (0 kph at 0).
Bend 34 km E 1164.6m alt. 25 minutes ago	2° C	-	Calm (3 kph at 51).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-4° C	Clear	Light winds from the N (9 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 47 minutes ago	-2° C	-	Calm (0 kph at 194).
Bend 37 km SSE 1297m alt. 1 hour ago	-5° C	-	Calm (0 kph at 338).
Bend 37 km ESE 1158m alt. 1 hour ago	-2° C	-	Calm (0 kph at 327).
Bend wx 39 km E 1118m alt. 56 minutes ago	-4° C	-	Calm (0 kph at 203).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	-5° C	-	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 31 minutes ago	4° C	Dry	Fresh winds from the E (31 kph at 90).
Cloverdale wx 42 km NE 947m alt. 48 minutes ago	-6° C	-	Calm (0 kph at 244).

* 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.