– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 pm Fri 25 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Fri 25 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 6°C on Mon morning, min -1°C on Fri afternoon). Winds decreasing (strong winds from the W on Fri afternoon, calm by Sat morning).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 9°C on Tue afternoon, min -1°C on Thu morning). Winds increasing (light winds from the WNW on Wed afternoon, fresh winds from the WNW by Thu morning).
	Fri 25		Saturday 26			Sunday 27			Monday 28			Tuesday 29			Wednesday 30
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	clear	cloudy	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	rain shwrs	clear	some clouds
Cloud base (m)	1850	1800	7400	6650	6250		3400			9250		7150			8350	3100	7950
km/h	W	NW	WSW	SSE	SSW	SSW	NW	WNW	WNW	WNW	NW	W	W	W	WNW	WSW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.2	—	—
max °C	-1	-1	3	4	3	5	5	4	6	7	6	8	9	6	6	7	4
min °C	-1	-1	0	4	3	3	5	3	3	7	5	7	8	4	4	5	1
chill °C	-9	-7	-2	3	-1	1	3	0	0	5	2	4	4	-1	0	3	-6

Freezing level m	2350	2350	2850	2950	3150	3100	3050	3250	3400	3550	3900	3950	3950	3650	3600	3400	3200

	—	—	6:58	—	—	6:58	—	—	7:00	—	—	7:01	—	—	7:03	—	—
	6:59	—	—	6:57	—	—	6:54	—	—	6:53	—	—	6:52	—	—	6:50	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 6°C on Mon morning, min -1°C on Fri afternoon). Winds decreasing (strong winds from the W on Fri afternoon, calm by Sat morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 9°C on Tue afternoon, min -1°C on Thu morning). Winds increasing (light winds from the WNW on Wed afternoon, fresh winds from the WNW by Thu morning).

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. 1 hour ago	9°C	Dry	Calm (3 kph at 264).
Bend 34 km E 1147m alt. 53 minutes ago	14°C	Dry	Light winds from the WSW (6 kph at 251).
Bend 34 km E 1164.6m alt. 34 minutes ago	14°C	Dry	Light winds from the W (6 kph at 268).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	11°C	Dry and partly cloudy.	Light winds from the SW (19 kph at 230).	14 km Low: scattered Mid: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 58 minutes ago	4°C	Dry	Calm (3 kph at 294).
Bend 37 km SSE 1297m alt. 23 minutes ago	9°C	Dry	Light winds from the W (10 kph at 272).
Bend 37 km ESE 1158m alt. 1 hour ago	14°C	Dry	Calm (0 kph at 179).
Deschutes River Woods wx 40 km ESE 1185m alt. 53 minutes ago	12°C	Dry	Light winds from the WNW (6 kph at 288).
Rainbow wx 41 km WSW 410m alt. 30 minutes ago	6°C	Dry	Moderate winds from the W (24 kph at 275).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	14°C	Dry	Wind obs. (6 kph from 177 degs) was rejected.

* 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.