– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Mon 31 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Mon 31 Aug 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 night. Freeze-thaw conditions (max 8°C on Mon afternoon, min -5°C on Wed night). Winds increasing (calm on Mon afternoon, stormy winds from the SW by Wed afternoon).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 3°C on Sat night, min -6°C on Fri morning). Winds decreasing (gales from the WSW on Thu morning, calm by Fri morning).
	Monday 31			Tuesday 1			Wednesday 2			Thursday 3			Friday 4			Saturday 5
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	some clouds	cloudy	light snow	heavy snow	snow shwrs	clear	snow shwrs	clear	snow shwrs	snow shwrs	clear	some clouds	clear
Cloud base (m)		5150	8150	8150	2500	1950	2100	1900	1800	1850	2700	2100		2600	3400	2800	3850
km/h	S	ENE	SE	S	SW	SW	SW	SW	W	WSW	WSW	WSW	SSE	NNW	SSW	S	S	SSW
See all weather maps
cm	—	—	—	—	—	—	—	4	24	1	—	1	—	1	2	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	6	8	7	3	2	2	-3	0	-3	-5	-5	-5	-6	-4	-4	-4	0	3
min °C	6	7	4	2	2	-3	-3	-2	-5	-5	-5	-5	-6	-5	-5	-5	-2	0
chill °C	2	5	1	-2	-2	-12	-12	-13	-17	-16	-14	-14	-6	-5	-9	-11	-6	-5

Freezing level m	4100	4250	3950	3500	3400	2850	2800	2900	2400	2450	2500	2100	2500	2500	2350	2650	3150	3550

	6:28	—	—	6:28	—	—	6:30	—	—	6:31	—	—	6:33	—	—	6:33	—	—
	—	7:45	—	—	7:43	—	—	7:40	—	—	7:39	—	—	7:37	—	—	7:36	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 8°C on Mon afternoon, min -5°C on Wed night). Winds increasing (calm on Mon afternoon, stormy winds from the SW by Wed afternoon).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 3°C on Sat night, min -6°C on Fri morning). Winds decreasing (gales from the WSW on Thu morning, calm by Fri morning).

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 0).
Bend 34 km E 1147m alt. 1 hour ago	7°C	Dry	Calm (2 kph at 293).
Bend 34 km E 1164.6m alt. 50 minutes ago	11°C	Dry	Calm (0 kph at 228).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	2°C	Clear	Light winds from the SSW (9 kph at 200).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	9°C	Dry	Calm (3 kph at 125).
Bend 37 km SSE 1297m alt. 43 minutes ago	4°C	Dry	Calm (0 kph at 0).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	6°C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 48 minutes ago	18°C	Dry	Light winds from the ESE (18 kph at 103).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	3°C	Dry	Calm (0 kph at 246).
La Pine 43 km SSE 1298m alt. 49 minutes ago	1°C	-	Calm (0 kph at 53).

* 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.