– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 am Sun 18 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Sun 18 Oct Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 3°C on Sun morning, min -4°C on Mon afternoon). Winds decreasing (near gales from the SW on Sun night, light winds from the SSE by Tue night).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 2°C on Wed morning, min -1°C on Thu afternoon). Winds increasing (calm on Wed night, gales from the NW by Fri morning).
	Sunday 18			Monday 19			Tuesday 20			Wednesday 21			Thursday 22			Friday 23
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	cloudy	cloudy	some clouds	cloudy	cloudy	some clouds	clear	some clouds	clear	some clouds	some clouds	clear	clear	clear	clear
Cloud base (m)			5600	2200	2700	4200	5200	6400	6050	6350	3600	3500	3450	8650	9150		9450
km/h	SW	SSW	SW	SW	S	SSE	SSE	S	SSE	SSE	SSE	SE	N	NNW	NNW	NNW	NNW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	3	2	2	-1	-4	-1	0	0	2	2	1	1	0	-1	1	0	0	0
min °C	3	2	0	-2	-4	-2	-1	0	1	2	1	0	0	-1	0	0	0	0
chill °C	-2	-3	-8	-11	-11	-9	-8	-7	-4	0	-2	0	-2	-6	-6	-9	-8	-7

Freezing level m	3650	3500	3350	2800	2650	2850	3100	3150	3350	3400	3350	3250	3100	3050	3250	3100	3100	3200

	7:24	—	—	7:26	—	—	7:26	—	—	7:28	—	—	7:30	—	—	7:31	—	—
	—	6:17	—	—	6:16	—	—	6:15	—	—	6:13	—	—	6:12	—	—	6:09	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 3°C on Sun morning, min -4°C on Mon afternoon). Winds decreasing (near gales from the SW on Sun night, light winds from the SSE by Tue night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 2°C on Wed morning, min -1°C on Thu afternoon). Winds increasing (calm on Wed night, gales from the NW 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	15°C	Dry	Calm (2 kph at 158).
Bend 34 km E 1147m alt. 50 minutes ago	17°C	Dry	Calm (5 kph at 42).
Bend 34 km E 1164.6m alt. 49 minutes ago	16°C	Dry	Calm (3 kph at 51).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	15°C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 37 minutes ago	11°C	Dry	Light winds from the SE (6 kph at 124).
Bend 37 km SSE 1297m alt. 50 minutes ago	17°C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	17°C	Dry	Calm (0 kph at 17).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	14°C	Dry	Calm (5 kph at 250).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	16°C	Dry	Calm (2 kph at 9).
La Pine 43 km SSE 1298m alt. 2 hours ago	17°C	Dry	Calm (3 kph at 338).

* 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.