– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 pm Fri 11 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Fri 11 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 4°C on Fri night, min -7°C on Sat night). Winds decreasing (near gales from the SW on Sat morning, calm by Mon afternoon).										Days 5–7 Weather Summary Mostly dry. Mild temperatures (max 8°C on Thu morning, min 1°C on Tue afternoon). Winds increasing (calm on Tue afternoon, fresh winds from the NE by Wed morning).
		Saturday 12			Sunday 13			Monday 14			Tuesday 15			Wednesday 16
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	light snow	mod. snow	cloudy	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)			2650	1850	1800	1900										9350
km/h	SW	SSW	SSW	WSW	WNW	NNW	NW	NW	SW	WNW	WNW	NW	NNE	NE	N	NE
See all weather maps
cm	—	—	1	7	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	2	0	-5	-5	-2	1	2	3	4	3	2	4	5	5	7
min °C	3	1	-2	-7	-7	-4	-1	2	2	4	3	1	2	4	5	6
chill °C	-4	-6	-11	-18	-17	-13	-8	-3	2	0	-1	1	0	-1	2	3

Freezing level m	3750	3350	2900	2000	2250	2750	3200	3550	3650	3800	3600	3350	3600	3900	4050	4300

	—	6:41	—	—	6:43	—	—	6:43	—	—	6:45	—	—	6:46	—	—
	—	—	7:22	—	—	7:21	—	—	7:19	—	—	7:17	—	—	7:15	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 4°C on Fri night, min -7°C on Sat night). Winds decreasing (near gales from the SW on Sat morning, calm by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 8°C on Thu morning, min 1°C on Tue afternoon). Winds increasing (calm on Tue afternoon, fresh winds from the NE by Wed 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	9°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 1 hour ago	10°C	Dry	Calm (0 kph at 226).
Bend 34 km E 1164.6m alt. 2 hours ago	13°C	Dry	Calm (0 kph at 109).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 3 hours ago	9°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	4°C	Dry	Calm (0 kph at 316).
Bend 37 km SSE 1297m alt. 2 hours ago	7°C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	11°C	Dry	Calm (0 kph at 320).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	9°C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	10°C	Dry	Calm (0 kph at 232).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	11°C	Dry	Calm (0 kph at 9).

* 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.