– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 pm Sat 10 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Sat 10 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 below freezing (max 0°C on Mon night, min -11°C on Sat night). Winds increasing (calm on Sat night, gales from the NNE by Sun night).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 7°C on Fri morning, min 0°C on Tue afternoon). Winds decreasing (fresh winds from the NW on Wed morning, calm by Wed night).
	Sat 10		Sunday 11			Monday 12			Tuesday 13			Wednesday 14			Thursday 15
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	snow shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	2400	1850	1850	1900	1850			9400	3050	3300		7100		9350		9550
km/h	SW	ENE	NE	NE	NNE	NNE	N	NNE	N	N	NW	NNW	NNE	N	SE	S	SSW
See all weather maps
cm	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-8	-10	-10	-8	-7	-5	-5	0	0	0	2	2	2	3	5	5	6
min °C	-9	-11	-10	-8	-8	-6	-5	-2	0	0	1	1	1	3	4	5	5
chill °C	-12	-21	-22	-19	-20	-15	-11	-8	-5	-4	-4	-5	-2	-1	1	1	2

Freezing level m	1950	1450	1500	1800	1400	2350	2600	3050	3250	3150	3350	3400	3350	3700	3950	4000	4000

	—	—	7:16	—	—	7:16	—	—	7:18	—	—	7:20	—	—	7:20	—	—
	6:31	—	—	6:30	—	—	6:28	—	—	6:27	—	—	6:24	—	—	6:22	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Temperatures will be below freezing (max 0°C on Mon night, min -11°C on Sat night). Winds increasing (calm on Sat night, gales from the NNE by Sun night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 7°C on Fri morning, min 0°C on Tue afternoon). Winds decreasing (fresh winds from the NW on Wed morning, calm by Wed night).

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. 56 minutes ago	7°C	Dry	Calm (2 kph at 265).
Bend 34 km E 1147m alt. 2 hours ago	8°C	Dry	Light winds from the N (6 kph at 11).
Bend 34 km E 1164.6m alt. 2 hours ago	11°C	Dry	Wind obs. (8 kph from 325 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	7°C	Dry and partly cloudy.	Light winds from the N (15 kph at 10).	16 km Low: scattered Mid: broken
Black Butte Ranch wx 36 km NW 1429m alt. 52 minutes ago	2°C	-	Calm (2 kph at 304).
Bend 37 km SSE 1297m alt. 23 minutes ago	5°C	Dry	Calm (5 kph at 241).
Bend 37 km ESE 1158m alt. 1 hour ago	8°C	Dry	Calm (2 kph at 325).
Deschutes River Woods wx 40 km ESE 1185m alt. 51 minutes ago	8°C	Dry	Calm (5 kph at 330).
Rainbow wx 41 km WSW 410m alt. 56 minutes ago	4°C	Dry	Light winds from the NW (8 kph at 317).
Cloverdale wx 42 km NE 947m alt. 20 minutes ago	10°C	Dry	Calm (0 kph at 230).

* 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.