– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Tue 18 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Tue 18 Aug Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 12°C on Thu night, min 8°C on Fri morning). Mainly gales.										Days 5–7 Weather Summary Mostly dry. Very mild (max 11°C on Sun night, min 4°C on Sat morning). Winds decreasing (strong winds from the SSW on Fri night, calm by Sun afternoon).
		Wednesday 19			Thursday 20			Friday 21			Saturday 22			Sunday 23
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	clear	clear	clear	clear	some clouds	some clouds	light rain	rain shwrs	clear	clear	clear	clear	clear	clear
Cloud base (m)	9500	6500				9150	6550	4700	4150						9500
km/h	WSW	SW	SSE	SW	SSW	S	SSE	SSW	NNW	SSW	WSW	W	WSW	SW	SE	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	0.1	0.5	—	—	—	—	—	—
max °C	10	10	11	11	10	11	12	8	10	8	4	5	8	8	10	11
min °C	10	10	11	10	10	11	10	8	8	6	4	4	7	8	9	10
chill °C	7	7	10	7	7	9	5	2	8	1	-2	-1	2	4	7	7

Freezing level m	4650	4550	4650	4650	4600	4700	4750	4400	4350	4150	3850	4000	4350	4350	4500	4550

	—	6:13	—	—	6:16	—	—	6:16	—	—	6:18	—	—	6:18	—	—
	—	—	—	8:05	—	—	8:04	—	—	8:01	—	—	8:00	—	7:59	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 12°C on Thu night, min 8°C on Fri morning). Mainly gales.

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 11°C on Sun night, min 4°C on Sat morning). Winds decreasing (strong winds from the SSW on Fri night, calm by Sun 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. 48 minutes ago	10° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 1 hour ago	12° C	Dry	Calm (3 kph at 356).
Bend 34 km E 1164.6m alt. 40 minutes ago	18° C	Dry	Calm (0 kph at 174).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	10° C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 235).
Bend 37 km SSE 1297m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 48 minutes ago	14° C	Dry	Calm (0 kph at 333).
Deschutes River Woods wx 40 km ESE 1185m alt. 35 minutes ago	11° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 51 minutes ago	17° C	Dry	Calm (2 kph at 119).
Cloverdale wx 42 km NE 947m alt. 39 minutes ago	12° C	Dry	Calm (0 kph at 301).

* 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.