– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 pm Thu 29 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Thu 29 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. Temperatures will be well below freezing (max -6°C on Sun morning, min -10°C on Fri afternoon). Winds decreasing (near gales from the SW on Fri morning, calm by Sat night).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Mon afternoon, min -6°C on Sun afternoon). Wind will be generally light.
	Thu 29		Friday 30			Saturday 31			Sunday 1			Monday 2			Tuesday 3
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	cloudy	some clouds	some clouds	clear	cloudy	light snow	light snow	some clouds	clear	some clouds	cloudy	cloudy	cloudy	cloudy	cloudy	cloudy
Cloud base (m)	2400	2800	2200	2000		2000	2250	1800	1850	1850	1800	6450	5450	6850	7100	7100	7050
km/h	SSW	SSW	SW	SSW	SSW	S	SSE	SW	NNW	WNW	WNW	SSW	SSW	SW	SSW	SSW	SSW
See all weather maps
cm	—	—	—	—	—	—	1	3	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-8	-7	-9	-9	-9	-8	-8	-8	-6	-4	2	3	5	5	4	4	4
min °C	-8	-8	-9	-10	-9	-8	-8	-8	-7	-6	-3	3	4	4	4	4	1
chill °C	-18	-19	-20	-21	-20	-17	-16	-17	-10	-11	-7	0	0	0	0	0	-4

Freezing level m	2100	1650	1950	1900	1350	2050	2000	1650	1750	2200	3200	3650	3750	3700	3700	3650	3400

	—	—	7:39	—	—	7:41	—	—	6:43	—	—	7:43	—	—	7:45	—	—
	6:00	—	—	6:00	—	—	5:58	—	—	4:57	—	—	5:55	—	—	5:53	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Temperatures will be well below freezing (max -6°C on Sun morning, min -10°C on Fri afternoon). Winds decreasing (near gales from the SW on Fri morning, calm by Sat night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Mon afternoon, min -6°C on Sun afternoon). Wind will be generally light.

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. 47 minutes ago	6°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 1 hour ago	7°C	Dry	Calm (0 kph at 52).
Bend 34 km E 1164.6m alt. 1 hour ago	7°C	Dry	Calm (0 kph at 53).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 3 hours ago	8°C	Clear	Light winds from the W (7 kph at 270).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 51 minutes ago	0°C	-	Calm (0 kph at 338).
Bend 37 km SSE 1297m alt. 1 hour ago	3°C	Dry	Calm (0 kph at 312).
Bend 37 km ESE 1158m alt. 56 minutes ago	7°C	Dry	Calm (0 kph at 330).
Camp Sherman 39 km NNE 920.5m alt. 55 minutes ago	5°C	Dry	Calm (0 kph at 48).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	4°C	Dry	Light winds from the SSW (6 kph at 205).
La Pine 43 km SSE 1298m alt. 1 hour ago	4°C	Dry	Calm (0 kph at 11).

* 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.