– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Sun 30 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sun 30 Aug Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Some drizzle, heaviest during Tue afternoon. Freeze-thaw conditions (max 8°C on Mon afternoon, min -1°C on Tue night). Winds increasing (calm on Sun afternoon, strong winds from the SW by Tue night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Wed night. Temperatures will be below freezing (max 0°C on Fri night, min -3°C on Wed morning). Mainly severe gales.
	Sunday 30			Monday 31			Tuesday 1			Wednesday 2			Thursday 3			Friday 4
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	some clouds	rain shwrs	rain shwrs	some clouds	cloudy	mod. snow	mod. snow	some clouds	snow shwrs	snow shwrs	light snow	cloudy
Cloud base (m)		9200	9200			8450	6000	2200	1800	2600	2550	1800	1800	2200	2100	2000	2300	3000
km/h	WNW	SSE	SSW	S	ENE	ESE	S	S	SSW	SW	SSW	SW	SW	SSW	S	S	S	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	9	6	—	1	2	1	—
mm	—	—	—	—	—	—	—	0.8	0.2	—	—	—	—	—	—	—	—	—
max °C	4	5	7	7	8	7	5	3	3	-3	-2	-2	-3	-2	-1	-2	-1	0
min °C	4	4	6	7	8	6	3	3	-1	-3	-3	-3	-3	-3	-2	-2	-2	-1
chill °C	0	4	3	3	6	3	0	0	-9	-12	-11	-14	-11	-13	-10	-10	-9	-8

Freezing level m	3900	4000	4200	4150	4350	4050	3650	3650	3250	2800	2850	2650	2550	2850	3000	2850	3000	3000

	6:26	—	—	6:28	—	—	6:28	—	—	6:30	—	—	6:31	—	—	6:33	—	—
	—	7:46	—	—	7:45	—	—	7:43	—	—	7:40	—	—	7:39	—	—	7:37	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Some drizzle, heaviest during Tue afternoon. Freeze-thaw conditions (max 8°C on Mon afternoon, min -1°C on Tue night). Winds increasing (calm on Sun afternoon, strong winds from the SW by Tue night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Wed night. Temperatures will be below freezing (max 0°C on Fri night, min -3°C on Wed morning). Mainly severe gales.

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	0°C	-	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 42 minutes ago	3°C	Dry	Calm (2 kph at 298).
Bend 34 km E 1164.6m alt. 2 hours ago	6°C	Dry	Light winds from the SSW (10 kph at 194).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	-2°C	Clear	Light winds from the SSW (6 kph at 200).	13 km
Bend 37 km SSE 1297m alt. 37 minutes ago	-4°C	-	Calm (0 kph at 0).
Deschutes River Woods wx 40 km ESE 1185m alt. 37 minutes ago	2°C	-	Calm (0 kph at —).
Bend 40 km E 1102m alt. 4 hours ago		-	Calm (0 kph at 0).
Rainbow wx 41 km WSW 410m alt. 38 minutes ago	8°C	Dry	Light winds from the ESE (14 kph at 109).
Cloverdale wx 42 km NE 947m alt. 25 minutes ago	-1°C	-	Calm (0 kph at 260).
La Pine 43 km SSE 1298m alt. 1 hour ago	-3°C	-	Calm (0 kph at 279).

* 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.