– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Wed 19 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Wed 19 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 13°C on Fri afternoon, min 4°C on Sat morning). Mainly gales.										Days 5–7 Weather Summary Mostly dry. Mild temperatures (max 9°C on Sun night, min 4°C on Sat night). Winds decreasing (near gales from the WSW on Sat night, calm by Sun afternoon).
		Thursday 20			Friday 21			Saturday 22			Sunday 23			Monday 24
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	clear	some clouds	clear	clear
Cloud base (m)			9700	7350	4800	5000	4550								5750	9200
km/h	SW	SSW	ENE	S	SSE	E	SSE	SW	SW	W	WNW	SSE	SW	SW	NNW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	11	10	12	12	11	13	10	6	4	5	5	7	9	9	9	9
min °C	11	10	12	12	10	12	8	4	4	4	5	6	8	9	9	9
chill °C	9	8	12	10	6	10	3	-1	-1	-2	0	6	6	7	7	8

Freezing level m	4700	4650	4800	4800	4700	4750	4450	3750	3800	3900	3900	4200	4350	4350	4450	4450

	—	6:16	—	—	6:16	—	—	6:18	—	—	6:18	—	—	6:20	—	—
	—	—	—	8:04	—	—	8:01	—	—	8:00	—	7:59	—	—	7:57	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 13°C on Fri afternoon, min 4°C on Sat morning). Mainly gales.

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Sun night, min 4°C on Sat night). Winds decreasing (near gales from the WSW on Sat 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. 2 hours ago	13° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 1 hour ago	14° C	Dry	Calm (0 kph at 318).
Bend 34 km E 1164.6m alt. 1 hour ago	19° C	Dry	Calm (0 kph at 119).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	9° C	Dry and partly cloudy.	Light winds from the SSW (6 kph at 210).	16 km Low: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 53 minutes ago	8° C	Dry	Calm (0 kph at 298).
Bend 37 km SSE 1297m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	16° C	Dry	Calm (0 kph at 311).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	13° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	19° C	Dry	Light winds from the ESE (6 kph at 102).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 57).

* 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.