– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 am Sun 11 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Sun 11 Oct Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 5°C on Tue afternoon, min -7°C on Sun morning). Winds decreasing (strong winds from the NNE on Sun night, light winds from the NNW by Mon afternoon).									Days 4–6 Weather Summary Mostly dry. Very mild (max 13°C on Fri afternoon, min 4°C on Wed morning). Winds increasing (calm on Thu night, fresh winds from the WSW by Fri night).
	Sunday 11			Monday 12			Tuesday 13			Wednesday 14			Thursday 15			Friday 16
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	some clouds	clear	clear	clear	clear	clear	some clouds	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	1900	1950	1800	2050		9400	3050	2950	5900	6600	3300
km/h	NE	NNE	NNE	NNE	NNW	N	N	NNW	NW	N	NW	NNW	SE	SE	S	S	SW	WSW
See all weather maps
cm	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-5	-5	-2	0	1	4	5	3	6	7	6	9	11	9	12	13	10
min °C	-7	-6	-6	-5	0	0	1	5	3	4	7	6	6	10	8	9	12	9
chill °C	-16	-14	-16	-12	-3	-5	-4	2	0	1	6	4	6	9	8	9	11	5

Freezing level m	1550	1650	1300	2250	2500	3150	3100	3100	3300	3400	3300	3800	4050	4050	4400	4500	4250	4200

	7:16	—	—	7:16	—	—	7:18	—	—	7:20	—	—	7:20	—	—	7:22	—	—
	—	6:30	—	—	6:28	—	—	6:27	—	—	6:24	—	—	6:22	—	—	6:22	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 5°C on Tue afternoon, min -7°C on Sun morning). Winds decreasing (strong winds from the NNE on Sun night, light winds from the NNW by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 13°C on Fri afternoon, min 4°C on Wed morning). Winds increasing (calm on Thu night, fresh winds from the WSW by Fri 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. 2 hours ago	1°C	-	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 2 hours ago	2°C	-	Calm (5 kph at 42).
Bend 34 km E 1164.6m alt. 2 hours ago	3°C	Dry	Calm (0 kph at 59).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	1°C	Dry and cloudy.	Moderate winds from the NE (24 kph at 40).	14 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	-1°C	-	Calm (3 kph at 63).
Bend 37 km SSE 1297m alt. 1 hour ago	-6°C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	3°C	Dry	Calm (2 kph at 316).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	1°C	-	Calm (2 kph at 334).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	4°C	Dry	Light winds from the NE (10 kph at 45).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	-1°C	-	Calm (0 kph at 239).

* 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.