– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 pm Sun 11 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Sun 11 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 2°C on Tue night, min -11°C on Sun afternoon). Winds decreasing (near gales from the NE on Sun night, light winds from the N by Mon afternoon).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 8°C on Thu night, min 0°C on Wed afternoon). Winds increasing (calm on Wed afternoon, near gales from the WSW by Sat morning).
	Sun 11		Monday 12			Tuesday 13			Wednesday 14			Thursday 15			Friday 16
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	clear	clear	clear	clear	clear	clear	some clouds	clear	some clouds	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	2000	2100	2150	3000	9200	3000	2850		5600	3350					9650	9650
km/h	NNE	NNE	NNE	N	N	N	NNW	NW	NNW	SW	SSE	S	SSW	SW	WSW	SSW	WSW
See all weather maps
cm	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-10	-9	-8	-6	0	0	0	2	2	1	5	7	7	8	8	7	7
min °C	-11	-9	-9	-6	-3	0	0	0	2	0	3	5	7	8	8	7	5
chill °C	-22	-21	-19	-12	-10	-7	-5	-5	-4	-2	3	2	4	6	5	4	-2

Freezing level m	1650	1300	2150	2400	3100	3050	3100	3400	3450	3350	3900	4200	4200	4350	4300	4200	4100

	—	—	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 2°C on Tue night, min -11°C on Sun afternoon). Winds decreasing (near gales from the NE on Sun night, light winds from the N by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 8°C on Thu night, min 0°C on Wed afternoon). Winds increasing (calm on Wed afternoon, near gales from the WSW by Sat 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	4°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 54 minutes ago	6°C	Dry	Calm (3 kph at 358).
Bend 34 km E 1164.6m alt. 1 hour ago	5°C	Dry	Calm (3 kph at 325).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	3°C	Dry and cloudy.	Light winds from the NNE (13 kph at 20).	16 km Low: few Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	0°C	-	Calm (0 kph at 37).
Bend 37 km SSE 1297m alt. 2 hours ago	3°C	Dry	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	5°C	Dry	Calm (0 kph at 332).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	3°C	Dry	Calm (0 kph at 332).
Rainbow wx 41 km WSW 410m alt. 59 minutes ago	3°C	Dry	Light winds from the ENE (10 kph at 61).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	7°C	Dry	Calm (0 kph at 57).

* 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.