– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Mon 10 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Mon 10 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 10°C on Mon afternoon, min 6°C on Wed night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 2mm), mostly falling on Sat afternoon. Mild temperatures (max 8°C on Thu afternoon, min 5°C on Thu morning). Winds increasing (calm on Thu night, strong winds from the WSW by Sat night).
	Monday 10			Tuesday 11			Wednesday 12			Thursday 13			Friday 14			Saturday 15
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	light rain	rain shwrs	rain shwrs	risk tstorm	rain shwrs
Cloud base (m)				8950							4500			3350	4700		5050
km/h	W	SSW	W	SW	SW	W	WSW	SW	W	SW	NNW	SSW	SSW	W	S	SSW	SSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	0.1	0.4	0.2	1.3	0.2
max °C	9	10	10	10	10	9	7	8	7	6	8	6	6	8	7	6	7	7
min °C	8	9	10	9	9	8	7	7	6	5	7	6	5	6	6	5	6	7
chill °C	5	8	8	6	7	5	4	4	4	3	6	3	1	4	4	2	4	2

Freezing level m	4450	4650	4650	4450	4500	4350	4200	4400	4150	4000	4300	4100	4000	4100	4050	3950	4150	4150

	6:03	—	—	6:05	—	—	6:05	—	—	6:07	—	—	6:09	—	—	6:09	—	—
	—	—	8:19	—	—	8:17	—	—	8:15	—	—	8:15	—	—	8:13	—	—	8:12

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 10°C on Mon afternoon, min 6°C on Wed night). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

Light rain (total 2mm), mostly falling on Sat afternoon. Mild temperatures (max 8°C on Thu afternoon, min 5°C on Thu morning). Winds increasing (calm on Thu night, strong winds from the WSW by Sat 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. 1 hour ago	23° C	Dry	Calm (2 kph at 18).
Bend 34 km E 1147m alt. 58 minutes ago	21° C	Dry	Calm (3 kph at 203).
Bend 34 km E 1164.6m alt. 2 hours ago	21° C	Dry	Calm (3 kph at 190).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	16° C	Clear	Wind obs. (9 kph from 170 degs) was rejected.	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	16° C	Dry	Light winds from the W (8 kph at 271).
Bend 37 km SSE 1297m alt. 45 minutes ago	20° C	Dry	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	22° C	Dry	Calm (0 kph at 200).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	21° C	Dry	Calm (2 kph at 240).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	19° C	Dry	Calm (2 kph at 44).
Cloverdale wx 42 km NE 947m alt. 40 minutes ago	26° C	Dry	Calm (2 kph at 227).

* 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.