– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Mon 17 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Mon 17 Aug Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 11°C on Tue night, min 7°C on Mon morning). Winds increasing (calm on Mon afternoon, strong winds from the WSW by Tue night).									Days 4–6 Weather Summary Some drizzle, heaviest during Fri night. Very mild (max 13°C on Thu night, min 6°C on Sat afternoon). Winds decreasing (fresh winds from the SW on Thu morning, light winds from the S by Fri morning).
	Monday 17			Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Saturday 22
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	cloudy	light rain	rain shwrs	clear	clear	clear
Cloud base (m)	6550	5850		9650		9500	6500	6050	9400	7350	6500	6300	5350	5300	5000
km/h	SSW	SSW	W	WSW	WSW	WSW	SSW	SW	WSW	SSW	SSE	SSE	S	S	SSE	SW	WSW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	0.3	—	—	—	—	—	—	—	—	—	—	0.3	1.1	—	—	—
max °C	8	9	9	8	9	11	10	10	11	10	12	13	11	12	11	7	7	9
min °C	7	8	9	8	8	10	10	10	10	10	12	12	11	12	8	7	6	8
chill °C	4	8	7	4	5	6	7	9	7	6	11	11	10	11	5	3	1	5

Freezing level m	4250	4350	4400	4400	4500	4750	4600	4600	4750	4650	4850	4900	4700	4700	4500	4150	4250	4400

	6:11	—	—	6:13	—	—	6:13	—	—	6:16	—	—	6:16	—	—	6:18	—	—
	—	—	8:07	—	—	8:07	—	—	8:05	—	—	8:04	—	—	8:01	—	—	8:00

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 11°C on Tue night, min 7°C on Mon morning). Winds increasing (calm on Mon afternoon, strong winds from the WSW by Tue night).

South Sister Volcano Weather (Days 3-6):

Some drizzle, heaviest during Fri night. Very mild (max 13°C on Thu night, min 6°C on Sat afternoon). Winds decreasing (fresh winds from the SW on Thu morning, light winds from the S by Fri 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. 44 minutes ago	24° C	Dry	Calm (2 kph at 124).
Bend 34 km E 1147m alt. 1 hour ago	23° C	Dry	Calm (2 kph at 282).
Bend 34 km E 1164.6m alt. 1 hour ago	24° C	Dry	Calm (2 kph at 77).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	16° C	Clear	Wind obs. (7 kph from 180 degs) was rejected.	13 km
Black Butte Ranch wx 36 km NW 1429m alt. 59 minutes ago	19° C	Dry	Calm (2 kph at 89).
Bend 37 km SSE 1297m alt. 1 hour ago	22° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 43 minutes ago	24° C	Dry	Calm (0 kph at 249).
Deschutes River Woods wx 40 km ESE 1185m alt. 30 minutes ago	23° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 43 minutes ago	21° C	Dry	Calm (2 kph at 318).
Cloverdale wx 42 km NE 947m alt. 47 minutes ago	25° C	Dry	Calm (0 kph at 105).

* 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.