– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 pm Sun 18 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Sun 18 Oct Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 7°C on Sun afternoon, min 0°C on Mon night). Winds decreasing (strong winds from the SW on Sun night, light winds from the S by Mon afternoon).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 7°C on Sat morning, min -1°C on Thu night). Winds increasing (calm on Wed night, strong winds from the NW by Thu night).
	Sun 18		Monday 19			Tuesday 20			Wednesday 21			Thursday 22			Friday 23
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	cloudy	cloudy	light snow	clear	some clouds	some clouds	cloudy	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	clear
Cloud base (m)		5300	1850	2450	4700	7650	7050	6500	5600	3400	3250	3250	3950	1800			8650
km/h	SSW	SW	SSW	S	SSE	SSE	S	SE	ESE	WNW	NW	NW	NW	NW	NW	NW	NNW
See all weather maps
cm	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	7	5	2	2	1	3	5	5	6	6	4	2	3	2	2	3	4
min °C	7	3	1	1	0	1	5	3	4	6	2	1	2	-1	-1	3	2
chill °C	4	-3	-5	-2	-6	-4	1	-1	2	6	-1	-4	-4	-9	-8	-2	-2

Freezing level m	3550	3350	2700	2600	2750	3050	3150	3350	3350	3150	3050	2850	2900	3250	2950	2950	3500

	—	—	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: A dusting of new snow. Freeze-thaw conditions (max 7°C on Sun afternoon, min 0°C on Mon night). Winds decreasing (strong winds from the SW on Sun night, light winds from the S by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 7°C on Sat morning, min -1°C on Thu night). Winds increasing (calm on Wed night, strong winds from the NW by Thu night).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 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. 36 minutes ago	14°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 29 minutes ago	14°C	Dry	Calm (2 kph at 41).
Bend 34 km E 1164.6m alt. 44 minutes ago	15°C	Dry	Calm (0 kph at 54).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	16°C	Clear	Light winds from the N (15 kph at 0).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	11°C	Dry	Calm (0 kph at 139).
Bend 37 km SSE 1297m alt. 1 hour ago	16°C	Dry	Calm (3 kph at 0).
Bend 37 km ESE 1158m alt. 45 minutes ago	14°C	Dry	Calm (0 kph at 318).
Rainbow wx 41 km WSW 410m alt. 51 minutes ago	12°C	Dry	Light winds from the S (16 kph at 182).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	15°C	Dry	Calm (0 kph at 47).
La Pine 43 km SSE 1298m alt. 36 minutes ago	16°C	Dry	Calm (2 kph at 347).

* 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.