– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sat 15 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sat 15 Aug Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Some drizzle, heaviest during Sat night. Mild temperatures (max 9°C on Mon afternoon, min 5°C on Sat afternoon). Winds decreasing (fresh winds from the SSW on Sat night, calm by Mon afternoon).											Days 5–7 Weather Summary Mostly dry. Very mild (max 13°C on Thu night, min 6°C on Tue afternoon). Winds decreasing (strong winds from the WSW on Wed night, light winds from the ESE by Thu afternoon).
	Sat 15		Sunday 16			Monday 17			Tuesday 18			Wednesday 19			Thursday 20
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	risk tstorm	rain shwrs	clear	some clouds	some clouds	some clouds	cloudy	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	3300	6950	8800	3950	6800	6750	6300	6250
km/h	SSW	SW	SSW	S	SSW	S	ENE	W	WSW	WSW	W	WSW	SSW	WSW	SSW	ESE	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.7	0.6	—	—	—	—	—	0.2	—	—	—	—	—	—	—	—	—
max °C	5	6	6	7	8	8	9	8	7	7	8	8	9	11	10	12	13
min °C	5	6	6	7	8	8	8	7	6	6	8	8	8	10	10	12	12
chill °C	5	2	2	6	6	5	8	3	2	2	3	5	6	6	6	11	11

Freezing level m	3950	4000	4000	4200	4300	4300	4300	4200	4100	4200	4400	4500	4750	4850	4750	4900	4950

	—	—	6:11	—	—	6:11	—	—	6:13	—	—	6:13	—	—	6:16	—	—
	—	8:12	—	—	8:09	—	—	8:07	—	—	8:07	—	—	8:05	—	—	8:04

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Some drizzle, heaviest during Sat night. Mild temperatures (max 9°C on Mon afternoon, min 5°C on Sat afternoon). Winds decreasing (fresh winds from the SSW on Sat night, calm by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 13°C on Thu night, min 6°C on Tue afternoon). Winds decreasing (strong winds from the WSW on Wed night, light winds from the ESE by Thu afternoon).

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	23° C	Dry	Calm (3 kph at 329).
Bend 34 km E 1147m alt. 1 hour ago	24° C	Dry	Light winds from the N (6 kph at 9).
Bend 34 km E 1164.6m alt. 2 hours ago	25° C	Dry	Light winds from the NNW (8 kph at 342).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	23° C	Dry and cloudy.	Wind obs. (15 kph from 360 degs) was rejected.	14 km Low: broken Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	16° C	Dry	Wind obs. (6 kph from 316 degs) was rejected.
Bend 37 km SSE 1297m alt. 42 minutes ago	21° C	Dry	Light winds from the NW (8 kph at 315).
Bend 37 km ESE 1158m alt. 1 hour ago	24° C	Dry	Calm (0 kph at 317).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	24° C	Dry	Calm (3 kph at 319).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	17° C	Dry	Wind obs. (21 kph from 269 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 47 minutes ago	26° C	Dry	Calm (2 kph at 223).

* 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.